diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2015-10-01 16:14:24 +0200 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2015-10-01 16:14:24 +0200 |
commit | bebcb8dab6bac53b6a61a896db03781d1992cadb (patch) | |
tree | 4793b0c2e913db8cf573ee52d568471603273af6 /drivers | |
parent | 26c21dd9885a2d8a4f4d539917c4877ffd399286 (diff) | |
parent | f1e0bb0ad473a32d1b7e6d285ae9f7e47710bb5e (diff) | |
download | linux-stable-bebcb8dab6bac53b6a61a896db03781d1992cadb.tar.gz linux-stable-bebcb8dab6bac53b6a61a896db03781d1992cadb.tar.bz2 linux-stable-bebcb8dab6bac53b6a61a896db03781d1992cadb.zip |
Merge branch 'irq/for-arm' into irq/core
Bring in the change which we offered arm[64] folks to pull into their
trees.
Diffstat (limited to 'drivers')
213 files changed, 2792 insertions, 1424 deletions
diff --git a/drivers/atm/he.c b/drivers/atm/he.c index a8da3a50e374..0f5cb37636bc 100644 --- a/drivers/atm/he.c +++ b/drivers/atm/he.c @@ -1578,9 +1578,7 @@ he_stop(struct he_dev *he_dev) kfree(he_dev->rbpl_virt); kfree(he_dev->rbpl_table); - - if (he_dev->rbpl_pool) - dma_pool_destroy(he_dev->rbpl_pool); + dma_pool_destroy(he_dev->rbpl_pool); if (he_dev->rbrq_base) dma_free_coherent(&he_dev->pci_dev->dev, CONFIG_RBRQ_SIZE * sizeof(struct he_rbrq), @@ -1594,8 +1592,7 @@ he_stop(struct he_dev *he_dev) dma_free_coherent(&he_dev->pci_dev->dev, CONFIG_TBRQ_SIZE * sizeof(struct he_tbrq), he_dev->tpdrq_base, he_dev->tpdrq_phys); - if (he_dev->tpd_pool) - dma_pool_destroy(he_dev->tpd_pool); + dma_pool_destroy(he_dev->tpd_pool); if (he_dev->pci_dev) { pci_read_config_word(he_dev->pci_dev, PCI_COMMAND, &command); diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c index 74e18b0a6d89..3d7fb6516f74 100644 --- a/drivers/atm/solos-pci.c +++ b/drivers/atm/solos-pci.c @@ -805,7 +805,12 @@ static void solos_bh(unsigned long card_arg) continue; } - skb = alloc_skb(size + 1, GFP_ATOMIC); + /* Use netdev_alloc_skb() because it adds NET_SKB_PAD of + * headroom, and ensures we can route packets back out an + * Ethernet interface (for example) without having to + * reallocate. Adding NET_IP_ALIGN also ensures that both + * PPPoATM and PPPoEoBR2684 packets end up aligned. */ + skb = netdev_alloc_skb_ip_align(NULL, size + 1); if (!skb) { if (net_ratelimit()) dev_warn(&card->dev->dev, "Failed to allocate sk_buff for RX\n"); @@ -869,7 +874,10 @@ static void solos_bh(unsigned long card_arg) /* Allocate RX skbs for any ports which need them */ if (card->using_dma && card->atmdev[port] && !card->rx_skb[port]) { - struct sk_buff *skb = alloc_skb(RX_DMA_SIZE, GFP_ATOMIC); + /* Unlike the MMIO case (qv) we can't add NET_IP_ALIGN + * here; the FPGA can only DMA to addresses which are + * aligned to 4 bytes. */ + struct sk_buff *skb = dev_alloc_skb(RX_DMA_SIZE); if (skb) { SKB_CB(skb)->dma_addr = dma_map_single(&card->dev->dev, skb->data, diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index 764280a91776..e9fd32e91668 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -148,7 +148,11 @@ static void cache_shared_cpu_map_remove(unsigned int cpu) if (sibling == cpu) /* skip itself */ continue; + sib_cpu_ci = get_cpu_cacheinfo(sibling); + if (!sib_cpu_ci->info_list) + continue; + sib_leaf = sib_cpu_ci->info_list + index; cpumask_clear_cpu(cpu, &sib_leaf->shared_cpu_map); cpumask_clear_cpu(sibling, &this_leaf->shared_cpu_map); @@ -159,6 +163,9 @@ static void cache_shared_cpu_map_remove(unsigned int cpu) static void free_cache_attributes(unsigned int cpu) { + if (!per_cpu_cacheinfo(cpu)) + return; + cache_shared_cpu_map_remove(cpu); kfree(per_cpu_cacheinfo(cpu)); @@ -514,8 +521,7 @@ static int cacheinfo_cpu_callback(struct notifier_block *nfb, break; case CPU_DEAD: cache_remove_dev(cpu); - if (per_cpu_cacheinfo(cpu)) - free_cache_attributes(cpu); + free_cache_attributes(cpu); break; } return notifier_from_errno(rc); diff --git a/drivers/char/hw_random/xgene-rng.c b/drivers/char/hw_random/xgene-rng.c index c37cf754a985..3c77645405e5 100644 --- a/drivers/char/hw_random/xgene-rng.c +++ b/drivers/char/hw_random/xgene-rng.c @@ -344,11 +344,12 @@ static int xgene_rng_probe(struct platform_device *pdev) if (IS_ERR(ctx->csr_base)) return PTR_ERR(ctx->csr_base); - ctx->irq = platform_get_irq(pdev, 0); - if (ctx->irq < 0) { + rc = platform_get_irq(pdev, 0); + if (rc < 0) { dev_err(&pdev->dev, "No IRQ resource\n"); - return ctx->irq; + return rc; } + ctx->irq = rc; dev_dbg(&pdev->dev, "APM X-Gene RNG BASE %p ALARM IRQ %d", ctx->csr_base, ctx->irq); diff --git a/drivers/crypto/marvell/cesa.h b/drivers/crypto/marvell/cesa.h index b60698b30d30..bc2a55bc35e4 100644 --- a/drivers/crypto/marvell/cesa.h +++ b/drivers/crypto/marvell/cesa.h @@ -687,6 +687,33 @@ static inline u32 mv_cesa_get_int_mask(struct mv_cesa_engine *engine) int mv_cesa_queue_req(struct crypto_async_request *req); +/* + * Helper function that indicates whether a crypto request needs to be + * cleaned up or not after being enqueued using mv_cesa_queue_req(). + */ +static inline int mv_cesa_req_needs_cleanup(struct crypto_async_request *req, + int ret) +{ + /* + * The queue still had some space, the request was queued + * normally, so there's no need to clean it up. + */ + if (ret == -EINPROGRESS) + return false; + + /* + * The queue had not space left, but since the request is + * flagged with CRYPTO_TFM_REQ_MAY_BACKLOG, it was added to + * the backlog and will be processed later. There's no need to + * clean it up. + */ + if (ret == -EBUSY && req->flags & CRYPTO_TFM_REQ_MAY_BACKLOG) + return false; + + /* Request wasn't queued, we need to clean it up */ + return true; +} + /* TDMA functions */ static inline void mv_cesa_req_dma_iter_init(struct mv_cesa_dma_iter *iter, diff --git a/drivers/crypto/marvell/cipher.c b/drivers/crypto/marvell/cipher.c index 0745cf3b9c0e..3df2f4e7adb2 100644 --- a/drivers/crypto/marvell/cipher.c +++ b/drivers/crypto/marvell/cipher.c @@ -189,7 +189,6 @@ static inline void mv_cesa_ablkcipher_prepare(struct crypto_async_request *req, { struct ablkcipher_request *ablkreq = ablkcipher_request_cast(req); struct mv_cesa_ablkcipher_req *creq = ablkcipher_request_ctx(ablkreq); - creq->req.base.engine = engine; if (creq->req.base.type == CESA_DMA_REQ) @@ -431,7 +430,7 @@ static int mv_cesa_des_op(struct ablkcipher_request *req, return ret; ret = mv_cesa_queue_req(&req->base); - if (ret && ret != -EINPROGRESS) + if (mv_cesa_req_needs_cleanup(&req->base, ret)) mv_cesa_ablkcipher_cleanup(req); return ret; @@ -551,7 +550,7 @@ static int mv_cesa_des3_op(struct ablkcipher_request *req, return ret; ret = mv_cesa_queue_req(&req->base); - if (ret && ret != -EINPROGRESS) + if (mv_cesa_req_needs_cleanup(&req->base, ret)) mv_cesa_ablkcipher_cleanup(req); return ret; @@ -693,7 +692,7 @@ static int mv_cesa_aes_op(struct ablkcipher_request *req, return ret; ret = mv_cesa_queue_req(&req->base); - if (ret && ret != -EINPROGRESS) + if (mv_cesa_req_needs_cleanup(&req->base, ret)) mv_cesa_ablkcipher_cleanup(req); return ret; diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c index ae9272eb9c1a..e8d0d7128137 100644 --- a/drivers/crypto/marvell/hash.c +++ b/drivers/crypto/marvell/hash.c @@ -739,10 +739,8 @@ static int mv_cesa_ahash_update(struct ahash_request *req) return 0; ret = mv_cesa_queue_req(&req->base); - if (ret && ret != -EINPROGRESS) { + if (mv_cesa_req_needs_cleanup(&req->base, ret)) mv_cesa_ahash_cleanup(req); - return ret; - } return ret; } @@ -766,7 +764,7 @@ static int mv_cesa_ahash_final(struct ahash_request *req) return 0; ret = mv_cesa_queue_req(&req->base); - if (ret && ret != -EINPROGRESS) + if (mv_cesa_req_needs_cleanup(&req->base, ret)) mv_cesa_ahash_cleanup(req); return ret; @@ -791,7 +789,7 @@ static int mv_cesa_ahash_finup(struct ahash_request *req) return 0; ret = mv_cesa_queue_req(&req->base); - if (ret && ret != -EINPROGRESS) + if (mv_cesa_req_needs_cleanup(&req->base, ret)) mv_cesa_ahash_cleanup(req); return ret; diff --git a/drivers/crypto/qat/qat_common/adf_aer.c b/drivers/crypto/qat/qat_common/adf_aer.c index a57b4194de28..0a5ca0ba5d64 100644 --- a/drivers/crypto/qat/qat_common/adf_aer.c +++ b/drivers/crypto/qat/qat_common/adf_aer.c @@ -88,6 +88,9 @@ static void adf_dev_restore(struct adf_accel_dev *accel_dev) struct pci_dev *parent = pdev->bus->self; uint16_t bridge_ctl = 0; + if (accel_dev->is_vf) + return; + dev_info(&GET_DEV(accel_dev), "Resetting device qat_dev%d\n", accel_dev->accel_id); diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c index a07addde297b..8dd0af1d50bc 100644 --- a/drivers/extcon/extcon.c +++ b/drivers/extcon/extcon.c @@ -159,7 +159,7 @@ static int find_cable_index_by_name(struct extcon_dev *edev, const char *name) static bool is_extcon_changed(u32 prev, u32 new, int idx, bool *attached) { if (((prev >> idx) & 0x1) != ((new >> idx) & 0x1)) { - *attached = new ? true : false; + *attached = ((new >> idx) & 0x1) ? true : false; return true; } diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index d8de6a8dd4de..665efca59487 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -139,6 +139,14 @@ config QCOM_SCM bool depends on ARM || ARM64 +config QCOM_SCM_32 + def_bool y + depends on QCOM_SCM && ARM + +config QCOM_SCM_64 + def_bool y + depends on QCOM_SCM && ARM64 + source "drivers/firmware/broadcom/Kconfig" source "drivers/firmware/google/Kconfig" source "drivers/firmware/efi/Kconfig" diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile index 000830fc6707..2ee83474a3c1 100644 --- a/drivers/firmware/Makefile +++ b/drivers/firmware/Makefile @@ -13,7 +13,8 @@ obj-$(CONFIG_ISCSI_IBFT_FIND) += iscsi_ibft_find.o obj-$(CONFIG_ISCSI_IBFT) += iscsi_ibft.o obj-$(CONFIG_FIRMWARE_MEMMAP) += memmap.o obj-$(CONFIG_QCOM_SCM) += qcom_scm.o -obj-$(CONFIG_QCOM_SCM) += qcom_scm-32.o +obj-$(CONFIG_QCOM_SCM_64) += qcom_scm-64.o +obj-$(CONFIG_QCOM_SCM_32) += qcom_scm-32.o CFLAGS_qcom_scm-32.o :=$(call as-instr,.arch_extension sec,-DREQUIRES_SEC=1) obj-y += broadcom/ diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h index e334a01cf92f..6b6548fda089 100644 --- a/drivers/firmware/efi/libstub/efistub.h +++ b/drivers/firmware/efi/libstub/efistub.h @@ -5,10 +5,6 @@ /* error code which can't be mistaken for valid address */ #define EFI_ERROR (~0UL) -#undef memcpy -#undef memset -#undef memmove - void efi_char16_printk(efi_system_table_t *, efi_char16_t *); efi_status_t efi_open_volume(efi_system_table_t *sys_table_arg, void *__image, diff --git a/drivers/firmware/qcom_scm-64.c b/drivers/firmware/qcom_scm-64.c new file mode 100644 index 000000000000..bb6555f6d63b --- /dev/null +++ b/drivers/firmware/qcom_scm-64.c @@ -0,0 +1,63 @@ +/* Copyright (c) 2015, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/io.h> +#include <linux/errno.h> +#include <linux/qcom_scm.h> + +/** + * qcom_scm_set_cold_boot_addr() - Set the cold boot address for cpus + * @entry: Entry point function for the cpus + * @cpus: The cpumask of cpus that will use the entry point + * + * Set the cold boot address of the cpus. Any cpu outside the supported + * range would be removed from the cpu present mask. + */ +int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus) +{ + return -ENOTSUPP; +} + +/** + * qcom_scm_set_warm_boot_addr() - Set the warm boot address for cpus + * @entry: Entry point function for the cpus + * @cpus: The cpumask of cpus that will use the entry point + * + * Set the Linux entry point for the SCM to transfer control to when coming + * out of a power down. CPU power down may be executed on cpuidle or hotplug. + */ +int __qcom_scm_set_warm_boot_addr(void *entry, const cpumask_t *cpus) +{ + return -ENOTSUPP; +} + +/** + * qcom_scm_cpu_power_down() - Power down the cpu + * @flags - Flags to flush cache + * + * This is an end point to power down cpu. If there was a pending interrupt, + * the control would return from this function, otherwise, the cpu jumps to the + * warm boot entry point set for this cpu upon reset. + */ +void __qcom_scm_cpu_power_down(u32 flags) +{ +} + +int __qcom_scm_is_call_available(u32 svc_id, u32 cmd_id) +{ + return -ENOTSUPP; +} + +int __qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp) +{ + return -ENOTSUPP; +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 668939a14206..6647fb26ef25 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -82,6 +82,7 @@ extern int amdgpu_vm_block_size; extern int amdgpu_enable_scheduler; extern int amdgpu_sched_jobs; extern int amdgpu_sched_hw_submission; +extern int amdgpu_enable_semaphores; #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */ @@ -432,7 +433,7 @@ int amdgpu_fence_driver_init(struct amdgpu_device *adev); void amdgpu_fence_driver_fini(struct amdgpu_device *adev); void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev); -void amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring); +int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring); int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring, struct amdgpu_irq_src *irq_src, unsigned irq_type); @@ -890,7 +891,7 @@ struct amdgpu_ring { struct amdgpu_device *adev; const struct amdgpu_ring_funcs *funcs; struct amdgpu_fence_driver fence_drv; - struct amd_gpu_scheduler *scheduler; + struct amd_gpu_scheduler sched; spinlock_t fence_lock; struct mutex *ring_lock; @@ -1201,8 +1202,6 @@ struct amdgpu_gfx { struct amdgpu_irq_src priv_inst_irq; /* gfx status */ uint32_t gfx_current_status; - /* sync signal for const engine */ - unsigned ce_sync_offs; /* ce ram size*/ unsigned ce_ram_size; }; @@ -1274,8 +1273,10 @@ struct amdgpu_job { uint32_t num_ibs; struct mutex job_lock; struct amdgpu_user_fence uf; - int (*free_job)(struct amdgpu_job *sched_job); + int (*free_job)(struct amdgpu_job *job); }; +#define to_amdgpu_job(sched_job) \ + container_of((sched_job), struct amdgpu_job, base) static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p, uint32_t ib_idx, int idx) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 496ed2192eba..84d68d658f8a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -183,7 +183,7 @@ int alloc_gtt_mem(struct kgd_dev *kgd, size_t size, return -ENOMEM; r = amdgpu_bo_create(rdev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_GTT, - AMDGPU_GEM_CREATE_CPU_GTT_USWC, NULL, &(*mem)->bo); + AMDGPU_GEM_CREATE_CPU_GTT_USWC, NULL, NULL, &(*mem)->bo); if (r) { dev_err(rdev->dev, "failed to allocate BO for amdkfd (%d)\n", r); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c index 98d59ee640ce..cd639c362df3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c @@ -79,7 +79,8 @@ static void amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size, int time; n = AMDGPU_BENCHMARK_ITERATIONS; - r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, sdomain, 0, NULL, &sobj); + r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, sdomain, 0, NULL, + NULL, &sobj); if (r) { goto out_cleanup; } @@ -91,7 +92,8 @@ static void amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size, if (r) { goto out_cleanup; } - r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, ddomain, 0, NULL, &dobj); + r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, ddomain, 0, NULL, + NULL, &dobj); if (r) { goto out_cleanup; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 6b1243f9f86d..1c3fc99c5465 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -86,7 +86,7 @@ static int amdgpu_cgs_gmap_kmem(void *cgs_device, void *kmem, struct sg_table *sg = drm_prime_pages_to_sg(&kmem_page, npages); ret = amdgpu_bo_create(adev, size, PAGE_SIZE, false, - AMDGPU_GEM_DOMAIN_GTT, 0, sg, &bo); + AMDGPU_GEM_DOMAIN_GTT, 0, sg, NULL, &bo); if (ret) return ret; ret = amdgpu_bo_reserve(bo, false); @@ -197,7 +197,8 @@ static int amdgpu_cgs_alloc_gpu_mem(void *cgs_device, ret = amdgpu_bo_create_restricted(adev, size, PAGE_SIZE, true, domain, flags, - NULL, &placement, &obj); + NULL, &placement, NULL, + &obj); if (ret) { DRM_ERROR("(%d) bo create failed\n", ret); return ret; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 3b355aeb62fd..749420f1ea6f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -154,42 +154,41 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) { union drm_amdgpu_cs *cs = data; uint64_t *chunk_array_user; - uint64_t *chunk_array = NULL; + uint64_t *chunk_array; struct amdgpu_fpriv *fpriv = p->filp->driver_priv; unsigned size, i; - int r = 0; + int ret; - if (!cs->in.num_chunks) - goto out; + if (cs->in.num_chunks == 0) + return 0; + + chunk_array = kmalloc_array(cs->in.num_chunks, sizeof(uint64_t), GFP_KERNEL); + if (!chunk_array) + return -ENOMEM; p->ctx = amdgpu_ctx_get(fpriv, cs->in.ctx_id); if (!p->ctx) { - r = -EINVAL; - goto out; + ret = -EINVAL; + goto free_chunk; } + p->bo_list = amdgpu_bo_list_get(fpriv, cs->in.bo_list_handle); /* get chunks */ INIT_LIST_HEAD(&p->validated); - chunk_array = kmalloc_array(cs->in.num_chunks, sizeof(uint64_t), GFP_KERNEL); - if (chunk_array == NULL) { - r = -ENOMEM; - goto out; - } - chunk_array_user = (uint64_t __user *)(cs->in.chunks); if (copy_from_user(chunk_array, chunk_array_user, sizeof(uint64_t)*cs->in.num_chunks)) { - r = -EFAULT; - goto out; + ret = -EFAULT; + goto put_bo_list; } p->nchunks = cs->in.num_chunks; p->chunks = kmalloc_array(p->nchunks, sizeof(struct amdgpu_cs_chunk), GFP_KERNEL); - if (p->chunks == NULL) { - r = -ENOMEM; - goto out; + if (!p->chunks) { + ret = -ENOMEM; + goto put_bo_list; } for (i = 0; i < p->nchunks; i++) { @@ -200,8 +199,9 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) chunk_ptr = (void __user *)chunk_array[i]; if (copy_from_user(&user_chunk, chunk_ptr, sizeof(struct drm_amdgpu_cs_chunk))) { - r = -EFAULT; - goto out; + ret = -EFAULT; + i--; + goto free_partial_kdata; } p->chunks[i].chunk_id = user_chunk.chunk_id; p->chunks[i].length_dw = user_chunk.length_dw; @@ -212,13 +212,14 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) p->chunks[i].kdata = drm_malloc_ab(size, sizeof(uint32_t)); if (p->chunks[i].kdata == NULL) { - r = -ENOMEM; - goto out; + ret = -ENOMEM; + i--; + goto free_partial_kdata; } size *= sizeof(uint32_t); if (copy_from_user(p->chunks[i].kdata, cdata, size)) { - r = -EFAULT; - goto out; + ret = -EFAULT; + goto free_partial_kdata; } switch (p->chunks[i].chunk_id) { @@ -238,15 +239,15 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) gobj = drm_gem_object_lookup(p->adev->ddev, p->filp, handle); if (gobj == NULL) { - r = -EINVAL; - goto out; + ret = -EINVAL; + goto free_partial_kdata; } p->uf.bo = gem_to_amdgpu_bo(gobj); p->uf.offset = fence_data->offset; } else { - r = -EINVAL; - goto out; + ret = -EINVAL; + goto free_partial_kdata; } break; @@ -254,19 +255,35 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) break; default: - r = -EINVAL; - goto out; + ret = -EINVAL; + goto free_partial_kdata; } } p->ibs = kcalloc(p->num_ibs, sizeof(struct amdgpu_ib), GFP_KERNEL); - if (!p->ibs) - r = -ENOMEM; + if (!p->ibs) { + ret = -ENOMEM; + goto free_all_kdata; + } -out: kfree(chunk_array); - return r; + return 0; + +free_all_kdata: + i = p->nchunks - 1; +free_partial_kdata: + for (; i >= 0; i--) + drm_free_large(p->chunks[i].kdata); + kfree(p->chunks); +put_bo_list: + if (p->bo_list) + amdgpu_bo_list_put(p->bo_list); + amdgpu_ctx_put(p->ctx); +free_chunk: + kfree(chunk_array); + + return ret; } /* Returns how many bytes TTM can move per IB. @@ -321,25 +338,17 @@ static u64 amdgpu_cs_get_threshold_for_moves(struct amdgpu_device *adev) return max(bytes_moved_threshold, 1024*1024ull); } -int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p) +int amdgpu_cs_list_validate(struct amdgpu_device *adev, + struct amdgpu_vm *vm, + struct list_head *validated) { - struct amdgpu_fpriv *fpriv = p->filp->driver_priv; - struct amdgpu_vm *vm = &fpriv->vm; - struct amdgpu_device *adev = p->adev; struct amdgpu_bo_list_entry *lobj; - struct list_head duplicates; struct amdgpu_bo *bo; u64 bytes_moved = 0, initial_bytes_moved; u64 bytes_moved_threshold = amdgpu_cs_get_threshold_for_moves(adev); int r; - INIT_LIST_HEAD(&duplicates); - r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true, &duplicates); - if (unlikely(r != 0)) { - return r; - } - - list_for_each_entry(lobj, &p->validated, tv.head) { + list_for_each_entry(lobj, validated, tv.head) { bo = lobj->robj; if (!bo->pin_count) { u32 domain = lobj->prefered_domains; @@ -373,7 +382,6 @@ int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p) domain = lobj->allowed_domains; goto retry; } - ttm_eu_backoff_reservation(&p->ticket, &p->validated); return r; } } @@ -386,6 +394,7 @@ static int amdgpu_cs_parser_relocs(struct amdgpu_cs_parser *p) { struct amdgpu_fpriv *fpriv = p->filp->driver_priv; struct amdgpu_cs_buckets buckets; + struct list_head duplicates; bool need_mmap_lock = false; int i, r; @@ -405,8 +414,22 @@ static int amdgpu_cs_parser_relocs(struct amdgpu_cs_parser *p) if (need_mmap_lock) down_read(¤t->mm->mmap_sem); - r = amdgpu_cs_list_validate(p); + INIT_LIST_HEAD(&duplicates); + r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true, &duplicates); + if (unlikely(r != 0)) + goto error_reserve; + + r = amdgpu_cs_list_validate(p->adev, &fpriv->vm, &p->validated); + if (r) + goto error_validate; + + r = amdgpu_cs_list_validate(p->adev, &fpriv->vm, &duplicates); + +error_validate: + if (r) + ttm_eu_backoff_reservation(&p->ticket, &p->validated); +error_reserve: if (need_mmap_lock) up_read(¤t->mm->mmap_sem); @@ -772,15 +795,15 @@ static int amdgpu_cs_dependencies(struct amdgpu_device *adev, return 0; } -static int amdgpu_cs_free_job(struct amdgpu_job *sched_job) +static int amdgpu_cs_free_job(struct amdgpu_job *job) { int i; - if (sched_job->ibs) - for (i = 0; i < sched_job->num_ibs; i++) - amdgpu_ib_free(sched_job->adev, &sched_job->ibs[i]); - kfree(sched_job->ibs); - if (sched_job->uf.bo) - drm_gem_object_unreference_unlocked(&sched_job->uf.bo->gem_base); + if (job->ibs) + for (i = 0; i < job->num_ibs; i++) + amdgpu_ib_free(job->adev, &job->ibs[i]); + kfree(job->ibs); + if (job->uf.bo) + drm_gem_object_unreference_unlocked(&job->uf.bo->gem_base); return 0; } @@ -804,7 +827,7 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) r = amdgpu_cs_parser_init(parser, data); if (r) { DRM_ERROR("Failed to initialize parser !\n"); - amdgpu_cs_parser_fini(parser, r, false); + kfree(parser); up_read(&adev->exclusive_lock); r = amdgpu_cs_handle_lockup(adev, r); return r; @@ -842,7 +865,7 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) job = kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL); if (!job) return -ENOMEM; - job->base.sched = ring->scheduler; + job->base.sched = &ring->sched; job->base.s_entity = &parser->ctx->rings[ring->idx].entity; job->adev = parser->adev; job->ibs = parser->ibs; @@ -857,7 +880,7 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) job->free_job = amdgpu_cs_free_job; mutex_lock(&job->job_lock); - r = amd_sched_entity_push_job((struct amd_sched_job *)job); + r = amd_sched_entity_push_job(&job->base); if (r) { mutex_unlock(&job->job_lock); amdgpu_cs_free_job(job); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c index 20cbc4eb5a6f..e0b80ccdfe8a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -43,10 +43,10 @@ int amdgpu_ctx_init(struct amdgpu_device *adev, bool kernel, for (i = 0; i < adev->num_rings; i++) { struct amd_sched_rq *rq; if (kernel) - rq = &adev->rings[i]->scheduler->kernel_rq; + rq = &adev->rings[i]->sched.kernel_rq; else - rq = &adev->rings[i]->scheduler->sched_rq; - r = amd_sched_entity_init(adev->rings[i]->scheduler, + rq = &adev->rings[i]->sched.sched_rq; + r = amd_sched_entity_init(&adev->rings[i]->sched, &ctx->rings[i].entity, rq, amdgpu_sched_jobs); if (r) @@ -55,7 +55,7 @@ int amdgpu_ctx_init(struct amdgpu_device *adev, bool kernel, if (i < adev->num_rings) { for (j = 0; j < i; j++) - amd_sched_entity_fini(adev->rings[j]->scheduler, + amd_sched_entity_fini(&adev->rings[j]->sched, &ctx->rings[j].entity); kfree(ctx); return r; @@ -75,7 +75,7 @@ void amdgpu_ctx_fini(struct amdgpu_ctx *ctx) if (amdgpu_enable_scheduler) { for (i = 0; i < adev->num_rings; i++) - amd_sched_entity_fini(adev->rings[i]->scheduler, + amd_sched_entity_fini(&adev->rings[i]->sched, &ctx->rings[i].entity); } } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 6ff6ae945794..6068d8207d10 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -246,7 +246,7 @@ static int amdgpu_vram_scratch_init(struct amdgpu_device *adev) r = amdgpu_bo_create(adev, AMDGPU_GPU_PAGE_SIZE, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, &adev->vram_scratch.robj); + NULL, NULL, &adev->vram_scratch.robj); if (r) { return r; } @@ -449,7 +449,8 @@ static int amdgpu_wb_init(struct amdgpu_device *adev) if (adev->wb.wb_obj == NULL) { r = amdgpu_bo_create(adev, AMDGPU_MAX_WB * 4, PAGE_SIZE, true, - AMDGPU_GEM_DOMAIN_GTT, 0, NULL, &adev->wb.wb_obj); + AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL, + &adev->wb.wb_obj); if (r) { dev_warn(adev->dev, "(%d) create WB bo failed\n", r); return r; @@ -1650,9 +1651,11 @@ int amdgpu_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon) drm_kms_helper_poll_disable(dev); /* turn off display hw */ + drm_modeset_lock_all(dev); list_for_each_entry(connector, &dev->mode_config.connector_list, head) { drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); } + drm_modeset_unlock_all(dev); /* unpin the front buffers */ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { @@ -1747,9 +1750,11 @@ int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon) if (fbcon) { drm_helper_resume_force_mode(dev); /* turn on display hw */ + drm_modeset_lock_all(dev); list_for_each_entry(connector, &dev->mode_config.connector_list, head) { drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); } + drm_modeset_unlock_all(dev); } drm_kms_helper_poll_enable(dev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 0fcc0bd1622c..adb48353f2e1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -79,6 +79,7 @@ int amdgpu_exp_hw_support = 0; int amdgpu_enable_scheduler = 0; int amdgpu_sched_jobs = 16; int amdgpu_sched_hw_submission = 2; +int amdgpu_enable_semaphores = 1; MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes"); module_param_named(vramlimit, amdgpu_vram_limit, int, 0600); @@ -152,6 +153,9 @@ module_param_named(sched_jobs, amdgpu_sched_jobs, int, 0444); MODULE_PARM_DESC(sched_hw_submission, "the max number of HW submissions (default 2)"); module_param_named(sched_hw_submission, amdgpu_sched_hw_submission, int, 0444); +MODULE_PARM_DESC(enable_semaphores, "Enable semaphores (1 = enable (default), 0 = disable)"); +module_param_named(enable_semaphores, amdgpu_enable_semaphores, int, 0644); + static struct pci_device_id pciidlist[] = { #ifdef CONFIG_DRM_AMDGPU_CIK /* Kaveri */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 1be2bd6d07ea..b3fc26c59787 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -609,9 +609,9 @@ int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring, * Init the fence driver for the requested ring (all asics). * Helper function for amdgpu_fence_driver_init(). */ -void amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring) +int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring) { - int i; + int i, r; ring->fence_drv.cpu_addr = NULL; ring->fence_drv.gpu_addr = 0; @@ -625,15 +625,19 @@ void amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring) amdgpu_fence_check_lockup); ring->fence_drv.ring = ring; + init_waitqueue_head(&ring->fence_drv.fence_queue); + if (amdgpu_enable_scheduler) { - ring->scheduler = amd_sched_create(&amdgpu_sched_ops, - ring->idx, - amdgpu_sched_hw_submission, - (void *)ring->adev); - if (!ring->scheduler) - DRM_ERROR("Failed to create scheduler on ring %d.\n", - ring->idx); + r = amd_sched_init(&ring->sched, &amdgpu_sched_ops, + amdgpu_sched_hw_submission, ring->name); + if (r) { + DRM_ERROR("Failed to create scheduler on ring %s.\n", + ring->name); + return r; + } } + + return 0; } /** @@ -681,8 +685,7 @@ void amdgpu_fence_driver_fini(struct amdgpu_device *adev) wake_up_all(&ring->fence_drv.fence_queue); amdgpu_irq_put(adev, ring->fence_drv.irq_src, ring->fence_drv.irq_type); - if (ring->scheduler) - amd_sched_destroy(ring->scheduler); + amd_sched_fini(&ring->sched); ring->fence_drv.initialized = false; } mutex_unlock(&adev->ring_lock); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index cbd3a486c5c2..7312d729d300 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -127,7 +127,7 @@ int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev) r = amdgpu_bo_create(adev, adev->gart.table_size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, &adev->gart.robj); + NULL, NULL, &adev->gart.robj); if (r) { return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 5839fab374bf..7297ca3a0ba7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -69,7 +69,8 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size, } } retry: - r = amdgpu_bo_create(adev, size, alignment, kernel, initial_domain, flags, NULL, &robj); + r = amdgpu_bo_create(adev, size, alignment, kernel, initial_domain, + flags, NULL, NULL, &robj); if (r) { if (r != -ERESTARTSYS) { if (initial_domain == AMDGPU_GEM_DOMAIN_VRAM) { @@ -426,6 +427,10 @@ int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data, &args->data.data_size_bytes, &args->data.flags); } else if (args->op == AMDGPU_GEM_METADATA_OP_SET_METADATA) { + if (args->data.data_size_bytes > sizeof(args->data.data)) { + r = -EINVAL; + goto unreserve; + } r = amdgpu_bo_set_tiling_flags(robj, args->data.tiling_info); if (!r) r = amdgpu_bo_set_metadata(robj, args->data.data, @@ -433,6 +438,7 @@ int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data, args->data.flags); } +unreserve: amdgpu_bo_unreserve(robj); out: drm_gem_object_unreference_unlocked(gobj); @@ -454,11 +460,12 @@ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev, struct ttm_validate_buffer tv, *entry; struct amdgpu_bo_list_entry *vm_bos; struct ww_acquire_ctx ticket; - struct list_head list; + struct list_head list, duplicates; unsigned domain; int r; INIT_LIST_HEAD(&list); + INIT_LIST_HEAD(&duplicates); tv.bo = &bo_va->bo->tbo; tv.shared = true; @@ -468,7 +475,8 @@ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev, if (!vm_bos) return; - r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL); + /* Provide duplicates to avoid -EALREADY */ + r = ttm_eu_reserve_buffers(&ticket, &list, true, &duplicates); if (r) goto error_free; @@ -651,7 +659,7 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv, int r; args->pitch = amdgpu_align_pitch(adev, args->width, args->bpp, 0) * ((args->bpp + 1) / 8); - args->size = args->pitch * args->height; + args->size = (u64)args->pitch * args->height; args->size = ALIGN(args->size, PAGE_SIZE); r = amdgpu_gem_object_create(adev, args->size, 0, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c index 5c8a803acedc..534fc04e80fd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c @@ -43,7 +43,7 @@ static int amdgpu_ih_ring_alloc(struct amdgpu_device *adev) r = amdgpu_bo_create(adev, adev->irq.ih.ring_size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_GTT, 0, - NULL, &adev->irq.ih.ring_obj); + NULL, NULL, &adev->irq.ih.ring_obj); if (r) { DRM_ERROR("amdgpu: failed to create ih ring buffer (%d).\n", r); return r; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c index 0aba8e9bc8a0..7c42ff670080 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -140,7 +140,7 @@ void amdgpu_irq_preinstall(struct drm_device *dev) */ int amdgpu_irq_postinstall(struct drm_device *dev) { - dev->max_vblank_count = 0x001fffff; + dev->max_vblank_count = 0x00ffffff; return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 22367939ebf1..8c735f544b66 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -390,7 +390,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0; } case AMDGPU_INFO_READ_MMR_REG: { - unsigned n, alloc_size = info->read_mmr_reg.count * 4; + unsigned n, alloc_size; uint32_t *regs; unsigned se_num = (info->read_mmr_reg.instance >> AMDGPU_INFO_MMR_SE_INDEX_SHIFT) & @@ -406,9 +406,10 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK) sh_num = 0xffffffff; - regs = kmalloc(alloc_size, GFP_KERNEL); + regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL); if (!regs) return -ENOMEM; + alloc_size = info->read_mmr_reg.count * sizeof(*regs); for (i = 0; i < info->read_mmr_reg.count; i++) if (amdgpu_asic_read_register(adev, se_num, sh_num, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 08b09d55b96f..1a7708f365f3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -215,6 +215,7 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev, bool kernel, u32 domain, u64 flags, struct sg_table *sg, struct ttm_placement *placement, + struct reservation_object *resv, struct amdgpu_bo **bo_ptr) { struct amdgpu_bo *bo; @@ -261,7 +262,7 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev, /* Kernel allocation are uninterruptible */ r = ttm_bo_init(&adev->mman.bdev, &bo->tbo, size, type, &bo->placement, page_align, !kernel, NULL, - acc_size, sg, NULL, &amdgpu_ttm_bo_destroy); + acc_size, sg, resv, &amdgpu_ttm_bo_destroy); if (unlikely(r != 0)) { return r; } @@ -275,7 +276,9 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev, int amdgpu_bo_create(struct amdgpu_device *adev, unsigned long size, int byte_align, bool kernel, u32 domain, u64 flags, - struct sg_table *sg, struct amdgpu_bo **bo_ptr) + struct sg_table *sg, + struct reservation_object *resv, + struct amdgpu_bo **bo_ptr) { struct ttm_placement placement = {0}; struct ttm_place placements[AMDGPU_GEM_DOMAIN_MAX + 1]; @@ -286,11 +289,9 @@ int amdgpu_bo_create(struct amdgpu_device *adev, amdgpu_ttm_placement_init(adev, &placement, placements, domain, flags); - return amdgpu_bo_create_restricted(adev, size, byte_align, - kernel, domain, flags, - sg, - &placement, - bo_ptr); + return amdgpu_bo_create_restricted(adev, size, byte_align, kernel, + domain, flags, sg, &placement, + resv, bo_ptr); } int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr) @@ -535,12 +536,10 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata, if (metadata == NULL) return -EINVAL; - buffer = kzalloc(metadata_size, GFP_KERNEL); + buffer = kmemdup(metadata, metadata_size, GFP_KERNEL); if (buffer == NULL) return -ENOMEM; - memcpy(buffer, metadata, metadata_size); - kfree(bo->metadata); bo->metadata_flags = flags; bo->metadata = buffer; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 6ea18dcec561..3c2ff4567798 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -129,12 +129,14 @@ int amdgpu_bo_create(struct amdgpu_device *adev, unsigned long size, int byte_align, bool kernel, u32 domain, u64 flags, struct sg_table *sg, + struct reservation_object *resv, struct amdgpu_bo **bo_ptr); int amdgpu_bo_create_restricted(struct amdgpu_device *adev, unsigned long size, int byte_align, bool kernel, u32 domain, u64 flags, struct sg_table *sg, struct ttm_placement *placement, + struct reservation_object *resv, struct amdgpu_bo **bo_ptr); int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr); void amdgpu_bo_kunmap(struct amdgpu_bo *bo); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c index d9652fe32d6a..59f735a933a9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c @@ -61,12 +61,15 @@ struct drm_gem_object *amdgpu_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg) { + struct reservation_object *resv = attach->dmabuf->resv; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_bo *bo; int ret; + ww_mutex_lock(&resv->lock, NULL); ret = amdgpu_bo_create(adev, attach->dmabuf->size, PAGE_SIZE, false, - AMDGPU_GEM_DOMAIN_GTT, 0, sg, &bo); + AMDGPU_GEM_DOMAIN_GTT, 0, sg, resv, &bo); + ww_mutex_unlock(&resv->lock); if (ret) return ERR_PTR(ret); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 9bec91484c24..30dce235ddeb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -357,11 +357,11 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, ring->adev = adev; ring->idx = adev->num_rings++; adev->rings[ring->idx] = ring; - amdgpu_fence_driver_init_ring(ring); + r = amdgpu_fence_driver_init_ring(ring); + if (r) + return r; } - init_waitqueue_head(&ring->fence_drv.fence_queue); - r = amdgpu_wb_get(adev, &ring->rptr_offs); if (r) { dev_err(adev->dev, "(%d) ring rptr_offs wb alloc failed\n", r); @@ -407,7 +407,7 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, if (ring->ring_obj == NULL) { r = amdgpu_bo_create(adev, ring->ring_size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_GTT, 0, - NULL, &ring->ring_obj); + NULL, NULL, &ring->ring_obj); if (r) { dev_err(adev->dev, "(%d) ring create failed\n", r); return r; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c index 74dad270362c..e90712443fe9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c @@ -64,8 +64,8 @@ int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev, INIT_LIST_HEAD(&sa_manager->flist[i]); } - r = amdgpu_bo_create(adev, size, align, true, - domain, 0, NULL, &sa_manager->bo); + r = amdgpu_bo_create(adev, size, align, true, domain, + 0, NULL, NULL, &sa_manager->bo); if (r) { dev_err(adev->dev, "(%d) failed to allocate bo for manager\n", r); return r; @@ -145,8 +145,13 @@ static uint32_t amdgpu_sa_get_ring_from_fence(struct fence *f) struct amd_sched_fence *s_fence; s_fence = to_amd_sched_fence(f); - if (s_fence) - return s_fence->scheduler->ring_id; + if (s_fence) { + struct amdgpu_ring *ring; + + ring = container_of(s_fence->sched, struct amdgpu_ring, sched); + return ring->idx; + } + a_fence = to_amdgpu_fence(f); if (a_fence) return a_fence->ring->idx; @@ -412,6 +417,26 @@ void amdgpu_sa_bo_free(struct amdgpu_device *adev, struct amdgpu_sa_bo **sa_bo, } #if defined(CONFIG_DEBUG_FS) + +static void amdgpu_sa_bo_dump_fence(struct fence *fence, struct seq_file *m) +{ + struct amdgpu_fence *a_fence = to_amdgpu_fence(fence); + struct amd_sched_fence *s_fence = to_amd_sched_fence(fence); + + if (a_fence) + seq_printf(m, " protected by 0x%016llx on ring %d", + a_fence->seq, a_fence->ring->idx); + + if (s_fence) { + struct amdgpu_ring *ring; + + + ring = container_of(s_fence->sched, struct amdgpu_ring, sched); + seq_printf(m, " protected by 0x%016x on ring %d", + s_fence->base.seqno, ring->idx); + } +} + void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager, struct seq_file *m) { @@ -428,18 +453,8 @@ void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager, } seq_printf(m, "[0x%010llx 0x%010llx] size %8lld", soffset, eoffset, eoffset - soffset); - if (i->fence) { - struct amdgpu_fence *a_fence = to_amdgpu_fence(i->fence); - struct amd_sched_fence *s_fence = to_amd_sched_fence(i->fence); - if (a_fence) - seq_printf(m, " protected by 0x%016llx on ring %d", - a_fence->seq, a_fence->ring->idx); - if (s_fence) - seq_printf(m, " protected by 0x%016x on ring %d", - s_fence->base.seqno, - s_fence->scheduler->ring_id); - - } + if (i->fence) + amdgpu_sa_bo_dump_fence(i->fence, m); seq_printf(m, "\n"); } spin_unlock(&sa_manager->wq.lock); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c index de98fbd2971e..2e946b2cad88 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c @@ -27,63 +27,48 @@ #include <drm/drmP.h> #include "amdgpu.h" -static struct fence *amdgpu_sched_dependency(struct amd_sched_job *job) +static struct fence *amdgpu_sched_dependency(struct amd_sched_job *sched_job) { - struct amdgpu_job *sched_job = (struct amdgpu_job *)job; - return amdgpu_sync_get_fence(&sched_job->ibs->sync); + struct amdgpu_job *job = to_amdgpu_job(sched_job); + return amdgpu_sync_get_fence(&job->ibs->sync); } -static struct fence *amdgpu_sched_run_job(struct amd_sched_job *job) +static struct fence *amdgpu_sched_run_job(struct amd_sched_job *sched_job) { - struct amdgpu_job *sched_job; - struct amdgpu_fence *fence; + struct amdgpu_fence *fence = NULL; + struct amdgpu_job *job; int r; - if (!job) { + if (!sched_job) { DRM_ERROR("job is null\n"); return NULL; } - sched_job = (struct amdgpu_job *)job; - mutex_lock(&sched_job->job_lock); - r = amdgpu_ib_schedule(sched_job->adev, - sched_job->num_ibs, - sched_job->ibs, - sched_job->base.owner); - if (r) + job = to_amdgpu_job(sched_job); + mutex_lock(&job->job_lock); + r = amdgpu_ib_schedule(job->adev, + job->num_ibs, + job->ibs, + job->base.owner); + if (r) { + DRM_ERROR("Error scheduling IBs (%d)\n", r); goto err; - fence = amdgpu_fence_ref(sched_job->ibs[sched_job->num_ibs - 1].fence); - - if (sched_job->free_job) - sched_job->free_job(sched_job); + } - mutex_unlock(&sched_job->job_lock); - return &fence->base; + fence = amdgpu_fence_ref(job->ibs[job->num_ibs - 1].fence); err: - DRM_ERROR("Run job error\n"); - mutex_unlock(&sched_job->job_lock); - job->sched->ops->process_job(job); - return NULL; -} + if (job->free_job) + job->free_job(job); -static void amdgpu_sched_process_job(struct amd_sched_job *job) -{ - struct amdgpu_job *sched_job; - - if (!job) { - DRM_ERROR("job is null\n"); - return; - } - sched_job = (struct amdgpu_job *)job; - /* after processing job, free memory */ - fence_put(&sched_job->base.s_fence->base); - kfree(sched_job); + mutex_unlock(&job->job_lock); + fence_put(&job->base.s_fence->base); + kfree(job); + return fence ? &fence->base : NULL; } struct amd_sched_backend_ops amdgpu_sched_ops = { .dependency = amdgpu_sched_dependency, .run_job = amdgpu_sched_run_job, - .process_job = amdgpu_sched_process_job }; int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev, @@ -100,7 +85,7 @@ int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev, kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL); if (!job) return -ENOMEM; - job->base.sched = ring->scheduler; + job->base.sched = &ring->sched; job->base.s_entity = &adev->kernel_ctx.rings[ring->idx].entity; job->adev = adev; job->ibs = ibs; @@ -109,7 +94,7 @@ int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev, mutex_init(&job->job_lock); job->free_job = free_job; mutex_lock(&job->job_lock); - r = amd_sched_entity_push_job((struct amd_sched_job *)job); + r = amd_sched_entity_push_job(&job->base); if (r) { mutex_unlock(&job->job_lock); kfree(job); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c index 068aeaff7183..4921de15b451 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c @@ -65,8 +65,14 @@ static bool amdgpu_sync_same_dev(struct amdgpu_device *adev, struct fence *f) if (a_fence) return a_fence->ring->adev == adev; - if (s_fence) - return (struct amdgpu_device *)s_fence->scheduler->priv == adev; + + if (s_fence) { + struct amdgpu_ring *ring; + + ring = container_of(s_fence->sched, struct amdgpu_ring, sched); + return ring->adev == adev; + } + return false; } @@ -251,6 +257,20 @@ int amdgpu_sync_wait(struct amdgpu_sync *sync) fence_put(e->fence); kfree(e); } + + if (amdgpu_enable_semaphores) + return 0; + + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { + struct amdgpu_fence *fence = sync->sync_to[i]; + if (!fence) + continue; + + r = fence_wait(&fence->base, false); + if (r) + return r; + } + return 0; } @@ -285,7 +305,8 @@ int amdgpu_sync_rings(struct amdgpu_sync *sync, return -EINVAL; } - if (amdgpu_enable_scheduler || (count >= AMDGPU_NUM_SYNCS)) { + if (amdgpu_enable_scheduler || !amdgpu_enable_semaphores || + (count >= AMDGPU_NUM_SYNCS)) { /* not enough room, wait manually */ r = fence_wait(&fence->base, false); if (r) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c index f80b1a43be8a..4865615e9c06 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c @@ -59,8 +59,9 @@ static void amdgpu_do_test_moves(struct amdgpu_device *adev) goto out_cleanup; } - r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, 0, - NULL, &vram_obj); + r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, + AMDGPU_GEM_DOMAIN_VRAM, 0, + NULL, NULL, &vram_obj); if (r) { DRM_ERROR("Failed to create VRAM object\n"); goto out_cleanup; @@ -80,7 +81,8 @@ static void amdgpu_do_test_moves(struct amdgpu_device *adev) struct fence *fence = NULL; r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, - AMDGPU_GEM_DOMAIN_GTT, 0, NULL, gtt_obj + i); + AMDGPU_GEM_DOMAIN_GTT, 0, NULL, + NULL, gtt_obj + i); if (r) { DRM_ERROR("Failed to create GTT object %d\n", i); goto out_lclean; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index b5abd5cde413..364cbe975332 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -861,7 +861,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) r = amdgpu_bo_create(adev, 256 * 1024, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, &adev->stollen_vga_memory); + NULL, NULL, &adev->stollen_vga_memory); if (r) { return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c index 482e66797ae6..5cc95f1a7dab 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c @@ -247,7 +247,7 @@ int amdgpu_ucode_init_bo(struct amdgpu_device *adev) const struct common_firmware_header *header = NULL; err = amdgpu_bo_create(adev, adev->firmware.fw_size, PAGE_SIZE, true, - AMDGPU_GEM_DOMAIN_GTT, 0, NULL, bo); + AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL, bo); if (err) { dev_err(adev->dev, "(%d) Firmware buffer allocate failed\n", err); err = -ENOMEM; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index 2cf6c6b06e3b..d0312364d950 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -156,7 +156,7 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev) r = amdgpu_bo_create(adev, bo_size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, &adev->uvd.vcpu_bo); + NULL, NULL, &adev->uvd.vcpu_bo); if (r) { dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r); return r; @@ -543,46 +543,60 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx, return -EINVAL; } - if (msg_type == 1) { + switch (msg_type) { + case 0: + /* it's a create msg, calc image size (width * height) */ + amdgpu_bo_kunmap(bo); + + /* try to alloc a new handle */ + for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) { + if (atomic_read(&adev->uvd.handles[i]) == handle) { + DRM_ERROR("Handle 0x%x already in use!\n", handle); + return -EINVAL; + } + + if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) { + adev->uvd.filp[i] = ctx->parser->filp; + return 0; + } + } + + DRM_ERROR("No more free UVD handles!\n"); + return -EINVAL; + + case 1: /* it's a decode msg, calc buffer sizes */ r = amdgpu_uvd_cs_msg_decode(msg, ctx->buf_sizes); amdgpu_bo_kunmap(bo); if (r) return r; - } else if (msg_type == 2) { + /* validate the handle */ + for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) { + if (atomic_read(&adev->uvd.handles[i]) == handle) { + if (adev->uvd.filp[i] != ctx->parser->filp) { + DRM_ERROR("UVD handle collision detected!\n"); + return -EINVAL; + } + return 0; + } + } + + DRM_ERROR("Invalid UVD handle 0x%x!\n", handle); + return -ENOENT; + + case 2: /* it's a destroy msg, free the handle */ for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) atomic_cmpxchg(&adev->uvd.handles[i], handle, 0); amdgpu_bo_kunmap(bo); return 0; - } else { - /* it's a create msg */ - amdgpu_bo_kunmap(bo); - - if (msg_type != 0) { - DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type); - return -EINVAL; - } - - /* it's a create msg, no special handling needed */ - } - - /* create or decode, validate the handle */ - for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) { - if (atomic_read(&adev->uvd.handles[i]) == handle) - return 0; - } - /* handle not found try to alloc a new one */ - for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) { - if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) { - adev->uvd.filp[i] = ctx->parser->filp; - return 0; - } + default: + DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type); + return -EINVAL; } - - DRM_ERROR("No more free UVD handles!\n"); + BUG(); return -EINVAL; } @@ -805,10 +819,10 @@ int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx) } static int amdgpu_uvd_free_job( - struct amdgpu_job *sched_job) + struct amdgpu_job *job) { - amdgpu_ib_free(sched_job->adev, sched_job->ibs); - kfree(sched_job->ibs); + amdgpu_ib_free(job->adev, job->ibs); + kfree(job->ibs); return 0; } @@ -905,7 +919,7 @@ int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, &bo); + NULL, NULL, &bo); if (r) return r; @@ -954,7 +968,7 @@ int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, &bo); + NULL, NULL, &bo); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c index 3cab96c42aa8..74f2038ac747 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c @@ -143,7 +143,7 @@ int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size) r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, &adev->vce.vcpu_bo); + NULL, NULL, &adev->vce.vcpu_bo); if (r) { dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r); return r; @@ -342,10 +342,10 @@ void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp) } static int amdgpu_vce_free_job( - struct amdgpu_job *sched_job) + struct amdgpu_job *job) { - amdgpu_ib_free(sched_job->adev, sched_job->ibs); - kfree(sched_job->ibs); + amdgpu_ib_free(job->adev, job->ibs); + kfree(job->ibs); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index f68b7cdc370a..1e14531353e0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -316,12 +316,12 @@ static void amdgpu_vm_update_pages(struct amdgpu_device *adev, } } -int amdgpu_vm_free_job(struct amdgpu_job *sched_job) +int amdgpu_vm_free_job(struct amdgpu_job *job) { int i; - for (i = 0; i < sched_job->num_ibs; i++) - amdgpu_ib_free(sched_job->adev, &sched_job->ibs[i]); - kfree(sched_job->ibs); + for (i = 0; i < job->num_ibs; i++) + amdgpu_ib_free(job->adev, &job->ibs[i]); + kfree(job->ibs); return 0; } @@ -686,31 +686,6 @@ static int amdgpu_vm_update_ptes(struct amdgpu_device *adev, } /** - * amdgpu_vm_fence_pts - fence page tables after an update - * - * @vm: requested vm - * @start: start of GPU address range - * @end: end of GPU address range - * @fence: fence to use - * - * Fence the page tables in the range @start - @end (cayman+). - * - * Global and local mutex must be locked! - */ -static void amdgpu_vm_fence_pts(struct amdgpu_vm *vm, - uint64_t start, uint64_t end, - struct fence *fence) -{ - unsigned i; - - start >>= amdgpu_vm_block_size; - end >>= amdgpu_vm_block_size; - - for (i = start; i <= end; ++i) - amdgpu_bo_fence(vm->page_tables[i].bo, fence, true); -} - -/** * amdgpu_vm_bo_update_mapping - update a mapping in the vm page table * * @adev: amdgpu_device pointer @@ -813,8 +788,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, if (r) goto error_free; - amdgpu_vm_fence_pts(vm, mapping->it.start, - mapping->it.last + 1, f); + amdgpu_bo_fence(vm->page_directory, f, true); if (fence) { fence_put(*fence); *fence = fence_get(f); @@ -855,7 +829,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, int r; if (mem) { - addr = mem->start << PAGE_SHIFT; + addr = (u64)mem->start << PAGE_SHIFT; if (mem->mem_type != TTM_PL_TT) addr += adev->vm_manager.vram_base_offset; } else { @@ -1089,6 +1063,7 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, /* walk over the address space and allocate the page tables */ for (pt_idx = saddr; pt_idx <= eaddr; ++pt_idx) { + struct reservation_object *resv = vm->page_directory->tbo.resv; struct amdgpu_bo *pt; if (vm->page_tables[pt_idx].bo) @@ -1097,11 +1072,13 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, /* drop mutex to allocate and clear page table */ mutex_unlock(&vm->mutex); + ww_mutex_lock(&resv->lock, NULL); r = amdgpu_bo_create(adev, AMDGPU_VM_PTE_COUNT * 8, AMDGPU_GPU_PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_NO_CPU_ACCESS, - NULL, &pt); + NULL, resv, &pt); + ww_mutex_unlock(&resv->lock); if (r) goto error_free; @@ -1303,7 +1280,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm) r = amdgpu_bo_create(adev, pd_size, align, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_NO_CPU_ACCESS, - NULL, &vm->page_directory); + NULL, NULL, &vm->page_directory); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/cz_smc.c b/drivers/gpu/drm/amd/amdgpu/cz_smc.c index a72ffc7d6c26..e33180d3314a 100644 --- a/drivers/gpu/drm/amd/amdgpu/cz_smc.c +++ b/drivers/gpu/drm/amd/amdgpu/cz_smc.c @@ -814,7 +814,8 @@ int cz_smu_init(struct amdgpu_device *adev) * 3. map kernel virtual address */ ret = amdgpu_bo_create(adev, priv->toc_buffer.data_size, PAGE_SIZE, - true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, toc_buf); + true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL, + toc_buf); if (ret) { dev_err(adev->dev, "(%d) SMC TOC buffer allocation failed\n", ret); @@ -822,7 +823,8 @@ int cz_smu_init(struct amdgpu_device *adev) } ret = amdgpu_bo_create(adev, priv->smu_buffer.data_size, PAGE_SIZE, - true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, smu_buf); + true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL, + smu_buf); if (ret) { dev_err(adev->dev, "(%d) SMC Internal buffer allocation failed\n", ret); diff --git a/drivers/gpu/drm/amd/amdgpu/fiji_smc.c b/drivers/gpu/drm/amd/amdgpu/fiji_smc.c index 322edea65857..bda1249eb871 100644 --- a/drivers/gpu/drm/amd/amdgpu/fiji_smc.c +++ b/drivers/gpu/drm/amd/amdgpu/fiji_smc.c @@ -764,7 +764,7 @@ int fiji_smu_init(struct amdgpu_device *adev) ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, toc_buf); + NULL, NULL, toc_buf); if (ret) { DRM_ERROR("Failed to allocate memory for TOC buffer\n"); return -ENOMEM; @@ -774,7 +774,7 @@ int fiji_smu_init(struct amdgpu_device *adev) ret = amdgpu_bo_create(adev, smu_internal_buffer_size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, smu_buf); + NULL, NULL, smu_buf); if (ret) { DRM_ERROR("Failed to allocate memory for SMU internal buffer\n"); return -ENOMEM; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 4bd1e5cf65ca..e992bf2ff66c 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -3206,7 +3206,7 @@ static int gfx_v7_0_mec_init(struct amdgpu_device *adev) r = amdgpu_bo_create(adev, adev->gfx.mec.num_mec *adev->gfx.mec.num_pipe * MEC_HPD_SIZE * 2, PAGE_SIZE, true, - AMDGPU_GEM_DOMAIN_GTT, 0, NULL, + AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL, &adev->gfx.mec.hpd_eop_obj); if (r) { dev_warn(adev->dev, "(%d) create HDP EOP bo failed\n", r); @@ -3373,7 +3373,7 @@ static int gfx_v7_0_cp_compute_resume(struct amdgpu_device *adev) r = amdgpu_bo_create(adev, sizeof(struct bonaire_mqd), PAGE_SIZE, true, - AMDGPU_GEM_DOMAIN_GTT, 0, NULL, + AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL, &ring->mqd_obj); if (r) { dev_warn(adev->dev, "(%d) create MQD bo failed\n", r); @@ -3610,41 +3610,6 @@ static int gfx_v7_0_cp_resume(struct amdgpu_device *adev) return 0; } -static void gfx_v7_0_ce_sync_me(struct amdgpu_ring *ring) -{ - struct amdgpu_device *adev = ring->adev; - u64 gpu_addr = adev->wb.gpu_addr + adev->gfx.ce_sync_offs * 4; - - /* instruct DE to set a magic number */ - amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); - amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) | - WRITE_DATA_DST_SEL(5))); - amdgpu_ring_write(ring, gpu_addr & 0xfffffffc); - amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff); - amdgpu_ring_write(ring, 1); - - /* let CE wait till condition satisfied */ - amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5)); - amdgpu_ring_write(ring, (WAIT_REG_MEM_OPERATION(0) | /* wait */ - WAIT_REG_MEM_MEM_SPACE(1) | /* memory */ - WAIT_REG_MEM_FUNCTION(3) | /* == */ - WAIT_REG_MEM_ENGINE(2))); /* ce */ - amdgpu_ring_write(ring, gpu_addr & 0xfffffffc); - amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff); - amdgpu_ring_write(ring, 1); - amdgpu_ring_write(ring, 0xffffffff); - amdgpu_ring_write(ring, 4); /* poll interval */ - - /* instruct CE to reset wb of ce_sync to zero */ - amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); - amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(2) | - WRITE_DATA_DST_SEL(5) | - WR_CONFIRM)); - amdgpu_ring_write(ring, gpu_addr & 0xfffffffc); - amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff); - amdgpu_ring_write(ring, 0); -} - /* * vm * VMID 0 is the physical GPU addresses as used by the kernel. @@ -3663,6 +3628,13 @@ static void gfx_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring, unsigned vm_id, uint64_t pd_addr) { int usepfp = (ring->type == AMDGPU_RING_TYPE_GFX); + if (usepfp) { + /* synce CE with ME to prevent CE fetch CEIB before context switch done */ + amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); + amdgpu_ring_write(ring, 0); + amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); + amdgpu_ring_write(ring, 0); + } amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) | @@ -3703,7 +3675,10 @@ static void gfx_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring, amdgpu_ring_write(ring, 0x0); /* synce CE with ME to prevent CE fetch CEIB before context switch done */ - gfx_v7_0_ce_sync_me(ring); + amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); + amdgpu_ring_write(ring, 0); + amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); + amdgpu_ring_write(ring, 0); } } @@ -3788,7 +3763,8 @@ static int gfx_v7_0_rlc_init(struct amdgpu_device *adev) r = amdgpu_bo_create(adev, dws * 4, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, &adev->gfx.rlc.save_restore_obj); + NULL, NULL, + &adev->gfx.rlc.save_restore_obj); if (r) { dev_warn(adev->dev, "(%d) create RLC sr bo failed\n", r); return r; @@ -3831,7 +3807,8 @@ static int gfx_v7_0_rlc_init(struct amdgpu_device *adev) r = amdgpu_bo_create(adev, dws * 4, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, &adev->gfx.rlc.clear_state_obj); + NULL, NULL, + &adev->gfx.rlc.clear_state_obj); if (r) { dev_warn(adev->dev, "(%d) create RLC c bo failed\n", r); gfx_v7_0_rlc_fini(adev); @@ -3870,7 +3847,8 @@ static int gfx_v7_0_rlc_init(struct amdgpu_device *adev) r = amdgpu_bo_create(adev, adev->gfx.rlc.cp_table_size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, &adev->gfx.rlc.cp_table_obj); + NULL, NULL, + &adev->gfx.rlc.cp_table_obj); if (r) { dev_warn(adev->dev, "(%d) create RLC cp table bo failed\n", r); gfx_v7_0_rlc_fini(adev); @@ -4802,12 +4780,6 @@ static int gfx_v7_0_sw_init(void *handle) return r; } - r = amdgpu_wb_get(adev, &adev->gfx.ce_sync_offs); - if (r) { - DRM_ERROR("(%d) gfx.ce_sync_offs wb alloc failed\n", r); - return r; - } - for (i = 0; i < adev->gfx.num_gfx_rings; i++) { ring = &adev->gfx.gfx_ring[i]; ring->ring_obj = NULL; @@ -4851,21 +4823,21 @@ static int gfx_v7_0_sw_init(void *handle) r = amdgpu_bo_create(adev, adev->gds.mem.gfx_partition_size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_GDS, 0, - NULL, &adev->gds.gds_gfx_bo); + NULL, NULL, &adev->gds.gds_gfx_bo); if (r) return r; r = amdgpu_bo_create(adev, adev->gds.gws.gfx_partition_size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_GWS, 0, - NULL, &adev->gds.gws_gfx_bo); + NULL, NULL, &adev->gds.gws_gfx_bo); if (r) return r; r = amdgpu_bo_create(adev, adev->gds.oa.gfx_partition_size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_OA, 0, - NULL, &adev->gds.oa_gfx_bo); + NULL, NULL, &adev->gds.oa_gfx_bo); if (r) return r; @@ -4886,8 +4858,6 @@ static int gfx_v7_0_sw_fini(void *handle) for (i = 0; i < adev->gfx.num_compute_rings; i++) amdgpu_ring_fini(&adev->gfx.compute_ring[i]); - amdgpu_wb_free(adev, adev->gfx.ce_sync_offs); - gfx_v7_0_cp_compute_fini(adev); gfx_v7_0_rlc_fini(adev); gfx_v7_0_mec_fini(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 53f07439a512..cb4f68f53f24 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -868,7 +868,7 @@ static int gfx_v8_0_mec_init(struct amdgpu_device *adev) r = amdgpu_bo_create(adev, adev->gfx.mec.num_mec *adev->gfx.mec.num_pipe * MEC_HPD_SIZE * 2, PAGE_SIZE, true, - AMDGPU_GEM_DOMAIN_GTT, 0, NULL, + AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL, &adev->gfx.mec.hpd_eop_obj); if (r) { dev_warn(adev->dev, "(%d) create HDP EOP bo failed\n", r); @@ -940,12 +940,6 @@ static int gfx_v8_0_sw_init(void *handle) return r; } - r = amdgpu_wb_get(adev, &adev->gfx.ce_sync_offs); - if (r) { - DRM_ERROR("(%d) gfx.ce_sync_offs wb alloc failed\n", r); - return r; - } - /* set up the gfx ring */ for (i = 0; i < adev->gfx.num_gfx_rings; i++) { ring = &adev->gfx.gfx_ring[i]; @@ -995,21 +989,21 @@ static int gfx_v8_0_sw_init(void *handle) /* reserve GDS, GWS and OA resource for gfx */ r = amdgpu_bo_create(adev, adev->gds.mem.gfx_partition_size, PAGE_SIZE, true, - AMDGPU_GEM_DOMAIN_GDS, 0, + AMDGPU_GEM_DOMAIN_GDS, 0, NULL, NULL, &adev->gds.gds_gfx_bo); if (r) return r; r = amdgpu_bo_create(adev, adev->gds.gws.gfx_partition_size, PAGE_SIZE, true, - AMDGPU_GEM_DOMAIN_GWS, 0, + AMDGPU_GEM_DOMAIN_GWS, 0, NULL, NULL, &adev->gds.gws_gfx_bo); if (r) return r; r = amdgpu_bo_create(adev, adev->gds.oa.gfx_partition_size, PAGE_SIZE, true, - AMDGPU_GEM_DOMAIN_OA, 0, + AMDGPU_GEM_DOMAIN_OA, 0, NULL, NULL, &adev->gds.oa_gfx_bo); if (r) return r; @@ -1033,8 +1027,6 @@ static int gfx_v8_0_sw_fini(void *handle) for (i = 0; i < adev->gfx.num_compute_rings; i++) amdgpu_ring_fini(&adev->gfx.compute_ring[i]); - amdgpu_wb_free(adev, adev->gfx.ce_sync_offs); - gfx_v8_0_mec_fini(adev); return 0; @@ -3106,7 +3098,7 @@ static int gfx_v8_0_cp_compute_resume(struct amdgpu_device *adev) sizeof(struct vi_mqd), PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, - &ring->mqd_obj); + NULL, &ring->mqd_obj); if (r) { dev_warn(adev->dev, "(%d) create MQD bo failed\n", r); return r; @@ -3965,6 +3957,7 @@ static void gfx_v8_0_ring_emit_fence_gfx(struct amdgpu_ring *ring, u64 addr, DATA_SEL(write64bit ? 2 : 1) | INT_SEL(int_sel ? 2 : 0)); amdgpu_ring_write(ring, lower_32_bits(seq)); amdgpu_ring_write(ring, upper_32_bits(seq)); + } /** @@ -4005,49 +3998,34 @@ static bool gfx_v8_0_ring_emit_semaphore(struct amdgpu_ring *ring, return true; } -static void gfx_v8_0_ce_sync_me(struct amdgpu_ring *ring) +static void gfx_v8_0_ring_emit_vm_flush(struct amdgpu_ring *ring, + unsigned vm_id, uint64_t pd_addr) { - struct amdgpu_device *adev = ring->adev; - u64 gpu_addr = adev->wb.gpu_addr + adev->gfx.ce_sync_offs * 4; - - /* instruct DE to set a magic number */ - amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); - amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) | - WRITE_DATA_DST_SEL(5))); - amdgpu_ring_write(ring, gpu_addr & 0xfffffffc); - amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff); - amdgpu_ring_write(ring, 1); + int usepfp = (ring->type == AMDGPU_RING_TYPE_GFX); + uint32_t seq = ring->fence_drv.sync_seq[ring->idx]; + uint64_t addr = ring->fence_drv.gpu_addr; - /* let CE wait till condition satisfied */ amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5)); - amdgpu_ring_write(ring, (WAIT_REG_MEM_OPERATION(0) | /* wait */ - WAIT_REG_MEM_MEM_SPACE(1) | /* memory */ - WAIT_REG_MEM_FUNCTION(3) | /* == */ - WAIT_REG_MEM_ENGINE(2))); /* ce */ - amdgpu_ring_write(ring, gpu_addr & 0xfffffffc); - amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff); - amdgpu_ring_write(ring, 1); + amdgpu_ring_write(ring, (WAIT_REG_MEM_MEM_SPACE(1) | /* memory */ + WAIT_REG_MEM_FUNCTION(3))); /* equal */ + amdgpu_ring_write(ring, addr & 0xfffffffc); + amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); + amdgpu_ring_write(ring, seq); amdgpu_ring_write(ring, 0xffffffff); amdgpu_ring_write(ring, 4); /* poll interval */ - /* instruct CE to reset wb of ce_sync to zero */ - amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); - amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(2) | - WRITE_DATA_DST_SEL(5) | - WR_CONFIRM)); - amdgpu_ring_write(ring, gpu_addr & 0xfffffffc); - amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff); - amdgpu_ring_write(ring, 0); -} - -static void gfx_v8_0_ring_emit_vm_flush(struct amdgpu_ring *ring, - unsigned vm_id, uint64_t pd_addr) -{ - int usepfp = (ring->type == AMDGPU_RING_TYPE_GFX); + if (usepfp) { + /* synce CE with ME to prevent CE fetch CEIB before context switch done */ + amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); + amdgpu_ring_write(ring, 0); + amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); + amdgpu_ring_write(ring, 0); + } amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) | - WRITE_DATA_DST_SEL(0))); + WRITE_DATA_DST_SEL(0)) | + WR_CONFIRM); if (vm_id < 8) { amdgpu_ring_write(ring, (mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vm_id)); @@ -4083,9 +4061,10 @@ static void gfx_v8_0_ring_emit_vm_flush(struct amdgpu_ring *ring, /* sync PFP to ME, otherwise we might get invalid PFP reads */ amdgpu_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0)); amdgpu_ring_write(ring, 0x0); - - /* synce CE with ME to prevent CE fetch CEIB before context switch done */ - gfx_v8_0_ce_sync_me(ring); + amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); + amdgpu_ring_write(ring, 0); + amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); + amdgpu_ring_write(ring, 0); } } diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c index c900aa942ade..966d4b2ed9da 100644 --- a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c +++ b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c @@ -625,7 +625,7 @@ int iceland_smu_init(struct amdgpu_device *adev) ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, toc_buf); + NULL, NULL, toc_buf); if (ret) { DRM_ERROR("Failed to allocate memory for TOC buffer\n"); return -ENOMEM; diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_smc.c b/drivers/gpu/drm/amd/amdgpu/tonga_smc.c index 1f5ac941a610..5421309c1862 100644 --- a/drivers/gpu/drm/amd/amdgpu/tonga_smc.c +++ b/drivers/gpu/drm/amd/amdgpu/tonga_smc.c @@ -763,7 +763,7 @@ int tonga_smu_init(struct amdgpu_device *adev) ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, toc_buf); + NULL, NULL, toc_buf); if (ret) { DRM_ERROR("Failed to allocate memory for TOC buffer\n"); return -ENOMEM; @@ -773,7 +773,7 @@ int tonga_smu_init(struct amdgpu_device *adev) ret = amdgpu_bo_create(adev, smu_internal_buffer_size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, - NULL, smu_buf); + NULL, NULL, smu_buf); if (ret) { DRM_ERROR("Failed to allocate memory for SMU internal buffer\n"); return -ENOMEM; diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c index 5fac5da694f0..ed50dd725788 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c @@ -224,11 +224,11 @@ static int uvd_v4_2_suspend(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - r = uvd_v4_2_hw_fini(adev); + r = amdgpu_uvd_suspend(adev); if (r) return r; - r = amdgpu_uvd_suspend(adev); + r = uvd_v4_2_hw_fini(adev); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c index 2d5c59c318af..9ad8b9906c0b 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c @@ -220,11 +220,11 @@ static int uvd_v5_0_suspend(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - r = uvd_v5_0_hw_fini(adev); + r = amdgpu_uvd_suspend(adev); if (r) return r; - r = amdgpu_uvd_suspend(adev); + r = uvd_v5_0_hw_fini(adev); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index d9f553fce531..7e9934fa4193 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -214,14 +214,16 @@ static int uvd_v6_0_suspend(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + /* Skip this for APU for now */ + if (!(adev->flags & AMD_IS_APU)) { + r = amdgpu_uvd_suspend(adev); + if (r) + return r; + } r = uvd_v6_0_hw_fini(adev); if (r) return r; - r = amdgpu_uvd_suspend(adev); - if (r) - return r; - return r; } @@ -230,10 +232,12 @@ static int uvd_v6_0_resume(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - r = amdgpu_uvd_resume(adev); - if (r) - return r; - + /* Skip this for APU for now */ + if (!(adev->flags & AMD_IS_APU)) { + r = amdgpu_uvd_resume(adev); + if (r) + return r; + } r = uvd_v6_0_hw_init(adev); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 552d9e75ad1b..b55ceb14fdcd 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -1400,7 +1400,8 @@ static int vi_common_early_init(void *handle) case CHIP_CARRIZO: adev->has_uvd = true; adev->cg_flags = 0; - adev->pg_flags = AMDGPU_PG_SUPPORT_UVD | AMDGPU_PG_SUPPORT_VCE; + /* Disable UVD pg */ + adev->pg_flags = /* AMDGPU_PG_SUPPORT_UVD | */AMDGPU_PG_SUPPORT_VCE; adev->external_rev_id = adev->rev_id + 0x1; if (amdgpu_smc_load_fw && smc_enabled) adev->firmware.smu_load = true; diff --git a/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h new file mode 100644 index 000000000000..144f50acc971 --- /dev/null +++ b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h @@ -0,0 +1,41 @@ +#if !defined(_GPU_SCHED_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _GPU_SCHED_TRACE_H_ + +#include <linux/stringify.h> +#include <linux/types.h> +#include <linux/tracepoint.h> + +#include <drm/drmP.h> + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM gpu_sched +#define TRACE_INCLUDE_FILE gpu_sched_trace + +TRACE_EVENT(amd_sched_job, + TP_PROTO(struct amd_sched_job *sched_job), + TP_ARGS(sched_job), + TP_STRUCT__entry( + __field(struct amd_sched_entity *, entity) + __field(const char *, name) + __field(u32, job_count) + __field(int, hw_job_count) + ), + + TP_fast_assign( + __entry->entity = sched_job->s_entity; + __entry->name = sched_job->sched->name; + __entry->job_count = kfifo_len( + &sched_job->s_entity->job_queue) / sizeof(sched_job); + __entry->hw_job_count = atomic_read( + &sched_job->sched->hw_rq_count); + ), + TP_printk("entity=%p, ring=%s, job count:%u, hw job count:%d", + __entry->entity, __entry->name, __entry->job_count, + __entry->hw_job_count) +); +#endif + +/* This part must be outside protection */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#include <trace/define_trace.h> diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c index 9259f1b6664c..3697eeeecf82 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c @@ -27,6 +27,9 @@ #include <drm/drmP.h> #include "gpu_scheduler.h" +#define CREATE_TRACE_POINTS +#include "gpu_sched_trace.h" + static struct amd_sched_job * amd_sched_entity_pop_job(struct amd_sched_entity *entity); static void amd_sched_wakeup(struct amd_gpu_scheduler *sched); @@ -65,29 +68,29 @@ static struct amd_sched_job * amd_sched_rq_select_job(struct amd_sched_rq *rq) { struct amd_sched_entity *entity; - struct amd_sched_job *job; + struct amd_sched_job *sched_job; spin_lock(&rq->lock); entity = rq->current_entity; if (entity) { list_for_each_entry_continue(entity, &rq->entities, list) { - job = amd_sched_entity_pop_job(entity); - if (job) { + sched_job = amd_sched_entity_pop_job(entity); + if (sched_job) { rq->current_entity = entity; spin_unlock(&rq->lock); - return job; + return sched_job; } } } list_for_each_entry(entity, &rq->entities, list) { - job = amd_sched_entity_pop_job(entity); - if (job) { + sched_job = amd_sched_entity_pop_job(entity); + if (sched_job) { rq->current_entity = entity; spin_unlock(&rq->lock); - return job; + return sched_job; } if (entity == rq->current_entity) @@ -115,23 +118,27 @@ int amd_sched_entity_init(struct amd_gpu_scheduler *sched, struct amd_sched_rq *rq, uint32_t jobs) { + int r; + if (!(sched && entity && rq)) return -EINVAL; memset(entity, 0, sizeof(struct amd_sched_entity)); - entity->belongto_rq = rq; - entity->scheduler = sched; - entity->fence_context = fence_context_alloc(1); - if(kfifo_alloc(&entity->job_queue, - jobs * sizeof(void *), - GFP_KERNEL)) - return -EINVAL; + INIT_LIST_HEAD(&entity->list); + entity->rq = rq; + entity->sched = sched; spin_lock_init(&entity->queue_lock); + r = kfifo_alloc(&entity->job_queue, jobs * sizeof(void *), GFP_KERNEL); + if (r) + return r; + atomic_set(&entity->fence_seq, 0); + entity->fence_context = fence_context_alloc(1); /* Add the entity to the run queue */ amd_sched_rq_add_entity(rq, entity); + return 0; } @@ -146,8 +153,8 @@ int amd_sched_entity_init(struct amd_gpu_scheduler *sched, static bool amd_sched_entity_is_initialized(struct amd_gpu_scheduler *sched, struct amd_sched_entity *entity) { - return entity->scheduler == sched && - entity->belongto_rq != NULL; + return entity->sched == sched && + entity->rq != NULL; } /** @@ -177,7 +184,7 @@ static bool amd_sched_entity_is_idle(struct amd_sched_entity *entity) void amd_sched_entity_fini(struct amd_gpu_scheduler *sched, struct amd_sched_entity *entity) { - struct amd_sched_rq *rq = entity->belongto_rq; + struct amd_sched_rq *rq = entity->rq; if (!amd_sched_entity_is_initialized(sched, entity)) return; @@ -198,22 +205,22 @@ static void amd_sched_entity_wakeup(struct fence *f, struct fence_cb *cb) container_of(cb, struct amd_sched_entity, cb); entity->dependency = NULL; fence_put(f); - amd_sched_wakeup(entity->scheduler); + amd_sched_wakeup(entity->sched); } static struct amd_sched_job * amd_sched_entity_pop_job(struct amd_sched_entity *entity) { - struct amd_gpu_scheduler *sched = entity->scheduler; - struct amd_sched_job *job; + struct amd_gpu_scheduler *sched = entity->sched; + struct amd_sched_job *sched_job; if (ACCESS_ONCE(entity->dependency)) return NULL; - if (!kfifo_out_peek(&entity->job_queue, &job, sizeof(job))) + if (!kfifo_out_peek(&entity->job_queue, &sched_job, sizeof(sched_job))) return NULL; - while ((entity->dependency = sched->ops->dependency(job))) { + while ((entity->dependency = sched->ops->dependency(sched_job))) { if (fence_add_callback(entity->dependency, &entity->cb, amd_sched_entity_wakeup)) @@ -222,32 +229,33 @@ amd_sched_entity_pop_job(struct amd_sched_entity *entity) return NULL; } - return job; + return sched_job; } /** * Helper to submit a job to the job queue * - * @job The pointer to job required to submit + * @sched_job The pointer to job required to submit * * Returns true if we could submit the job. */ -static bool amd_sched_entity_in(struct amd_sched_job *job) +static bool amd_sched_entity_in(struct amd_sched_job *sched_job) { - struct amd_sched_entity *entity = job->s_entity; + struct amd_sched_entity *entity = sched_job->s_entity; bool added, first = false; spin_lock(&entity->queue_lock); - added = kfifo_in(&entity->job_queue, &job, sizeof(job)) == sizeof(job); + added = kfifo_in(&entity->job_queue, &sched_job, + sizeof(sched_job)) == sizeof(sched_job); - if (added && kfifo_len(&entity->job_queue) == sizeof(job)) + if (added && kfifo_len(&entity->job_queue) == sizeof(sched_job)) first = true; spin_unlock(&entity->queue_lock); /* first job wakes up scheduler */ if (first) - amd_sched_wakeup(job->sched); + amd_sched_wakeup(sched_job->sched); return added; } @@ -255,7 +263,7 @@ static bool amd_sched_entity_in(struct amd_sched_job *job) /** * Submit a job to the job queue * - * @job The pointer to job required to submit + * @sched_job The pointer to job required to submit * * Returns 0 for success, negative error code otherwise. */ @@ -271,9 +279,9 @@ int amd_sched_entity_push_job(struct amd_sched_job *sched_job) fence_get(&fence->base); sched_job->s_fence = fence; - wait_event(entity->scheduler->job_scheduled, + wait_event(entity->sched->job_scheduled, amd_sched_entity_in(sched_job)); - + trace_amd_sched_job(sched_job); return 0; } @@ -301,30 +309,28 @@ static void amd_sched_wakeup(struct amd_gpu_scheduler *sched) static struct amd_sched_job * amd_sched_select_job(struct amd_gpu_scheduler *sched) { - struct amd_sched_job *job; + struct amd_sched_job *sched_job; if (!amd_sched_ready(sched)) return NULL; /* Kernel run queue has higher priority than normal run queue*/ - job = amd_sched_rq_select_job(&sched->kernel_rq); - if (job == NULL) - job = amd_sched_rq_select_job(&sched->sched_rq); + sched_job = amd_sched_rq_select_job(&sched->kernel_rq); + if (sched_job == NULL) + sched_job = amd_sched_rq_select_job(&sched->sched_rq); - return job; + return sched_job; } static void amd_sched_process_job(struct fence *f, struct fence_cb *cb) { - struct amd_sched_job *sched_job = - container_of(cb, struct amd_sched_job, cb); - struct amd_gpu_scheduler *sched; + struct amd_sched_fence *s_fence = + container_of(cb, struct amd_sched_fence, cb); + struct amd_gpu_scheduler *sched = s_fence->sched; - sched = sched_job->sched; - amd_sched_fence_signal(sched_job->s_fence); atomic_dec(&sched->hw_rq_count); - fence_put(&sched_job->s_fence->base); - sched->ops->process_job(sched_job); + amd_sched_fence_signal(s_fence); + fence_put(&s_fence->base); wake_up_interruptible(&sched->wake_up_worker); } @@ -338,87 +344,82 @@ static int amd_sched_main(void *param) while (!kthread_should_stop()) { struct amd_sched_entity *entity; - struct amd_sched_job *job; + struct amd_sched_fence *s_fence; + struct amd_sched_job *sched_job; struct fence *fence; wait_event_interruptible(sched->wake_up_worker, kthread_should_stop() || - (job = amd_sched_select_job(sched))); + (sched_job = amd_sched_select_job(sched))); - if (!job) + if (!sched_job) continue; - entity = job->s_entity; + entity = sched_job->s_entity; + s_fence = sched_job->s_fence; atomic_inc(&sched->hw_rq_count); - fence = sched->ops->run_job(job); + fence = sched->ops->run_job(sched_job); if (fence) { - r = fence_add_callback(fence, &job->cb, + r = fence_add_callback(fence, &s_fence->cb, amd_sched_process_job); if (r == -ENOENT) - amd_sched_process_job(fence, &job->cb); + amd_sched_process_job(fence, &s_fence->cb); else if (r) DRM_ERROR("fence add callback failed (%d)\n", r); fence_put(fence); + } else { + DRM_ERROR("Failed to run job!\n"); + amd_sched_process_job(NULL, &s_fence->cb); } - count = kfifo_out(&entity->job_queue, &job, sizeof(job)); - WARN_ON(count != sizeof(job)); + count = kfifo_out(&entity->job_queue, &sched_job, + sizeof(sched_job)); + WARN_ON(count != sizeof(sched_job)); wake_up(&sched->job_scheduled); } return 0; } /** - * Create a gpu scheduler + * Init a gpu scheduler instance * + * @sched The pointer to the scheduler * @ops The backend operations for this scheduler. - * @ring The the ring id for the scheduler. * @hw_submissions Number of hw submissions to do. + * @name Name used for debugging * - * Return the pointer to scheduler for success, otherwise return NULL + * Return 0 on success, otherwise error code. */ -struct amd_gpu_scheduler *amd_sched_create(struct amd_sched_backend_ops *ops, - unsigned ring, unsigned hw_submission, - void *priv) +int amd_sched_init(struct amd_gpu_scheduler *sched, + struct amd_sched_backend_ops *ops, + unsigned hw_submission, const char *name) { - struct amd_gpu_scheduler *sched; - - sched = kzalloc(sizeof(struct amd_gpu_scheduler), GFP_KERNEL); - if (!sched) - return NULL; - sched->ops = ops; - sched->ring_id = ring; sched->hw_submission_limit = hw_submission; - sched->priv = priv; - snprintf(sched->name, sizeof(sched->name), "amdgpu[%d]", ring); + sched->name = name; amd_sched_rq_init(&sched->sched_rq); amd_sched_rq_init(&sched->kernel_rq); init_waitqueue_head(&sched->wake_up_worker); init_waitqueue_head(&sched->job_scheduled); atomic_set(&sched->hw_rq_count, 0); + /* Each scheduler will run on a seperate kernel thread */ sched->thread = kthread_run(amd_sched_main, sched, sched->name); if (IS_ERR(sched->thread)) { - DRM_ERROR("Failed to create scheduler for id %d.\n", ring); - kfree(sched); - return NULL; + DRM_ERROR("Failed to create scheduler for %s.\n", name); + return PTR_ERR(sched->thread); } - return sched; + return 0; } /** * Destroy a gpu scheduler * * @sched The pointer to the scheduler - * - * return 0 if succeed. -1 if failed. */ -int amd_sched_destroy(struct amd_gpu_scheduler *sched) +void amd_sched_fini(struct amd_gpu_scheduler *sched) { kthread_stop(sched->thread); - kfree(sched); - return 0; } diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h index 2af0e4d4d817..80b64dc22214 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h @@ -38,13 +38,15 @@ struct amd_sched_rq; */ struct amd_sched_entity { struct list_head list; - struct amd_sched_rq *belongto_rq; - atomic_t fence_seq; - /* the job_queue maintains the jobs submitted by clients */ - struct kfifo job_queue; + struct amd_sched_rq *rq; + struct amd_gpu_scheduler *sched; + spinlock_t queue_lock; - struct amd_gpu_scheduler *scheduler; + struct kfifo job_queue; + + atomic_t fence_seq; uint64_t fence_context; + struct fence *dependency; struct fence_cb cb; }; @@ -62,13 +64,13 @@ struct amd_sched_rq { struct amd_sched_fence { struct fence base; - struct amd_gpu_scheduler *scheduler; + struct fence_cb cb; + struct amd_gpu_scheduler *sched; spinlock_t lock; void *owner; }; struct amd_sched_job { - struct fence_cb cb; struct amd_gpu_scheduler *sched; struct amd_sched_entity *s_entity; struct amd_sched_fence *s_fence; @@ -91,32 +93,29 @@ static inline struct amd_sched_fence *to_amd_sched_fence(struct fence *f) * these functions should be implemented in driver side */ struct amd_sched_backend_ops { - struct fence *(*dependency)(struct amd_sched_job *job); - struct fence *(*run_job)(struct amd_sched_job *job); - void (*process_job)(struct amd_sched_job *job); + struct fence *(*dependency)(struct amd_sched_job *sched_job); + struct fence *(*run_job)(struct amd_sched_job *sched_job); }; /** * One scheduler is implemented for each hardware ring */ struct amd_gpu_scheduler { - struct task_struct *thread; + struct amd_sched_backend_ops *ops; + uint32_t hw_submission_limit; + const char *name; struct amd_sched_rq sched_rq; struct amd_sched_rq kernel_rq; - atomic_t hw_rq_count; - struct amd_sched_backend_ops *ops; - uint32_t ring_id; wait_queue_head_t wake_up_worker; wait_queue_head_t job_scheduled; - uint32_t hw_submission_limit; - char name[20]; - void *priv; + atomic_t hw_rq_count; + struct task_struct *thread; }; -struct amd_gpu_scheduler * -amd_sched_create(struct amd_sched_backend_ops *ops, - uint32_t ring, uint32_t hw_submission, void *priv); -int amd_sched_destroy(struct amd_gpu_scheduler *sched); +int amd_sched_init(struct amd_gpu_scheduler *sched, + struct amd_sched_backend_ops *ops, + uint32_t hw_submission, const char *name); +void amd_sched_fini(struct amd_gpu_scheduler *sched); int amd_sched_entity_init(struct amd_gpu_scheduler *sched, struct amd_sched_entity *entity, diff --git a/drivers/gpu/drm/amd/scheduler/sched_fence.c b/drivers/gpu/drm/amd/scheduler/sched_fence.c index e62c37920e11..d802638094f4 100644 --- a/drivers/gpu/drm/amd/scheduler/sched_fence.c +++ b/drivers/gpu/drm/amd/scheduler/sched_fence.c @@ -36,7 +36,7 @@ struct amd_sched_fence *amd_sched_fence_create(struct amd_sched_entity *s_entity if (fence == NULL) return NULL; fence->owner = owner; - fence->scheduler = s_entity->scheduler; + fence->sched = s_entity->sched; spin_lock_init(&fence->lock); seq = atomic_inc_return(&s_entity->fence_seq); @@ -63,7 +63,7 @@ static const char *amd_sched_fence_get_driver_name(struct fence *fence) static const char *amd_sched_fence_get_timeline_name(struct fence *f) { struct amd_sched_fence *fence = to_amd_sched_fence(f); - return (const char *)fence->scheduler->name; + return (const char *)fence->sched->name; } static bool amd_sched_fence_enable_signaling(struct fence *f) diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 9a860ca1e9d7..d93e7378c077 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -520,7 +520,8 @@ EXPORT_SYMBOL(drm_ioctl_permit); /** Ioctl table */ static const struct drm_ioctl_desc drm_ioctls[] = { - DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, DRM_UNLOCKED|DRM_RENDER_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, + DRM_UNLOCKED|DRM_RENDER_ALLOW|DRM_CONTROL_ALLOW), DRM_IOCTL_DEF(DRM_IOCTL_GET_UNIQUE, drm_getunique, 0), DRM_IOCTL_DEF(DRM_IOCTL_GET_MAGIC, drm_getmagic, 0), DRM_IOCTL_DEF(DRM_IOCTL_IRQ_BUSID, drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY), diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c index 82be6b86a168..d1e300dcd544 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c @@ -58,7 +58,8 @@ static void fsl_dcu_drm_plane_atomic_disable(struct drm_plane *plane, struct drm_plane_state *old_state) { struct fsl_dcu_drm_device *fsl_dev = plane->dev->dev_private; - unsigned int index, value, ret; + unsigned int value; + int index, ret; index = fsl_dcu_drm_plane_index(plane); if (index < 0) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 5a244ab9395b..39d73dbc1c47 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -640,6 +640,32 @@ static int __intel_get_crtc_scanline(struct intel_crtc *crtc) position = __raw_i915_read32(dev_priv, PIPEDSL(pipe)) & DSL_LINEMASK_GEN3; /* + * On HSW, the DSL reg (0x70000) appears to return 0 if we + * read it just before the start of vblank. So try it again + * so we don't accidentally end up spanning a vblank frame + * increment, causing the pipe_update_end() code to squak at us. + * + * The nature of this problem means we can't simply check the ISR + * bit and return the vblank start value; nor can we use the scanline + * debug register in the transcoder as it appears to have the same + * problem. We may need to extend this to include other platforms, + * but so far testing only shows the problem on HSW. + */ + if (IS_HASWELL(dev) && !position) { + int i, temp; + + for (i = 0; i < 100; i++) { + udelay(1); + temp = __raw_i915_read32(dev_priv, PIPEDSL(pipe)) & + DSL_LINEMASK_GEN3; + if (temp != position) { + position = temp; + break; + } + } + } + + /* * See update_scanline_offset() for the details on the * scanline_offset adjustment. */ diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index 89c1a8ce1f98..2a5c76faf9f8 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -430,7 +430,7 @@ void intel_audio_codec_enable(struct intel_encoder *intel_encoder) /** * intel_audio_codec_disable - Disable the audio codec for HD audio - * @encoder: encoder on which to disable audio + * @intel_encoder: encoder on which to disable audio * * The disable sequences must be performed before disabling the transcoder or * port. diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index b3e437b3bb54..c19e669ffe50 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -42,7 +42,7 @@ find_section(const void *_bdb, int section_id) const struct bdb_header *bdb = _bdb; const u8 *base = _bdb; int index = 0; - u16 total, current_size; + u32 total, current_size; u8 current_id; /* skip to first section */ @@ -57,6 +57,10 @@ find_section(const void *_bdb, int section_id) current_size = *((const u16 *)(base + index)); index += 2; + /* The MIPI Sequence Block v3+ has a separate size field. */ + if (current_id == BDB_MIPI_SEQUENCE && *(base + index) >= 3) + current_size = *((const u32 *)(base + index + 1)); + if (index + current_size > total) return NULL; @@ -799,6 +803,12 @@ parse_mipi(struct drm_i915_private *dev_priv, const struct bdb_header *bdb) return; } + /* Fail gracefully for forward incompatible sequence block. */ + if (sequence->version >= 3) { + DRM_ERROR("Unable to parse MIPI Sequence Block v3+\n"); + return; + } + DRM_DEBUG_DRIVER("Found MIPI sequence block\n"); block_size = get_blocksize(sequence); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 8cc9264f7809..cf418be7d30a 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -15087,9 +15087,12 @@ static void readout_plane_state(struct intel_crtc *crtc, plane_state = to_intel_plane_state(p->base.state); - if (p->base.type == DRM_PLANE_TYPE_PRIMARY) + if (p->base.type == DRM_PLANE_TYPE_PRIMARY) { plane_state->visible = primary_get_hw_state(crtc); - else { + if (plane_state->visible) + crtc->base.state->plane_mask |= + 1 << drm_plane_index(&p->base); + } else { if (active) p->disable_plane(&p->base, &crtc->base); diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c index 87de15ea1f93..b35b5b2db4ec 100644 --- a/drivers/gpu/drm/mgag200/mgag200_fb.c +++ b/drivers/gpu/drm/mgag200/mgag200_fb.c @@ -186,17 +186,19 @@ static int mgag200fb_create(struct drm_fb_helper *helper, sysram = vmalloc(size); if (!sysram) - return -ENOMEM; + goto err_sysram; info = drm_fb_helper_alloc_fbi(helper); - if (IS_ERR(info)) - return PTR_ERR(info); + if (IS_ERR(info)) { + ret = PTR_ERR(info); + goto err_alloc_fbi; + } info->par = mfbdev; ret = mgag200_framebuffer_init(dev, &mfbdev->mfb, &mode_cmd, gobj); if (ret) - return ret; + goto err_framebuffer_init; mfbdev->sysram = sysram; mfbdev->size = size; @@ -225,7 +227,17 @@ static int mgag200fb_create(struct drm_fb_helper *helper, DRM_DEBUG_KMS("allocated %dx%d\n", fb->width, fb->height); + return 0; + +err_framebuffer_init: + drm_fb_helper_release_fbi(helper); +err_alloc_fbi: + vfree(sysram); +err_sysram: + drm_gem_object_unreference_unlocked(gobj); + + return ret; } static int mga_fbdev_destroy(struct drm_device *dev, @@ -276,23 +288,26 @@ int mgag200_fbdev_init(struct mga_device *mdev) ret = drm_fb_helper_init(mdev->dev, &mfbdev->helper, mdev->num_crtc, MGAG200FB_CONN_LIMIT); if (ret) - return ret; + goto err_fb_helper; ret = drm_fb_helper_single_add_all_connectors(&mfbdev->helper); if (ret) - goto fini; + goto err_fb_setup; /* disable all the possible outputs/crtcs before entering KMS mode */ drm_helper_disable_unused_functions(mdev->dev); ret = drm_fb_helper_initial_config(&mfbdev->helper, bpp_sel); if (ret) - goto fini; + goto err_fb_setup; return 0; -fini: +err_fb_setup: drm_fb_helper_fini(&mfbdev->helper); +err_fb_helper: + mdev->mfbdev = NULL; + return ret; } diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c index de06388069e7..b1a0f5656175 100644 --- a/drivers/gpu/drm/mgag200/mgag200_main.c +++ b/drivers/gpu/drm/mgag200/mgag200_main.c @@ -220,7 +220,7 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags) } r = mgag200_mm_init(mdev); if (r) - goto out; + goto err_mm; drm_mode_config_init(dev); dev->mode_config.funcs = (void *)&mga_mode_funcs; @@ -233,7 +233,7 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags) r = mgag200_modeset_init(mdev); if (r) { dev_err(&dev->pdev->dev, "Fatal error during modeset init: %d\n", r); - goto out; + goto err_modeset; } /* Make small buffers to store a hardware cursor (double buffered icon updates) */ @@ -241,20 +241,24 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags) &mdev->cursor.pixels_1); mgag200_bo_create(dev, roundup(48*64, PAGE_SIZE), 0, 0, &mdev->cursor.pixels_2); - if (!mdev->cursor.pixels_2 || !mdev->cursor.pixels_1) - goto cursor_nospace; - mdev->cursor.pixels_current = mdev->cursor.pixels_1; - mdev->cursor.pixels_prev = mdev->cursor.pixels_2; - goto cursor_done; - cursor_nospace: - mdev->cursor.pixels_1 = NULL; - mdev->cursor.pixels_2 = NULL; - dev_warn(&dev->pdev->dev, "Could not allocate space for cursors. Not doing hardware cursors.\n"); - cursor_done: - -out: - if (r) - mgag200_driver_unload(dev); + if (!mdev->cursor.pixels_2 || !mdev->cursor.pixels_1) { + mdev->cursor.pixels_1 = NULL; + mdev->cursor.pixels_2 = NULL; + dev_warn(&dev->pdev->dev, + "Could not allocate space for cursors. Not doing hardware cursors.\n"); + } else { + mdev->cursor.pixels_current = mdev->cursor.pixels_1; + mdev->cursor.pixels_prev = mdev->cursor.pixels_2; + } + + return 0; + +err_modeset: + drm_mode_config_cleanup(dev); + mgag200_mm_fini(mdev); +err_mm: + dev->dev_private = NULL; + return r; } diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 7c6225c84ba6..dd845f82cc24 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -886,13 +886,15 @@ static enum drm_connector_status qxl_conn_detect( drm_connector_to_qxl_output(connector); struct drm_device *ddev = connector->dev; struct qxl_device *qdev = ddev->dev_private; - int connected; + bool connected = false; /* The first monitor is always connected */ - connected = (output->index == 0) || - (qdev->client_monitors_config && - qdev->client_monitors_config->count > output->index && - qxl_head_enabled(&qdev->client_monitors_config->heads[output->index])); + if (!qdev->client_monitors_config) { + if (output->index == 0) + connected = true; + } else + connected = qdev->client_monitors_config->count > output->index && + qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); DRM_DEBUG("#%d connected: %d\n", output->index, connected); if (!connected) diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index d8319dae8358..f3f562f6d848 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1573,10 +1573,12 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon) drm_kms_helper_poll_disable(dev); + drm_modeset_lock_all(dev); /* turn off display hw */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); } + drm_modeset_unlock_all(dev); /* unpin the front buffers and cursors */ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { @@ -1734,9 +1736,11 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon) if (fbcon) { drm_helper_resume_force_mode(dev); /* turn on display hw */ + drm_modeset_lock_all(dev); list_for_each_entry(connector, &dev->mode_config.connector_list, head) { drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); } + drm_modeset_unlock_all(dev); } drm_kms_helper_poll_enable(dev); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 787cd8fd897f..e9115d3f67b0 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2927,6 +2927,7 @@ static struct si_dpm_quirk si_dpm_quirk_list[] = { { PCI_VENDOR_ID_ATI, 0x6810, 0x1462, 0x3036, 0, 120000 }, { PCI_VENDOR_ID_ATI, 0x6811, 0x174b, 0xe271, 0, 120000 }, { PCI_VENDOR_ID_ATI, 0x6810, 0x174b, 0xe271, 85000, 90000 }, + { PCI_VENDOR_ID_ATI, 0x6811, 0x1762, 0x2015, 0, 120000 }, { 0, 0, 0, 0 }, }; diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 8d9b7de25613..745e996d2dbc 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -882,6 +882,8 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, if (ret) return ret; man = &bdev->man[mem_type]; + if (!man->has_type || !man->use_type) + continue; type_ok = ttm_bo_mt_compatible(man, mem_type, place, &cur_flags); @@ -889,6 +891,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, if (!type_ok) continue; + type_found = true; cur_flags = ttm_bo_select_caching(man, bo->mem.placement, cur_flags); /* @@ -901,12 +904,10 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, if (mem_type == TTM_PL_SYSTEM) break; - if (man->has_type && man->use_type) { - type_found = true; - ret = (*man->func->get_node)(man, bo, place, mem); - if (unlikely(ret)) - return ret; - } + ret = (*man->func->get_node)(man, bo, place, mem); + if (unlikely(ret)) + return ret; + if (mem->mm_node) break; } @@ -917,9 +918,6 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, return 0; } - if (!type_found) - return -EINVAL; - for (i = 0; i < placement->num_busy_placement; ++i) { const struct ttm_place *place = &placement->busy_placement[i]; @@ -927,11 +925,12 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, if (ret) return ret; man = &bdev->man[mem_type]; - if (!man->has_type) + if (!man->has_type || !man->use_type) continue; if (!ttm_bo_mt_compatible(man, mem_type, place, &cur_flags)) continue; + type_found = true; cur_flags = ttm_bo_select_caching(man, bo->mem.placement, cur_flags); /* @@ -957,8 +956,13 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, if (ret == -ERESTARTSYS) has_erestartsys = true; } - ret = (has_erestartsys) ? -ERESTARTSYS : -ENOMEM; - return ret; + + if (!type_found) { + printk(KERN_ERR TTM_PFX "No compatible memory type found.\n"); + return -EINVAL; + } + + return (has_erestartsys) ? -ERESTARTSYS : -ENOMEM; } EXPORT_SYMBOL(ttm_bo_mem_space); diff --git a/drivers/gpu/drm/vmwgfx/Kconfig b/drivers/gpu/drm/vmwgfx/Kconfig index 67720f70fe29..b49445df8a7e 100644 --- a/drivers/gpu/drm/vmwgfx/Kconfig +++ b/drivers/gpu/drm/vmwgfx/Kconfig @@ -1,6 +1,6 @@ config DRM_VMWGFX tristate "DRM driver for VMware Virtual GPU" - depends on DRM && PCI + depends on DRM && PCI && X86 select FB_DEFERRED_IO select FB_CFB_FILLRECT select FB_CFB_COPYAREA diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c index ce659a125f2b..092ea81eeff7 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c @@ -311,7 +311,6 @@ static int vmw_cotable_unbind(struct vmw_resource *res, struct vmw_private *dev_priv = res->dev_priv; struct ttm_buffer_object *bo = val_buf->bo; struct vmw_fence_obj *fence; - int ret; if (list_empty(&res->mob_head)) return 0; @@ -328,7 +327,7 @@ static int vmw_cotable_unbind(struct vmw_resource *res, if (likely(fence != NULL)) vmw_fence_obj_unreference(&fence); - return ret; + return 0; } /** diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index e13b20bd9908..2c7a25c71af2 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -752,12 +752,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM); dev_priv->active_master = &dev_priv->fbdev_master; - - dev_priv->mmio_mtrr = arch_phys_wc_add(dev_priv->mmio_start, - dev_priv->mmio_size); - - dev_priv->mmio_virt = ioremap_wc(dev_priv->mmio_start, - dev_priv->mmio_size); + dev_priv->mmio_virt = ioremap_cache(dev_priv->mmio_start, + dev_priv->mmio_size); if (unlikely(dev_priv->mmio_virt == NULL)) { ret = -ENOMEM; @@ -913,7 +909,6 @@ out_no_device: out_err4: iounmap(dev_priv->mmio_virt); out_err3: - arch_phys_wc_del(dev_priv->mmio_mtrr); vmw_ttm_global_release(dev_priv); out_err0: for (i = vmw_res_context; i < vmw_res_max; ++i) @@ -964,7 +959,6 @@ static int vmw_driver_unload(struct drm_device *dev) ttm_object_device_release(&dev_priv->tdev); iounmap(dev_priv->mmio_virt); - arch_phys_wc_del(dev_priv->mmio_mtrr); if (dev_priv->ctx.staged_bindings) vmw_binding_state_free(dev_priv->ctx.staged_bindings); vmw_ttm_global_release(dev_priv); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 6d02de6dc36c..f19fd39b43e1 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -376,7 +376,6 @@ struct vmw_private { uint32_t initial_width; uint32_t initial_height; u32 __iomem *mmio_virt; - int mmio_mtrr; uint32_t capabilities; uint32_t max_gmr_ids; uint32_t max_gmr_pages; @@ -631,7 +630,8 @@ extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv, uint32_t size, bool shareable, uint32_t *handle, - struct vmw_dma_buffer **p_dma_buf); + struct vmw_dma_buffer **p_dma_buf, + struct ttm_base_object **p_base); extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile, struct vmw_dma_buffer *dma_buf, uint32_t *handle); @@ -645,7 +645,8 @@ extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo, uint32_t cur_validate_node); extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo); extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile, - uint32_t id, struct vmw_dma_buffer **out); + uint32_t id, struct vmw_dma_buffer **out, + struct ttm_base_object **base); extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index b56565457c96..5da5de0cb522 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -1236,7 +1236,8 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv, struct vmw_relocation *reloc; int ret; - ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo); + ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo, + NULL); if (unlikely(ret != 0)) { DRM_ERROR("Could not find or use MOB buffer.\n"); ret = -EINVAL; @@ -1296,7 +1297,8 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv, struct vmw_relocation *reloc; int ret; - ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo); + ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo, + NULL); if (unlikely(ret != 0)) { DRM_ERROR("Could not find or use GMR region.\n"); ret = -EINVAL; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 61fb7f3de311..15a6c01cd016 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1685,7 +1685,6 @@ int vmw_kms_helper_dirty(struct vmw_private *dev_priv, struct drm_crtc *crtc; u32 num_units = 0; u32 i, k; - int ret; dirty->dev_priv = dev_priv; @@ -1711,7 +1710,7 @@ int vmw_kms_helper_dirty(struct vmw_private *dev_priv, if (!dirty->cmd) { DRM_ERROR("Couldn't reserve fifo space " "for dirty blits.\n"); - return ret; + return -ENOMEM; } memset(dirty->cmd, 0, dirty->fifo_reserve_size); } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c index 76069f093ccf..222c9c2123a1 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c @@ -484,7 +484,7 @@ int vmw_overlay_ioctl(struct drm_device *dev, void *data, goto out_unlock; } - ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &buf); + ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &buf, NULL); if (ret) goto out_unlock; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index c1912f852b42..e57667ca7557 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -354,7 +354,7 @@ int vmw_user_lookup_handle(struct vmw_private *dev_priv, } *out_surf = NULL; - ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf); + ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf, NULL); return ret; } @@ -481,7 +481,8 @@ int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv, uint32_t size, bool shareable, uint32_t *handle, - struct vmw_dma_buffer **p_dma_buf) + struct vmw_dma_buffer **p_dma_buf, + struct ttm_base_object **p_base) { struct vmw_user_dma_buffer *user_bo; struct ttm_buffer_object *tmp; @@ -515,6 +516,10 @@ int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv, } *p_dma_buf = &user_bo->dma; + if (p_base) { + *p_base = &user_bo->prime.base; + kref_get(&(*p_base)->refcount); + } *handle = user_bo->prime.base.hash.key; out_no_base_object: @@ -631,6 +636,7 @@ int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data, struct vmw_dma_buffer *dma_buf; struct vmw_user_dma_buffer *user_bo; struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; + struct ttm_base_object *buffer_base; int ret; if ((arg->flags & (drm_vmw_synccpu_read | drm_vmw_synccpu_write)) == 0 @@ -643,7 +649,8 @@ int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data, switch (arg->op) { case drm_vmw_synccpu_grab: - ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &dma_buf); + ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &dma_buf, + &buffer_base); if (unlikely(ret != 0)) return ret; @@ -651,6 +658,7 @@ int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data, dma); ret = vmw_user_dmabuf_synccpu_grab(user_bo, tfile, arg->flags); vmw_dmabuf_unreference(&dma_buf); + ttm_base_object_unref(&buffer_base); if (unlikely(ret != 0 && ret != -ERESTARTSYS && ret != -EBUSY)) { DRM_ERROR("Failed synccpu grab on handle 0x%08x.\n", @@ -692,7 +700,8 @@ int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data, return ret; ret = vmw_user_dmabuf_alloc(dev_priv, vmw_fpriv(file_priv)->tfile, - req->size, false, &handle, &dma_buf); + req->size, false, &handle, &dma_buf, + NULL); if (unlikely(ret != 0)) goto out_no_dmabuf; @@ -721,7 +730,8 @@ int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data, } int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile, - uint32_t handle, struct vmw_dma_buffer **out) + uint32_t handle, struct vmw_dma_buffer **out, + struct ttm_base_object **p_base) { struct vmw_user_dma_buffer *vmw_user_bo; struct ttm_base_object *base; @@ -743,7 +753,10 @@ int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile, vmw_user_bo = container_of(base, struct vmw_user_dma_buffer, prime.base); (void)ttm_bo_reference(&vmw_user_bo->dma.base); - ttm_base_object_unref(&base); + if (p_base) + *p_base = base; + else + ttm_base_object_unref(&base); *out = &vmw_user_bo->dma; return 0; @@ -1004,7 +1017,7 @@ int vmw_dumb_create(struct drm_file *file_priv, ret = vmw_user_dmabuf_alloc(dev_priv, vmw_fpriv(file_priv)->tfile, args->size, false, &args->handle, - &dma_buf); + &dma_buf, NULL); if (unlikely(ret != 0)) goto out_no_dmabuf; @@ -1032,7 +1045,7 @@ int vmw_dumb_map_offset(struct drm_file *file_priv, struct vmw_dma_buffer *out_buf; int ret; - ret = vmw_user_dmabuf_lookup(tfile, handle, &out_buf); + ret = vmw_user_dmabuf_lookup(tfile, handle, &out_buf, NULL); if (ret != 0) return -EINVAL; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c index bba1ee395478..fd47547b0234 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c @@ -855,7 +855,7 @@ static int vmw_shader_define(struct drm_device *dev, struct drm_file *file_priv, if (buffer_handle != SVGA3D_INVALID_ID) { ret = vmw_user_dmabuf_lookup(tfile, buffer_handle, - &buffer); + &buffer, NULL); if (unlikely(ret != 0)) { DRM_ERROR("Could not find buffer for shader " "creation.\n"); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c index 3361769842f4..64b50409fa07 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -46,6 +46,7 @@ struct vmw_user_surface { struct vmw_surface srf; uint32_t size; struct drm_master *master; + struct ttm_base_object *backup_base; }; /** @@ -656,6 +657,7 @@ static void vmw_user_surface_base_release(struct ttm_base_object **p_base) struct vmw_resource *res = &user_srf->srf.res; *p_base = NULL; + ttm_base_object_unref(&user_srf->backup_base); vmw_resource_unreference(&res); } @@ -851,7 +853,8 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data, res->backup_size, true, &backup_handle, - &res->backup); + &res->backup, + &user_srf->backup_base); if (unlikely(ret != 0)) { vmw_resource_unreference(&res); goto out_unlock; @@ -1321,7 +1324,8 @@ int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, if (req->buffer_handle != SVGA3D_INVALID_ID) { ret = vmw_user_dmabuf_lookup(tfile, req->buffer_handle, - &res->backup); + &res->backup, + &user_srf->backup_base); if (ret == 0 && res->backup->base.num_pages * PAGE_SIZE < res->backup_size) { DRM_ERROR("Surface backup buffer is too small.\n"); @@ -1335,7 +1339,8 @@ int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, req->drm_surface_flags & drm_vmw_surface_flag_shareable, &backup_handle, - &res->backup); + &res->backup, + &user_srf->backup_base); if (unlikely(ret != 0)) { vmw_resource_unreference(&res); diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index 2f9aead4ecfc..652afd11a9ef 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -204,6 +204,8 @@ void hv_process_channel_removal(struct vmbus_channel *channel, u32 relid) spin_lock_irqsave(&vmbus_connection.channel_lock, flags); list_del(&channel->listentry); spin_unlock_irqrestore(&vmbus_connection.channel_lock, flags); + + primary_channel = channel; } else { primary_channel = channel->primary_channel; spin_lock_irqsave(&primary_channel->lock, flags); @@ -211,6 +213,14 @@ void hv_process_channel_removal(struct vmbus_channel *channel, u32 relid) primary_channel->num_sc--; spin_unlock_irqrestore(&primary_channel->lock, flags); } + + /* + * We need to free the bit for init_vp_index() to work in the case + * of sub-channel, when we reload drivers like hv_netvsc. + */ + cpumask_clear_cpu(channel->target_cpu, + &primary_channel->alloced_cpus_in_node); + free_channel(channel); } @@ -458,6 +468,13 @@ static void init_vp_index(struct vmbus_channel *channel, const uuid_le *type_gui continue; } + /* + * NOTE: in the case of sub-channel, we clear the sub-channel + * related bit(s) in primary->alloced_cpus_in_node in + * hv_process_channel_removal(), so when we reload drivers + * like hv_netvsc in SMP guest, here we're able to re-allocate + * bit from primary->alloced_cpus_in_node. + */ if (!cpumask_test_cpu(cur_cpu, &primary->alloced_cpus_in_node)) { cpumask_set_cpu(cur_cpu, diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 403bd29443b8..aa59037d7504 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -238,8 +238,6 @@ isert_alloc_rx_descriptors(struct isert_conn *isert_conn) rx_sg->lkey = device->pd->local_dma_lkey; } - isert_conn->rx_desc_head = 0; - return 0; dma_map_fail: @@ -634,7 +632,7 @@ static void isert_init_conn(struct isert_conn *isert_conn) { isert_conn->state = ISER_CONN_INIT; - INIT_LIST_HEAD(&isert_conn->accept_node); + INIT_LIST_HEAD(&isert_conn->node); init_completion(&isert_conn->login_comp); init_completion(&isert_conn->login_req_comp); init_completion(&isert_conn->wait); @@ -762,28 +760,15 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) ret = isert_rdma_post_recvl(isert_conn); if (ret) goto out_conn_dev; - /* - * Obtain the second reference now before isert_rdma_accept() to - * ensure that any initiator generated REJECT CM event that occurs - * asynchronously won't drop the last reference until the error path - * in iscsi_target_login_sess_out() does it's ->iscsit_free_conn() -> - * isert_free_conn() -> isert_put_conn() -> kref_put(). - */ - if (!kref_get_unless_zero(&isert_conn->kref)) { - isert_warn("conn %p connect_release is running\n", isert_conn); - goto out_conn_dev; - } ret = isert_rdma_accept(isert_conn); if (ret) goto out_conn_dev; - mutex_lock(&isert_np->np_accept_mutex); - list_add_tail(&isert_conn->accept_node, &isert_np->np_accept_list); - mutex_unlock(&isert_np->np_accept_mutex); + mutex_lock(&isert_np->mutex); + list_add_tail(&isert_conn->node, &isert_np->accepted); + mutex_unlock(&isert_np->mutex); - isert_info("np %p: Allow accept_np to continue\n", np); - up(&isert_np->np_sem); return 0; out_conn_dev: @@ -831,13 +816,21 @@ static void isert_connected_handler(struct rdma_cm_id *cma_id) { struct isert_conn *isert_conn = cma_id->qp->qp_context; + struct isert_np *isert_np = cma_id->context; isert_info("conn %p\n", isert_conn); mutex_lock(&isert_conn->mutex); - if (isert_conn->state != ISER_CONN_FULL_FEATURE) - isert_conn->state = ISER_CONN_UP; + isert_conn->state = ISER_CONN_UP; + kref_get(&isert_conn->kref); mutex_unlock(&isert_conn->mutex); + + mutex_lock(&isert_np->mutex); + list_move_tail(&isert_conn->node, &isert_np->pending); + mutex_unlock(&isert_np->mutex); + + isert_info("np %p: Allow accept_np to continue\n", isert_np); + up(&isert_np->sem); } static void @@ -903,14 +896,14 @@ isert_np_cma_handler(struct isert_np *isert_np, switch (event) { case RDMA_CM_EVENT_DEVICE_REMOVAL: - isert_np->np_cm_id = NULL; + isert_np->cm_id = NULL; break; case RDMA_CM_EVENT_ADDR_CHANGE: - isert_np->np_cm_id = isert_setup_id(isert_np); - if (IS_ERR(isert_np->np_cm_id)) { + isert_np->cm_id = isert_setup_id(isert_np); + if (IS_ERR(isert_np->cm_id)) { isert_err("isert np %p setup id failed: %ld\n", - isert_np, PTR_ERR(isert_np->np_cm_id)); - isert_np->np_cm_id = NULL; + isert_np, PTR_ERR(isert_np->cm_id)); + isert_np->cm_id = NULL; } break; default: @@ -929,7 +922,7 @@ isert_disconnected_handler(struct rdma_cm_id *cma_id, struct isert_conn *isert_conn; bool terminating = false; - if (isert_np->np_cm_id == cma_id) + if (isert_np->cm_id == cma_id) return isert_np_cma_handler(cma_id->context, event); isert_conn = cma_id->qp->qp_context; @@ -945,13 +938,13 @@ isert_disconnected_handler(struct rdma_cm_id *cma_id, if (terminating) goto out; - mutex_lock(&isert_np->np_accept_mutex); - if (!list_empty(&isert_conn->accept_node)) { - list_del_init(&isert_conn->accept_node); + mutex_lock(&isert_np->mutex); + if (!list_empty(&isert_conn->node)) { + list_del_init(&isert_conn->node); isert_put_conn(isert_conn); queue_work(isert_release_wq, &isert_conn->release_work); } - mutex_unlock(&isert_np->np_accept_mutex); + mutex_unlock(&isert_np->mutex); out: return 0; @@ -962,6 +955,7 @@ isert_connect_error(struct rdma_cm_id *cma_id) { struct isert_conn *isert_conn = cma_id->qp->qp_context; + list_del_init(&isert_conn->node); isert_conn->cm_id = NULL; isert_put_conn(isert_conn); @@ -1006,35 +1000,51 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) } static int -isert_post_recv(struct isert_conn *isert_conn, u32 count) +isert_post_recvm(struct isert_conn *isert_conn, u32 count) { struct ib_recv_wr *rx_wr, *rx_wr_failed; int i, ret; - unsigned int rx_head = isert_conn->rx_desc_head; struct iser_rx_desc *rx_desc; for (rx_wr = isert_conn->rx_wr, i = 0; i < count; i++, rx_wr++) { - rx_desc = &isert_conn->rx_descs[rx_head]; - rx_wr->wr_id = (uintptr_t)rx_desc; - rx_wr->sg_list = &rx_desc->rx_sg; - rx_wr->num_sge = 1; - rx_wr->next = rx_wr + 1; - rx_head = (rx_head + 1) & (ISERT_QP_MAX_RECV_DTOS - 1); + rx_desc = &isert_conn->rx_descs[i]; + rx_wr->wr_id = (uintptr_t)rx_desc; + rx_wr->sg_list = &rx_desc->rx_sg; + rx_wr->num_sge = 1; + rx_wr->next = rx_wr + 1; } - rx_wr--; rx_wr->next = NULL; /* mark end of work requests list */ isert_conn->post_recv_buf_count += count; ret = ib_post_recv(isert_conn->qp, isert_conn->rx_wr, - &rx_wr_failed); + &rx_wr_failed); if (ret) { isert_err("ib_post_recv() failed with ret: %d\n", ret); isert_conn->post_recv_buf_count -= count; - } else { - isert_dbg("Posted %d RX buffers\n", count); - isert_conn->rx_desc_head = rx_head; } + + return ret; +} + +static int +isert_post_recv(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc) +{ + struct ib_recv_wr *rx_wr_failed, rx_wr; + int ret; + + rx_wr.wr_id = (uintptr_t)rx_desc; + rx_wr.sg_list = &rx_desc->rx_sg; + rx_wr.num_sge = 1; + rx_wr.next = NULL; + + isert_conn->post_recv_buf_count++; + ret = ib_post_recv(isert_conn->qp, &rx_wr, &rx_wr_failed); + if (ret) { + isert_err("ib_post_recv() failed with ret: %d\n", ret); + isert_conn->post_recv_buf_count--; + } + return ret; } @@ -1205,7 +1215,8 @@ isert_put_login_tx(struct iscsi_conn *conn, struct iscsi_login *login, if (ret) return ret; - ret = isert_post_recv(isert_conn, ISERT_MIN_POSTED_RX); + ret = isert_post_recvm(isert_conn, + ISERT_QP_MAX_RECV_DTOS); if (ret) return ret; @@ -1278,7 +1289,7 @@ isert_rx_login_req(struct isert_conn *isert_conn) } static struct iscsi_cmd -*isert_allocate_cmd(struct iscsi_conn *conn) +*isert_allocate_cmd(struct iscsi_conn *conn, struct iser_rx_desc *rx_desc) { struct isert_conn *isert_conn = conn->context; struct isert_cmd *isert_cmd; @@ -1292,6 +1303,7 @@ static struct iscsi_cmd isert_cmd = iscsit_priv_cmd(cmd); isert_cmd->conn = isert_conn; isert_cmd->iscsi_cmd = cmd; + isert_cmd->rx_desc = rx_desc; return cmd; } @@ -1303,9 +1315,9 @@ isert_handle_scsi_cmd(struct isert_conn *isert_conn, { struct iscsi_conn *conn = isert_conn->conn; struct iscsi_scsi_req *hdr = (struct iscsi_scsi_req *)buf; - struct scatterlist *sg; int imm_data, imm_data_len, unsol_data, sg_nents, rc; bool dump_payload = false; + unsigned int data_len; rc = iscsit_setup_scsi_cmd(conn, cmd, buf); if (rc < 0) @@ -1314,7 +1326,10 @@ isert_handle_scsi_cmd(struct isert_conn *isert_conn, imm_data = cmd->immediate_data; imm_data_len = cmd->first_burst_len; unsol_data = cmd->unsolicited_data; + data_len = cmd->se_cmd.data_length; + if (imm_data && imm_data_len == data_len) + cmd->se_cmd.se_cmd_flags |= SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC; rc = iscsit_process_scsi_cmd(conn, cmd, hdr); if (rc < 0) { return 0; @@ -1326,13 +1341,20 @@ isert_handle_scsi_cmd(struct isert_conn *isert_conn, if (!imm_data) return 0; - sg = &cmd->se_cmd.t_data_sg[0]; - sg_nents = max(1UL, DIV_ROUND_UP(imm_data_len, PAGE_SIZE)); - - isert_dbg("Copying Immediate SG: %p sg_nents: %u from %p imm_data_len: %d\n", - sg, sg_nents, &rx_desc->data[0], imm_data_len); - - sg_copy_from_buffer(sg, sg_nents, &rx_desc->data[0], imm_data_len); + if (imm_data_len != data_len) { + sg_nents = max(1UL, DIV_ROUND_UP(imm_data_len, PAGE_SIZE)); + sg_copy_from_buffer(cmd->se_cmd.t_data_sg, sg_nents, + &rx_desc->data[0], imm_data_len); + isert_dbg("Copy Immediate sg_nents: %u imm_data_len: %d\n", + sg_nents, imm_data_len); + } else { + sg_init_table(&isert_cmd->sg, 1); + cmd->se_cmd.t_data_sg = &isert_cmd->sg; + cmd->se_cmd.t_data_nents = 1; + sg_set_buf(&isert_cmd->sg, &rx_desc->data[0], imm_data_len); + isert_dbg("Transfer Immediate imm_data_len: %d\n", + imm_data_len); + } cmd->write_data_done += imm_data_len; @@ -1407,6 +1429,15 @@ isert_handle_iscsi_dataout(struct isert_conn *isert_conn, if (rc < 0) return rc; + /* + * multiple data-outs on the same command can arrive - + * so post the buffer before hand + */ + rc = isert_post_recv(isert_conn, rx_desc); + if (rc) { + isert_err("ib_post_recv failed with %d\n", rc); + return rc; + } return 0; } @@ -1479,7 +1510,7 @@ isert_rx_opcode(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc, switch (opcode) { case ISCSI_OP_SCSI_CMD: - cmd = isert_allocate_cmd(conn); + cmd = isert_allocate_cmd(conn, rx_desc); if (!cmd) break; @@ -1493,7 +1524,7 @@ isert_rx_opcode(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc, rx_desc, (unsigned char *)hdr); break; case ISCSI_OP_NOOP_OUT: - cmd = isert_allocate_cmd(conn); + cmd = isert_allocate_cmd(conn, rx_desc); if (!cmd) break; @@ -1506,7 +1537,7 @@ isert_rx_opcode(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc, (unsigned char *)hdr); break; case ISCSI_OP_SCSI_TMFUNC: - cmd = isert_allocate_cmd(conn); + cmd = isert_allocate_cmd(conn, rx_desc); if (!cmd) break; @@ -1514,22 +1545,20 @@ isert_rx_opcode(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc, (unsigned char *)hdr); break; case ISCSI_OP_LOGOUT: - cmd = isert_allocate_cmd(conn); + cmd = isert_allocate_cmd(conn, rx_desc); if (!cmd) break; ret = iscsit_handle_logout_cmd(conn, cmd, (unsigned char *)hdr); break; case ISCSI_OP_TEXT: - if (be32_to_cpu(hdr->ttt) != 0xFFFFFFFF) { + if (be32_to_cpu(hdr->ttt) != 0xFFFFFFFF) cmd = iscsit_find_cmd_from_itt(conn, hdr->itt); - if (!cmd) - break; - } else { - cmd = isert_allocate_cmd(conn); - if (!cmd) - break; - } + else + cmd = isert_allocate_cmd(conn, rx_desc); + + if (!cmd) + break; isert_cmd = iscsit_priv_cmd(cmd); ret = isert_handle_text_cmd(isert_conn, isert_cmd, cmd, @@ -1589,7 +1618,7 @@ isert_rcv_completion(struct iser_rx_desc *desc, struct ib_device *ib_dev = isert_conn->cm_id->device; struct iscsi_hdr *hdr; u64 rx_dma; - int rx_buflen, outstanding; + int rx_buflen; if ((char *)desc == isert_conn->login_req_buf) { rx_dma = isert_conn->login_req_dma; @@ -1629,22 +1658,6 @@ isert_rcv_completion(struct iser_rx_desc *desc, DMA_FROM_DEVICE); isert_conn->post_recv_buf_count--; - isert_dbg("Decremented post_recv_buf_count: %d\n", - isert_conn->post_recv_buf_count); - - if ((char *)desc == isert_conn->login_req_buf) - return; - - outstanding = isert_conn->post_recv_buf_count; - if (outstanding + ISERT_MIN_POSTED_RX <= ISERT_QP_MAX_RECV_DTOS) { - int err, count = min(ISERT_QP_MAX_RECV_DTOS - outstanding, - ISERT_MIN_POSTED_RX); - err = isert_post_recv(isert_conn, count); - if (err) { - isert_err("isert_post_recv() count: %d failed, %d\n", - count, err); - } - } } static int @@ -2156,6 +2169,12 @@ isert_post_response(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd) struct ib_send_wr *wr_failed; int ret; + ret = isert_post_recv(isert_conn, isert_cmd->rx_desc); + if (ret) { + isert_err("ib_post_recv failed with %d\n", ret); + return ret; + } + ret = ib_post_send(isert_conn->qp, &isert_cmd->tx_desc.send_wr, &wr_failed); if (ret) { @@ -2950,6 +2969,12 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd) &isert_cmd->tx_desc.send_wr); isert_cmd->rdma_wr.s_send_wr.next = &isert_cmd->tx_desc.send_wr; wr->send_wr_num += 1; + + rc = isert_post_recv(isert_conn, isert_cmd->rx_desc); + if (rc) { + isert_err("ib_post_recv failed with %d\n", rc); + return rc; + } } rc = ib_post_send(isert_conn->qp, wr->send_wr, &wr_failed); @@ -2999,9 +3024,16 @@ isert_get_dataout(struct iscsi_conn *conn, struct iscsi_cmd *cmd, bool recovery) static int isert_immediate_queue(struct iscsi_conn *conn, struct iscsi_cmd *cmd, int state) { - int ret; + struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd); + int ret = 0; switch (state) { + case ISTATE_REMOVE: + spin_lock_bh(&conn->cmd_lock); + list_del_init(&cmd->i_conn_node); + spin_unlock_bh(&conn->cmd_lock); + isert_put_cmd(isert_cmd, true); + break; case ISTATE_SEND_NOPIN_WANT_RESPONSE: ret = isert_put_nopin(cmd, conn, false); break; @@ -3106,10 +3138,10 @@ isert_setup_np(struct iscsi_np *np, isert_err("Unable to allocate struct isert_np\n"); return -ENOMEM; } - sema_init(&isert_np->np_sem, 0); - mutex_init(&isert_np->np_accept_mutex); - INIT_LIST_HEAD(&isert_np->np_accept_list); - init_completion(&isert_np->np_login_comp); + sema_init(&isert_np->sem, 0); + mutex_init(&isert_np->mutex); + INIT_LIST_HEAD(&isert_np->accepted); + INIT_LIST_HEAD(&isert_np->pending); isert_np->np = np; /* @@ -3125,7 +3157,7 @@ isert_setup_np(struct iscsi_np *np, goto out; } - isert_np->np_cm_id = isert_lid; + isert_np->cm_id = isert_lid; np->np_context = isert_np; return 0; @@ -3214,7 +3246,7 @@ isert_accept_np(struct iscsi_np *np, struct iscsi_conn *conn) int ret; accept_wait: - ret = down_interruptible(&isert_np->np_sem); + ret = down_interruptible(&isert_np->sem); if (ret) return -ENODEV; @@ -3231,15 +3263,15 @@ accept_wait: } spin_unlock_bh(&np->np_thread_lock); - mutex_lock(&isert_np->np_accept_mutex); - if (list_empty(&isert_np->np_accept_list)) { - mutex_unlock(&isert_np->np_accept_mutex); + mutex_lock(&isert_np->mutex); + if (list_empty(&isert_np->pending)) { + mutex_unlock(&isert_np->mutex); goto accept_wait; } - isert_conn = list_first_entry(&isert_np->np_accept_list, - struct isert_conn, accept_node); - list_del_init(&isert_conn->accept_node); - mutex_unlock(&isert_np->np_accept_mutex); + isert_conn = list_first_entry(&isert_np->pending, + struct isert_conn, node); + list_del_init(&isert_conn->node); + mutex_unlock(&isert_np->mutex); conn->context = isert_conn; isert_conn->conn = conn; @@ -3257,28 +3289,39 @@ isert_free_np(struct iscsi_np *np) struct isert_np *isert_np = np->np_context; struct isert_conn *isert_conn, *n; - if (isert_np->np_cm_id) - rdma_destroy_id(isert_np->np_cm_id); + if (isert_np->cm_id) + rdma_destroy_id(isert_np->cm_id); /* * FIXME: At this point we don't have a good way to insure * that at this point we don't have hanging connections that * completed RDMA establishment but didn't start iscsi login * process. So work-around this by cleaning up what ever piled - * up in np_accept_list. + * up in accepted and pending lists. */ - mutex_lock(&isert_np->np_accept_mutex); - if (!list_empty(&isert_np->np_accept_list)) { - isert_info("Still have isert connections, cleaning up...\n"); + mutex_lock(&isert_np->mutex); + if (!list_empty(&isert_np->pending)) { + isert_info("Still have isert pending connections\n"); + list_for_each_entry_safe(isert_conn, n, + &isert_np->pending, + node) { + isert_info("cleaning isert_conn %p state (%d)\n", + isert_conn, isert_conn->state); + isert_connect_release(isert_conn); + } + } + + if (!list_empty(&isert_np->accepted)) { + isert_info("Still have isert accepted connections\n"); list_for_each_entry_safe(isert_conn, n, - &isert_np->np_accept_list, - accept_node) { + &isert_np->accepted, + node) { isert_info("cleaning isert_conn %p state (%d)\n", isert_conn, isert_conn->state); isert_connect_release(isert_conn); } } - mutex_unlock(&isert_np->np_accept_mutex); + mutex_unlock(&isert_np->mutex); np->np_context = NULL; kfree(isert_np); @@ -3345,6 +3388,41 @@ isert_wait4flush(struct isert_conn *isert_conn) wait_for_completion(&isert_conn->wait_comp_err); } +/** + * isert_put_unsol_pending_cmds() - Drop commands waiting for + * unsolicitate dataout + * @conn: iscsi connection + * + * We might still have commands that are waiting for unsolicited + * dataouts messages. We must put the extra reference on those + * before blocking on the target_wait_for_session_cmds + */ +static void +isert_put_unsol_pending_cmds(struct iscsi_conn *conn) +{ + struct iscsi_cmd *cmd, *tmp; + static LIST_HEAD(drop_cmd_list); + + spin_lock_bh(&conn->cmd_lock); + list_for_each_entry_safe(cmd, tmp, &conn->conn_cmd_list, i_conn_node) { + if ((cmd->cmd_flags & ICF_NON_IMMEDIATE_UNSOLICITED_DATA) && + (cmd->write_data_done < conn->sess->sess_ops->FirstBurstLength) && + (cmd->write_data_done < cmd->se_cmd.data_length)) + list_move_tail(&cmd->i_conn_node, &drop_cmd_list); + } + spin_unlock_bh(&conn->cmd_lock); + + list_for_each_entry_safe(cmd, tmp, &drop_cmd_list, i_conn_node) { + list_del_init(&cmd->i_conn_node); + if (cmd->i_state != ISTATE_REMOVE) { + struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd); + + isert_info("conn %p dropping cmd %p\n", conn, cmd); + isert_put_cmd(isert_cmd, true); + } + } +} + static void isert_wait_conn(struct iscsi_conn *conn) { struct isert_conn *isert_conn = conn->context; @@ -3363,8 +3441,9 @@ static void isert_wait_conn(struct iscsi_conn *conn) isert_conn_terminate(isert_conn); mutex_unlock(&isert_conn->mutex); - isert_wait4cmds(conn); isert_wait4flush(isert_conn); + isert_put_unsol_pending_cmds(conn); + isert_wait4cmds(conn); isert_wait4logout(isert_conn); queue_work(isert_release_wq, &isert_conn->release_work); diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h index 6a04ba3c0f72..c5b99bcecbcf 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.h +++ b/drivers/infiniband/ulp/isert/ib_isert.h @@ -113,7 +113,6 @@ enum { }; struct isert_rdma_wr { - struct list_head wr_list; struct isert_cmd *isert_cmd; enum iser_ib_op_code iser_ib_op; struct ib_sge *ib_sge; @@ -134,14 +133,13 @@ struct isert_cmd { uint64_t write_va; u64 pdu_buf_dma; u32 pdu_buf_len; - u32 read_va_off; - u32 write_va_off; - u32 rdma_wr_num; struct isert_conn *conn; struct iscsi_cmd *iscsi_cmd; struct iser_tx_desc tx_desc; + struct iser_rx_desc *rx_desc; struct isert_rdma_wr rdma_wr; struct work_struct comp_work; + struct scatterlist sg; }; struct isert_device; @@ -159,11 +157,10 @@ struct isert_conn { u64 login_req_dma; int login_req_len; u64 login_rsp_dma; - unsigned int rx_desc_head; struct iser_rx_desc *rx_descs; - struct ib_recv_wr rx_wr[ISERT_MIN_POSTED_RX]; + struct ib_recv_wr rx_wr[ISERT_QP_MAX_RECV_DTOS]; struct iscsi_conn *conn; - struct list_head accept_node; + struct list_head node; struct completion login_comp; struct completion login_req_comp; struct iser_tx_desc login_tx_desc; @@ -222,9 +219,9 @@ struct isert_device { struct isert_np { struct iscsi_np *np; - struct semaphore np_sem; - struct rdma_cm_id *np_cm_id; - struct mutex np_accept_mutex; - struct list_head np_accept_list; - struct completion np_login_comp; + struct semaphore sem; + struct rdma_cm_id *cm_id; + struct mutex mutex; + struct list_head accepted; + struct list_head pending; }; diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index d60c88df5234..4b3b6f8aff0c 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -968,7 +968,8 @@ static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone); /* * Generate a new unfragmented bio with the given size - * This should never violate the device limitations + * This should never violate the device limitations (but only because + * max_segment_size is being constrained to PAGE_SIZE). * * This function may be called concurrently. If we allocate from the mempool * concurrently, there is a possibility of deadlock. For example, if we have @@ -2045,9 +2046,20 @@ static int crypt_iterate_devices(struct dm_target *ti, return fn(ti, cc->dev, cc->start, ti->len, data); } +static void crypt_io_hints(struct dm_target *ti, struct queue_limits *limits) +{ + /* + * Unfortunate constraint that is required to avoid the potential + * for exceeding underlying device's max_segments limits -- due to + * crypt_alloc_buffer() possibly allocating pages for the encryption + * bio that are not as physically contiguous as the original bio. + */ + limits->max_segment_size = PAGE_SIZE; +} + static struct target_type crypt_target = { .name = "crypt", - .version = {1, 14, 0}, + .version = {1, 14, 1}, .module = THIS_MODULE, .ctr = crypt_ctr, .dtr = crypt_dtr, @@ -2058,6 +2070,7 @@ static struct target_type crypt_target = { .resume = crypt_resume, .message = crypt_message, .iterate_devices = crypt_iterate_devices, + .io_hints = crypt_io_hints, }; static int __init dm_crypt_init(void) diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 6578b7bc1fbb..6fcbfb063366 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -4249,6 +4249,10 @@ static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits) { struct thin_c *tc = ti->private; struct pool *pool = tc->pool; + struct queue_limits *pool_limits = dm_get_queue_limits(pool->pool_md); + + if (!pool_limits->discard_granularity) + return; /* pool's discard support is disabled */ limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT; limits->max_discard_sectors = 2048 * 1024 * 16; /* 16G */ diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c index 25868c2ec03e..02006f7109a8 100644 --- a/drivers/misc/cxl/sysfs.c +++ b/drivers/misc/cxl/sysfs.c @@ -592,6 +592,8 @@ int cxl_sysfs_afu_add(struct cxl_afu *afu) /* conditionally create the add the binary file for error info buffer */ if (afu->eb_len) { + sysfs_attr_init(&afu->attr_eb.attr); + afu->attr_eb.attr.name = "afu_err_buff"; afu->attr_eb.attr.mode = S_IRUGO; afu->attr_eb.size = afu->eb_len; diff --git a/drivers/misc/mei/debugfs.c b/drivers/misc/mei/debugfs.c index 4b469cf9e60f..8504dbeacd3b 100644 --- a/drivers/misc/mei/debugfs.c +++ b/drivers/misc/mei/debugfs.c @@ -204,6 +204,8 @@ int mei_dbgfs_register(struct mei_device *dev, const char *name) if (!dir) return -ENOMEM; + dev->dbgfs_dir = dir; + f = debugfs_create_file("meclients", S_IRUSR, dir, dev, &mei_dbgfs_fops_meclients); if (!f) { @@ -228,7 +230,6 @@ int mei_dbgfs_register(struct mei_device *dev, const char *name) dev_err(dev->dev, "allow_fixed_address: registration failed\n"); goto err; } - dev->dbgfs_dir = dir; return 0; err: mei_dbgfs_deregister(dev); diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c index 10f71c732b59..816d0e94961c 100644 --- a/drivers/net/arcnet/arcnet.c +++ b/drivers/net/arcnet/arcnet.c @@ -326,7 +326,7 @@ static void arcdev_setup(struct net_device *dev) dev->type = ARPHRD_ARCNET; dev->netdev_ops = &arcnet_netdev_ops; dev->header_ops = &arcnet_header_ops; - dev->hard_header_len = sizeof(struct archdr); + dev->hard_header_len = sizeof(struct arc_hardware); dev->mtu = choose_mtu(); dev->addr_len = ARCNET_ALEN; diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index 6f13f7206762..f8baa897d1a0 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -2000,6 +2000,7 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port) */ reg = _mv88e6xxx_reg_read(ds, REG_PORT(port), PORT_PCS_CTRL); if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port)) { + reg &= ~PORT_PCS_CTRL_UNFORCED; reg |= PORT_PCS_CTRL_FORCE_LINK | PORT_PCS_CTRL_LINK_UP | PORT_PCS_CTRL_DUPLEX_FULL | diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c index cfa37041ab71..c4bb8027b3fb 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c @@ -689,16 +689,24 @@ static int xgene_enet_phy_connect(struct net_device *ndev) netdev_dbg(ndev, "No phy-handle found in DT\n"); return -ENODEV; } - pdata->phy_dev = of_phy_find_device(phy_np); - } - phy_dev = pdata->phy_dev; + phy_dev = of_phy_connect(ndev, phy_np, &xgene_enet_adjust_link, + 0, pdata->phy_mode); + if (!phy_dev) { + netdev_err(ndev, "Could not connect to PHY\n"); + return -ENODEV; + } + + pdata->phy_dev = phy_dev; + } else { + phy_dev = pdata->phy_dev; - if (!phy_dev || - phy_connect_direct(ndev, phy_dev, &xgene_enet_adjust_link, - pdata->phy_mode)) { - netdev_err(ndev, "Could not connect to PHY\n"); - return -ENODEV; + if (!phy_dev || + phy_connect_direct(ndev, phy_dev, &xgene_enet_adjust_link, + pdata->phy_mode)) { + netdev_err(ndev, "Could not connect to PHY\n"); + return -ENODEV; + } } pdata->phy_speed = SPEED_UNKNOWN; diff --git a/drivers/net/ethernet/arc/emac_arc.c b/drivers/net/ethernet/arc/emac_arc.c index f9cb99bfb511..ffd180570920 100644 --- a/drivers/net/ethernet/arc/emac_arc.c +++ b/drivers/net/ethernet/arc/emac_arc.c @@ -78,6 +78,7 @@ static const struct of_device_id emac_arc_dt_ids[] = { { .compatible = "snps,arc-emac" }, { /* Sentinel */ } }; +MODULE_DEVICE_TABLE(of, emac_arc_dt_ids); static struct platform_driver emac_arc_driver = { .probe = emac_arc_probe, diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index b9a5a97ed4dd..f1b5364f3521 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -2079,6 +2079,7 @@ static const struct of_device_id bcm_sysport_of_match[] = { { .compatible = "brcm,systemport" }, { /* sentinel */ } }; +MODULE_DEVICE_TABLE(of, bcm_sysport_of_match); static struct platform_driver bcm_sysport_driver = { .probe = bcm_sysport_probe, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index ba936635322a..b5e64b02200c 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -1946,6 +1946,7 @@ struct bnx2x { u16 vlan_cnt; u16 vlan_credit; u16 vxlan_dst_port; + u8 vxlan_dst_port_count; bool accept_any_vlan; }; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index e3da2bddf143..f1d62d5dbaff 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -3705,16 +3705,14 @@ out: void bnx2x_update_mfw_dump(struct bnx2x *bp) { - struct timeval epoc; u32 drv_ver; u32 valid_dump; if (!SHMEM2_HAS(bp, drv_info)) return; - /* Update Driver load time */ - do_gettimeofday(&epoc); - SHMEM2_WR(bp, drv_info.epoc, epoc.tv_sec); + /* Update Driver load time, possibly broken in y2038 */ + SHMEM2_WR(bp, drv_info.epoc, (u32)ktime_get_real_seconds()); drv_ver = bnx2x_update_mng_version_utility(DRV_MODULE_VERSION, true); SHMEM2_WR(bp, drv_info.drv_ver, drv_ver); @@ -10110,12 +10108,18 @@ static void __bnx2x_add_vxlan_port(struct bnx2x *bp, u16 port) if (!netif_running(bp->dev)) return; - if (bp->vxlan_dst_port || !IS_PF(bp)) { + if (bp->vxlan_dst_port_count && bp->vxlan_dst_port == port) { + bp->vxlan_dst_port_count++; + return; + } + + if (bp->vxlan_dst_port_count || !IS_PF(bp)) { DP(BNX2X_MSG_SP, "Vxlan destination port limit reached\n"); return; } bp->vxlan_dst_port = port; + bp->vxlan_dst_port_count = 1; bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_ADD_VXLAN_PORT, 0); } @@ -10130,10 +10134,14 @@ static void bnx2x_add_vxlan_port(struct net_device *netdev, static void __bnx2x_del_vxlan_port(struct bnx2x *bp, u16 port) { - if (!bp->vxlan_dst_port || bp->vxlan_dst_port != port || !IS_PF(bp)) { + if (!bp->vxlan_dst_port_count || bp->vxlan_dst_port != port || + !IS_PF(bp)) { DP(BNX2X_MSG_SP, "Invalid vxlan port\n"); return; } + bp->vxlan_dst_port--; + if (bp->vxlan_dst_port) + return; if (netif_running(bp->dev)) { bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_DEL_VXLAN_PORT, 0); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c index c9bd7f16018e..ff702a707a91 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c @@ -4319,8 +4319,16 @@ static int bnx2x_setup_rss(struct bnx2x *bp, /* RSS keys */ if (test_bit(BNX2X_RSS_SET_SRCH, &p->rss_flags)) { - memcpy(&data->rss_key[0], &p->rss_key[0], - sizeof(data->rss_key)); + u8 *dst = (u8 *)(data->rss_key) + sizeof(data->rss_key); + const u8 *src = (const u8 *)p->rss_key; + int i; + + /* Apparently, bnx2x reads this array in reverse order + * We need to byte swap rss_key to comply with Toeplitz specs. + */ + for (i = 0; i < sizeof(data->rss_key); i++) + *--dst = *src++; + caps |= ETH_RSS_UPDATE_RAMROD_DATA_UPDATE_RSS_KEY; } diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index fadbd0088d3e..3bc701e4c59e 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -3155,6 +3155,7 @@ static const struct of_device_id bcmgenet_match[] = { { .compatible = "brcm,genet-v4", .data = (void *)GENET_V4 }, { }, }; +MODULE_DEVICE_TABLE(of, bcmgenet_match); static int bcmgenet_probe(struct platform_device *pdev) { diff --git a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c index 5d0753cc7e73..04b0d16b210e 100644 --- a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c +++ b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c @@ -2400,6 +2400,7 @@ bna_rx_create(struct bna *bna, struct bnad *bnad, q0->rcb->id = 0; q0->rx_packets = q0->rx_bytes = 0; q0->rx_packets_with_error = q0->rxbuf_alloc_failed = 0; + q0->rxbuf_map_failed = 0; bna_rxq_qpt_setup(q0, rxp, dpage_count, PAGE_SIZE, &dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[i]); @@ -2428,6 +2429,7 @@ bna_rx_create(struct bna *bna, struct bnad *bnad, : rx_cfg->q1_buf_size; q1->rx_packets = q1->rx_bytes = 0; q1->rx_packets_with_error = q1->rxbuf_alloc_failed = 0; + q1->rxbuf_map_failed = 0; bna_rxq_qpt_setup(q1, rxp, hpage_count, PAGE_SIZE, &hqpt_mem[i], &hsqpt_mem[i], diff --git a/drivers/net/ethernet/brocade/bna/bna_types.h b/drivers/net/ethernet/brocade/bna/bna_types.h index e0e797f2ea14..c438d032e8bf 100644 --- a/drivers/net/ethernet/brocade/bna/bna_types.h +++ b/drivers/net/ethernet/brocade/bna/bna_types.h @@ -587,6 +587,7 @@ struct bna_rxq { u64 rx_bytes; u64 rx_packets_with_error; u64 rxbuf_alloc_failed; + u64 rxbuf_map_failed; }; /* RxQ pair */ diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index 506047c38607..21a0cfc3e7ec 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -399,7 +399,13 @@ bnad_rxq_refill_page(struct bnad *bnad, struct bna_rcb *rcb, u32 nalloc) } dma_addr = dma_map_page(&bnad->pcidev->dev, page, page_offset, - unmap_q->map_size, DMA_FROM_DEVICE); + unmap_q->map_size, DMA_FROM_DEVICE); + if (dma_mapping_error(&bnad->pcidev->dev, dma_addr)) { + put_page(page); + BNAD_UPDATE_CTR(bnad, rxbuf_map_failed); + rcb->rxq->rxbuf_map_failed++; + goto finishing; + } unmap->page = page; unmap->page_offset = page_offset; @@ -454,8 +460,15 @@ bnad_rxq_refill_skb(struct bnad *bnad, struct bna_rcb *rcb, u32 nalloc) rcb->rxq->rxbuf_alloc_failed++; goto finishing; } + dma_addr = dma_map_single(&bnad->pcidev->dev, skb->data, buff_sz, DMA_FROM_DEVICE); + if (dma_mapping_error(&bnad->pcidev->dev, dma_addr)) { + dev_kfree_skb_any(skb); + BNAD_UPDATE_CTR(bnad, rxbuf_map_failed); + rcb->rxq->rxbuf_map_failed++; + goto finishing; + } unmap->skb = skb; dma_unmap_addr_set(&unmap->vector, dma_addr, dma_addr); @@ -3025,6 +3038,11 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev) unmap = head_unmap; dma_addr = dma_map_single(&bnad->pcidev->dev, skb->data, len, DMA_TO_DEVICE); + if (dma_mapping_error(&bnad->pcidev->dev, dma_addr)) { + dev_kfree_skb_any(skb); + BNAD_UPDATE_CTR(bnad, tx_skb_map_failed); + return NETDEV_TX_OK; + } BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[0].host_addr); txqent->vector[0].length = htons(len); dma_unmap_addr_set(&unmap->vectors[0], dma_addr, dma_addr); @@ -3056,6 +3074,15 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev) dma_addr = skb_frag_dma_map(&bnad->pcidev->dev, frag, 0, size, DMA_TO_DEVICE); + if (dma_mapping_error(&bnad->pcidev->dev, dma_addr)) { + /* Undo the changes starting at tcb->producer_index */ + bnad_tx_buff_unmap(bnad, unmap_q, q_depth, + tcb->producer_index); + dev_kfree_skb_any(skb); + BNAD_UPDATE_CTR(bnad, tx_skb_map_failed); + return NETDEV_TX_OK; + } + dma_unmap_len_set(&unmap->vectors[vect_id], dma_len, size); BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[vect_id].host_addr); txqent->vector[vect_id].length = htons(size); diff --git a/drivers/net/ethernet/brocade/bna/bnad.h b/drivers/net/ethernet/brocade/bna/bnad.h index faedbf24777e..f4ed816b93ee 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.h +++ b/drivers/net/ethernet/brocade/bna/bnad.h @@ -175,6 +175,7 @@ struct bnad_drv_stats { u64 tx_skb_headlen_zero; u64 tx_skb_frag_zero; u64 tx_skb_len_mismatch; + u64 tx_skb_map_failed; u64 hw_stats_updates; u64 netif_rx_dropped; @@ -189,6 +190,7 @@ struct bnad_drv_stats { u64 rx_unmap_q_alloc_failed; u64 rxbuf_alloc_failed; + u64 rxbuf_map_failed; }; /* Complete driver stats */ diff --git a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c index 2bdfc5dff4b1..0e4fdc3dd729 100644 --- a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c +++ b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c @@ -90,6 +90,7 @@ static const char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = { "tx_skb_headlen_zero", "tx_skb_frag_zero", "tx_skb_len_mismatch", + "tx_skb_map_failed", "hw_stats_updates", "netif_rx_dropped", @@ -102,6 +103,7 @@ static const char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = { "tx_unmap_q_alloc_failed", "rx_unmap_q_alloc_failed", "rxbuf_alloc_failed", + "rxbuf_map_failed", "mac_stats_clr_cnt", "mac_frame_64", @@ -807,6 +809,7 @@ bnad_per_q_stats_fill(struct bnad *bnad, u64 *buf, int bi) rx_packets_with_error; buf[bi++] = rcb->rxq-> rxbuf_alloc_failed; + buf[bi++] = rcb->rxq->rxbuf_map_failed; buf[bi++] = rcb->producer_index; buf[bi++] = rcb->consumer_index; } @@ -821,6 +824,7 @@ bnad_per_q_stats_fill(struct bnad *bnad, u64 *buf, int bi) rx_packets_with_error; buf[bi++] = rcb->rxq-> rxbuf_alloc_failed; + buf[bi++] = rcb->rxq->rxbuf_map_failed; buf[bi++] = rcb->producer_index; buf[bi++] = rcb->consumer_index; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h index 8353a6cbfcc2..03ed00c49823 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h @@ -157,6 +157,11 @@ CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN CH_PCI_ID_TABLE_FENTRY(0x5090), /* Custom T540-CR */ CH_PCI_ID_TABLE_FENTRY(0x5091), /* Custom T522-CR */ CH_PCI_ID_TABLE_FENTRY(0x5092), /* Custom T520-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5093), /* Custom T580-LP-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5094), /* Custom T540-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5095), /* Custom T540-CR-SO */ + CH_PCI_ID_TABLE_FENTRY(0x5096), /* Custom T580-CR */ + CH_PCI_ID_TABLE_FENTRY(0x5097), /* Custom T520-KR */ /* T6 adapters: */ diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 0a27805cbbbd..821540913343 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -582,6 +582,7 @@ struct be_adapter { u16 pvid; __be16 vxlan_port; int vxlan_port_count; + int vxlan_port_aliases; struct phy_info phy; u8 wol_cap; bool wol_en; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 12687bf52b95..7bf51a1a0a77 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -5176,6 +5176,11 @@ static void be_add_vxlan_port(struct net_device *netdev, sa_family_t sa_family, if (lancer_chip(adapter) || BEx_chip(adapter) || be_is_mc(adapter)) return; + if (adapter->vxlan_port == port && adapter->vxlan_port_count) { + adapter->vxlan_port_aliases++; + return; + } + if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) { dev_info(dev, "Only one UDP port supported for VxLAN offloads\n"); @@ -5226,6 +5231,11 @@ static void be_del_vxlan_port(struct net_device *netdev, sa_family_t sa_family, if (adapter->vxlan_port != port) goto done; + if (adapter->vxlan_port_aliases) { + adapter->vxlan_port_aliases--; + return; + } + be_disable_vxlan_offloads(adapter); dev_info(&adapter->pdev->dev, diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 4b69d061d90f..710715fcb23d 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -1710,8 +1710,10 @@ static void gfar_configure_serdes(struct net_device *dev) * everything for us? Resetting it takes the link down and requires * several seconds for it to come back. */ - if (phy_read(tbiphy, MII_BMSR) & BMSR_LSTATUS) + if (phy_read(tbiphy, MII_BMSR) & BMSR_LSTATUS) { + put_device(&tbiphy->dev); return; + } /* Single clk mode, mii mode off(for serdes communication) */ phy_write(tbiphy, MII_TBICON, TBICON_CLK_SELECT); @@ -1723,6 +1725,8 @@ static void gfar_configure_serdes(struct net_device *dev) phy_write(tbiphy, MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART | BMCR_FULLDPLX | BMCR_SPEED1000); + + put_device(&tbiphy->dev); } static int __gfar_is_rx_idle(struct gfar_private *priv) @@ -1970,8 +1974,7 @@ static int register_grp_irqs(struct gfar_priv_grp *grp) /* Install our interrupt handlers for Error, * Transmit, and Receive */ - err = request_irq(gfar_irq(grp, ER)->irq, gfar_error, - IRQF_NO_SUSPEND, + err = request_irq(gfar_irq(grp, ER)->irq, gfar_error, 0, gfar_irq(grp, ER)->name, grp); if (err < 0) { netif_err(priv, intr, dev, "Can't get IRQ %d\n", @@ -1979,6 +1982,8 @@ static int register_grp_irqs(struct gfar_priv_grp *grp) goto err_irq_fail; } + enable_irq_wake(gfar_irq(grp, ER)->irq); + err = request_irq(gfar_irq(grp, TX)->irq, gfar_transmit, 0, gfar_irq(grp, TX)->name, grp); if (err < 0) { @@ -1994,14 +1999,14 @@ static int register_grp_irqs(struct gfar_priv_grp *grp) goto rx_irq_fail; } } else { - err = request_irq(gfar_irq(grp, TX)->irq, gfar_interrupt, - IRQF_NO_SUSPEND, + err = request_irq(gfar_irq(grp, TX)->irq, gfar_interrupt, 0, gfar_irq(grp, TX)->name, grp); if (err < 0) { netif_err(priv, intr, dev, "Can't get IRQ %d\n", gfar_irq(grp, TX)->irq); goto err_irq_fail; } + enable_irq_wake(gfar_irq(grp, TX)->irq); } return 0; diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c index 8e3cd77aa347..664d0c261269 100644 --- a/drivers/net/ethernet/freescale/gianfar_ptp.c +++ b/drivers/net/ethernet/freescale/gianfar_ptp.c @@ -557,6 +557,7 @@ static const struct of_device_id match_table[] = { { .compatible = "fsl,etsec-ptp" }, {}, }; +MODULE_DEVICE_TABLE(of, match_table); static struct platform_driver gianfar_ptp_driver = { .driver = { diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index 4dd40e057f40..650f7888e32b 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -1384,6 +1384,8 @@ static int adjust_enet_interface(struct ucc_geth_private *ugeth) value = phy_read(tbiphy, ENET_TBI_MII_CR); value &= ~0x1000; /* Turn off autonegotiation */ phy_write(tbiphy, ENET_TBI_MII_CR, value); + + put_device(&tbiphy->dev); } init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2); @@ -1702,8 +1704,10 @@ static void uec_configure_serdes(struct net_device *dev) * everything for us? Resetting it takes the link down and requires * several seconds for it to come back. */ - if (phy_read(tbiphy, ENET_TBI_MII_SR) & TBISR_LSTATUS) + if (phy_read(tbiphy, ENET_TBI_MII_SR) & TBISR_LSTATUS) { + put_device(&tbiphy->dev); return; + } /* Single clk mode, mii mode off(for serdes communication) */ phy_write(tbiphy, ENET_TBI_MII_ANA, TBIANA_SETTINGS); @@ -1711,6 +1715,8 @@ static void uec_configure_serdes(struct net_device *dev) phy_write(tbiphy, ENET_TBI_MII_TBICON, TBICON_CLK_SELECT); phy_write(tbiphy, ENET_TBI_MII_CR, TBICR_SETTINGS); + + put_device(&tbiphy->dev); } /* Configure the PHY for dev. diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index fe2299ac4f5c..514df76fc70f 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -1479,6 +1479,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, struct mvneta_rx_desc *rx_desc = mvneta_rxq_next_desc_get(rxq); struct sk_buff *skb; unsigned char *data; + dma_addr_t phys_addr; u32 rx_status; int rx_bytes, err; @@ -1486,6 +1487,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, rx_status = rx_desc->status; rx_bytes = rx_desc->data_size - (ETH_FCS_LEN + MVNETA_MH_SIZE); data = (unsigned char *)rx_desc->buf_cookie; + phys_addr = rx_desc->buf_phys_addr; if (!mvneta_rxq_desc_is_first_last(rx_status) || (rx_status & MVNETA_RXD_ERR_SUMMARY)) { @@ -1534,7 +1536,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, if (!skb) goto err_drop_frame; - dma_unmap_single(dev->dev.parent, rx_desc->buf_phys_addr, + dma_unmap_single(dev->dev.parent, phys_addr, MVNETA_RX_BUF_SIZE(pp->pkt_size), DMA_FROM_DEVICE); rcvd_pkts++; @@ -3173,6 +3175,8 @@ static int mvneta_probe(struct platform_device *pdev) struct phy_device *phy = of_phy_find_device(dn); mvneta_fixed_link_update(pp, phy); + + put_device(&phy->dev); } return 0; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 4c7de8c44659..e7a5000aa12c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -1270,8 +1270,6 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv) rss_context->hash_fn = MLX4_RSS_HASH_TOP; memcpy(rss_context->rss_key, priv->rss_key, MLX4_EN_RSS_KEY_SIZE); - netdev_rss_key_fill(rss_context->rss_key, - MLX4_EN_RSS_KEY_SIZE); } else { en_err(priv, "Unknown RSS hash function requested\n"); err = -EINVAL; diff --git a/drivers/net/ethernet/micrel/ks8851.c b/drivers/net/ethernet/micrel/ks8851.c index 66d4ab703f45..60f43ec22175 100644 --- a/drivers/net/ethernet/micrel/ks8851.c +++ b/drivers/net/ethernet/micrel/ks8851.c @@ -1601,6 +1601,7 @@ static const struct of_device_id ks8851_match_table[] = { { .compatible = "micrel,ks8851" }, { } }; +MODULE_DEVICE_TABLE(of, ks8851_match_table); static struct spi_driver ks8851_driver = { .driver = { diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index becbb5f1f5a7..a10c928bbd6b 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -552,6 +552,7 @@ static const struct of_device_id moxart_mac_match[] = { { .compatible = "moxa,moxart-mac" }, { } }; +MODULE_DEVICE_TABLE(of, moxart_mac_match); static struct platform_driver moxart_mac_driver = { .probe = moxart_mac_probe, diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index 06bcc734fe8d..d6696cfa11d2 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -536,6 +536,7 @@ struct qlcnic_hardware_context { u8 extend_lb_time; u8 phys_port_id[ETH_ALEN]; u8 lb_mode; + u8 vxlan_port_count; u16 vxlan_port; struct device *hwmon_dev; u32 post_mode; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 8b08b20e8b30..d4481454b5f8 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -483,11 +483,17 @@ static void qlcnic_add_vxlan_port(struct net_device *netdev, /* Adapter supports only one VXLAN port. Use very first port * for enabling offload */ - if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port) + if (!qlcnic_encap_rx_offload(adapter)) return; + if (!ahw->vxlan_port_count) { + ahw->vxlan_port_count = 1; + ahw->vxlan_port = ntohs(port); + adapter->flags |= QLCNIC_ADD_VXLAN_PORT; + return; + } + if (ahw->vxlan_port == ntohs(port)) + ahw->vxlan_port_count++; - ahw->vxlan_port = ntohs(port); - adapter->flags |= QLCNIC_ADD_VXLAN_PORT; } static void qlcnic_del_vxlan_port(struct net_device *netdev, @@ -496,11 +502,13 @@ static void qlcnic_del_vxlan_port(struct net_device *netdev, struct qlcnic_adapter *adapter = netdev_priv(netdev); struct qlcnic_hardware_context *ahw = adapter->ahw; - if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port || + if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count || (ahw->vxlan_port != ntohs(port))) return; - adapter->flags |= QLCNIC_DEL_VXLAN_PORT; + ahw->vxlan_port_count--; + if (!ahw->vxlan_port_count) + adapter->flags |= QLCNIC_DEL_VXLAN_PORT; } static netdev_features_t qlcnic_features_check(struct sk_buff *skb, diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index d79e33b3c191..686334f4588d 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -157,6 +157,7 @@ enum { NWayAdvert = 0x66, /* MII ADVERTISE */ NWayLPAR = 0x68, /* MII LPA */ NWayExpansion = 0x6A, /* MII Expansion */ + TxDmaOkLowDesc = 0x82, /* Low 16 bit address of a Tx descriptor. */ Config5 = 0xD8, /* Config5 */ TxPoll = 0xD9, /* Tell chip to check Tx descriptors for work */ RxMaxSize = 0xDA, /* Max size of an Rx packet (8169 only) */ @@ -341,6 +342,7 @@ struct cp_private { unsigned tx_tail; struct cp_desc *tx_ring; struct sk_buff *tx_skb[CP_TX_RING_SIZE]; + u32 tx_opts[CP_TX_RING_SIZE]; unsigned rx_buf_sz; unsigned wol_enabled : 1; /* Is Wake-on-LAN enabled? */ @@ -665,7 +667,7 @@ static void cp_tx (struct cp_private *cp) BUG_ON(!skb); dma_unmap_single(&cp->pdev->dev, le64_to_cpu(txd->addr), - le32_to_cpu(txd->opts1) & 0xffff, + cp->tx_opts[tx_tail] & 0xffff, PCI_DMA_TODEVICE); if (status & LastFrag) { @@ -733,7 +735,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, { struct cp_private *cp = netdev_priv(dev); unsigned entry; - u32 eor, flags; + u32 eor, opts1; unsigned long intr_flags; __le32 opts2; int mss = 0; @@ -753,6 +755,21 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, mss = skb_shinfo(skb)->gso_size; opts2 = cpu_to_le32(cp_tx_vlan_tag(skb)); + opts1 = DescOwn; + if (mss) + opts1 |= LargeSend | ((mss & MSSMask) << MSSShift); + else if (skb->ip_summed == CHECKSUM_PARTIAL) { + const struct iphdr *ip = ip_hdr(skb); + if (ip->protocol == IPPROTO_TCP) + opts1 |= IPCS | TCPCS; + else if (ip->protocol == IPPROTO_UDP) + opts1 |= IPCS | UDPCS; + else { + WARN_ONCE(1, + "Net bug: asked to checksum invalid Legacy IP packet\n"); + goto out_dma_error; + } + } if (skb_shinfo(skb)->nr_frags == 0) { struct cp_desc *txd = &cp->tx_ring[entry]; @@ -768,31 +785,20 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, txd->addr = cpu_to_le64(mapping); wmb(); - flags = eor | len | DescOwn | FirstFrag | LastFrag; - - if (mss) - flags |= LargeSend | ((mss & MSSMask) << MSSShift); - else if (skb->ip_summed == CHECKSUM_PARTIAL) { - const struct iphdr *ip = ip_hdr(skb); - if (ip->protocol == IPPROTO_TCP) - flags |= IPCS | TCPCS; - else if (ip->protocol == IPPROTO_UDP) - flags |= IPCS | UDPCS; - else - WARN_ON(1); /* we need a WARN() */ - } + opts1 |= eor | len | FirstFrag | LastFrag; - txd->opts1 = cpu_to_le32(flags); + txd->opts1 = cpu_to_le32(opts1); wmb(); cp->tx_skb[entry] = skb; - entry = NEXT_TX(entry); + cp->tx_opts[entry] = opts1; + netif_dbg(cp, tx_queued, cp->dev, "tx queued, slot %d, skblen %d\n", + entry, skb->len); } else { struct cp_desc *txd; - u32 first_len, first_eor; + u32 first_len, first_eor, ctrl; dma_addr_t first_mapping; int frag, first_entry = entry; - const struct iphdr *ip = ip_hdr(skb); /* We must give this initial chunk to the device last. * Otherwise we could race with the device. @@ -805,14 +811,14 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, goto out_dma_error; cp->tx_skb[entry] = skb; - entry = NEXT_TX(entry); for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) { const skb_frag_t *this_frag = &skb_shinfo(skb)->frags[frag]; u32 len; - u32 ctrl; dma_addr_t mapping; + entry = NEXT_TX(entry); + len = skb_frag_size(this_frag); mapping = dma_map_single(&cp->pdev->dev, skb_frag_address(this_frag), @@ -824,19 +830,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, eor = (entry == (CP_TX_RING_SIZE - 1)) ? RingEnd : 0; - ctrl = eor | len | DescOwn; - - if (mss) - ctrl |= LargeSend | - ((mss & MSSMask) << MSSShift); - else if (skb->ip_summed == CHECKSUM_PARTIAL) { - if (ip->protocol == IPPROTO_TCP) - ctrl |= IPCS | TCPCS; - else if (ip->protocol == IPPROTO_UDP) - ctrl |= IPCS | UDPCS; - else - BUG(); - } + ctrl = opts1 | eor | len; if (frag == skb_shinfo(skb)->nr_frags - 1) ctrl |= LastFrag; @@ -849,8 +843,8 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, txd->opts1 = cpu_to_le32(ctrl); wmb(); + cp->tx_opts[entry] = ctrl; cp->tx_skb[entry] = skb; - entry = NEXT_TX(entry); } txd = &cp->tx_ring[first_entry]; @@ -858,27 +852,17 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, txd->addr = cpu_to_le64(first_mapping); wmb(); - if (skb->ip_summed == CHECKSUM_PARTIAL) { - if (ip->protocol == IPPROTO_TCP) - txd->opts1 = cpu_to_le32(first_eor | first_len | - FirstFrag | DescOwn | - IPCS | TCPCS); - else if (ip->protocol == IPPROTO_UDP) - txd->opts1 = cpu_to_le32(first_eor | first_len | - FirstFrag | DescOwn | - IPCS | UDPCS); - else - BUG(); - } else - txd->opts1 = cpu_to_le32(first_eor | first_len | - FirstFrag | DescOwn); + ctrl = opts1 | first_eor | first_len | FirstFrag; + txd->opts1 = cpu_to_le32(ctrl); wmb(); + + cp->tx_opts[first_entry] = ctrl; + netif_dbg(cp, tx_queued, cp->dev, "tx queued, slots %d-%d, skblen %d\n", + first_entry, entry, skb->len); } - cp->tx_head = entry; + cp->tx_head = NEXT_TX(entry); netdev_sent_queue(dev, skb->len); - netif_dbg(cp, tx_queued, cp->dev, "tx queued, slot %d, skblen %d\n", - entry, skb->len); if (TX_BUFFS_AVAIL(cp) <= (MAX_SKB_FRAGS + 1)) netif_stop_queue(dev); @@ -1115,6 +1099,7 @@ static int cp_init_rings (struct cp_private *cp) { memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE); cp->tx_ring[CP_TX_RING_SIZE - 1].opts1 = cpu_to_le32(RingEnd); + memset(cp->tx_opts, 0, sizeof(cp->tx_opts)); cp_init_rings_index(cp); @@ -1151,7 +1136,7 @@ static void cp_clean_rings (struct cp_private *cp) desc = cp->rx_ring + i; dma_unmap_single(&cp->pdev->dev,le64_to_cpu(desc->addr), cp->rx_buf_sz, PCI_DMA_FROMDEVICE); - dev_kfree_skb(cp->rx_skb[i]); + dev_kfree_skb_any(cp->rx_skb[i]); } } @@ -1164,7 +1149,7 @@ static void cp_clean_rings (struct cp_private *cp) le32_to_cpu(desc->opts1) & 0xffff, PCI_DMA_TODEVICE); if (le32_to_cpu(desc->opts1) & LastFrag) - dev_kfree_skb(skb); + dev_kfree_skb_any(skb); cp->dev->stats.tx_dropped++; } } @@ -1172,6 +1157,7 @@ static void cp_clean_rings (struct cp_private *cp) memset(cp->rx_ring, 0, sizeof(struct cp_desc) * CP_RX_RING_SIZE); memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE); + memset(cp->tx_opts, 0, sizeof(cp->tx_opts)); memset(cp->rx_skb, 0, sizeof(struct sk_buff *) * CP_RX_RING_SIZE); memset(cp->tx_skb, 0, sizeof(struct sk_buff *) * CP_TX_RING_SIZE); @@ -1249,7 +1235,7 @@ static void cp_tx_timeout(struct net_device *dev) { struct cp_private *cp = netdev_priv(dev); unsigned long flags; - int rc; + int rc, i; netdev_warn(dev, "Transmit timeout, status %2x %4x %4x %4x\n", cpr8(Cmd), cpr16(CpCmd), @@ -1257,13 +1243,26 @@ static void cp_tx_timeout(struct net_device *dev) spin_lock_irqsave(&cp->lock, flags); + netif_dbg(cp, tx_err, cp->dev, "TX ring head %d tail %d desc %x\n", + cp->tx_head, cp->tx_tail, cpr16(TxDmaOkLowDesc)); + for (i = 0; i < CP_TX_RING_SIZE; i++) { + netif_dbg(cp, tx_err, cp->dev, + "TX slot %d @%p: %08x (%08x) %08x %llx %p\n", + i, &cp->tx_ring[i], le32_to_cpu(cp->tx_ring[i].opts1), + cp->tx_opts[i], le32_to_cpu(cp->tx_ring[i].opts2), + le64_to_cpu(cp->tx_ring[i].addr), + cp->tx_skb[i]); + } + cp_stop_hw(cp); cp_clean_rings(cp); rc = cp_init_rings(cp); cp_start_hw(cp); - cp_enable_irq(cp); + __cp_set_rx_mode(dev); + cpw16_f(IntrMask, cp_norx_intr_mask); netif_wake_queue(dev); + napi_schedule_irqoff(&cp->napi); spin_unlock_irqrestore(&cp->lock, flags); } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index b735fa22ac95..ebf6abc4853f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -161,11 +161,16 @@ int stmmac_mdio_reset(struct mii_bus *bus) if (!gpio_request(reset_gpio, "mdio-reset")) { gpio_direction_output(reset_gpio, active_low ? 1 : 0); - udelay(data->delays[0]); + if (data->delays[0]) + msleep(DIV_ROUND_UP(data->delays[0], 1000)); + gpio_set_value(reset_gpio, active_low ? 0 : 1); - udelay(data->delays[1]); + if (data->delays[1]) + msleep(DIV_ROUND_UP(data->delays[1], 1000)); + gpio_set_value(reset_gpio, active_low ? 1 : 0); - udelay(data->delays[2]); + if (data->delays[2]) + msleep(DIV_ROUND_UP(data->delays[2], 1000)); } } #endif diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c index 53fe200e0b79..cc106d892e29 100644 --- a/drivers/net/ethernet/sun/sunvnet.c +++ b/drivers/net/ethernet/sun/sunvnet.c @@ -1756,7 +1756,8 @@ static const struct net_device_ops vnet_ops = { #endif }; -static struct vnet *vnet_new(const u64 *local_mac) +static struct vnet *vnet_new(const u64 *local_mac, + struct vio_dev *vdev) { struct net_device *dev; struct vnet *vp; @@ -1790,6 +1791,8 @@ static struct vnet *vnet_new(const u64 *local_mac) NETIF_F_HW_CSUM | NETIF_F_SG; dev->features = dev->hw_features; + SET_NETDEV_DEV(dev, &vdev->dev); + err = register_netdev(dev); if (err) { pr_err("Cannot register net device, aborting\n"); @@ -1808,7 +1811,8 @@ err_out_free_dev: return ERR_PTR(err); } -static struct vnet *vnet_find_or_create(const u64 *local_mac) +static struct vnet *vnet_find_or_create(const u64 *local_mac, + struct vio_dev *vdev) { struct vnet *iter, *vp; @@ -1821,7 +1825,7 @@ static struct vnet *vnet_find_or_create(const u64 *local_mac) } } if (!vp) - vp = vnet_new(local_mac); + vp = vnet_new(local_mac, vdev); mutex_unlock(&vnet_list_mutex); return vp; @@ -1848,7 +1852,8 @@ static void vnet_cleanup(void) static const char *local_mac_prop = "local-mac-address"; static struct vnet *vnet_find_parent(struct mdesc_handle *hp, - u64 port_node) + u64 port_node, + struct vio_dev *vdev) { const u64 *local_mac = NULL; u64 a; @@ -1869,7 +1874,7 @@ static struct vnet *vnet_find_parent(struct mdesc_handle *hp, if (!local_mac) return ERR_PTR(-ENODEV); - return vnet_find_or_create(local_mac); + return vnet_find_or_create(local_mac, vdev); } static struct ldc_channel_config vnet_ldc_cfg = { @@ -1923,7 +1928,7 @@ static int vnet_port_probe(struct vio_dev *vdev, const struct vio_device_id *id) hp = mdesc_grab(); - vp = vnet_find_parent(hp, vdev->mp); + vp = vnet_find_parent(hp, vdev->mp, vdev); if (IS_ERR(vp)) { pr_err("Cannot find port parent vnet\n"); err = PTR_ERR(vp); diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c index 1a5aca55ea9f..9f9832f0dea9 100644 --- a/drivers/net/ethernet/ti/netcp_core.c +++ b/drivers/net/ethernet/ti/netcp_core.c @@ -291,13 +291,6 @@ static int netcp_module_probe(struct netcp_device *netcp_device, interface_list) { struct netcp_intf_modpriv *intf_modpriv; - /* If interface not registered then register now */ - if (!netcp_intf->netdev_registered) - ret = netcp_register_interface(netcp_intf); - - if (ret) - return -ENODEV; - intf_modpriv = devm_kzalloc(dev, sizeof(*intf_modpriv), GFP_KERNEL); if (!intf_modpriv) @@ -306,6 +299,11 @@ static int netcp_module_probe(struct netcp_device *netcp_device, interface = of_parse_phandle(netcp_intf->node_interface, module->name, 0); + if (!interface) { + devm_kfree(dev, intf_modpriv); + continue; + } + intf_modpriv->netcp_priv = netcp_intf; intf_modpriv->netcp_module = module; list_add_tail(&intf_modpriv->intf_list, @@ -323,6 +321,18 @@ static int netcp_module_probe(struct netcp_device *netcp_device, continue; } } + + /* Now register the interface with netdev */ + list_for_each_entry(netcp_intf, + &netcp_device->interface_head, + interface_list) { + /* If interface not registered then register now */ + if (!netcp_intf->netdev_registered) { + ret = netcp_register_interface(netcp_intf); + if (ret) + return -ENODEV; + } + } return 0; } @@ -357,7 +367,6 @@ int netcp_register_module(struct netcp_module *module) if (ret < 0) goto fail; } - mutex_unlock(&netcp_modules_lock); return 0; @@ -796,7 +805,7 @@ static void netcp_rxpool_free(struct netcp_intf *netcp) netcp->rx_pool = NULL; } -static void netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq) +static int netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq) { struct knav_dma_desc *hwdesc; unsigned int buf_len, dma_sz; @@ -810,7 +819,7 @@ static void netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq) hwdesc = knav_pool_desc_get(netcp->rx_pool); if (IS_ERR_OR_NULL(hwdesc)) { dev_dbg(netcp->ndev_dev, "out of rx pool desc\n"); - return; + return -ENOMEM; } if (likely(fdq == 0)) { @@ -862,25 +871,26 @@ static void netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq) knav_pool_desc_map(netcp->rx_pool, hwdesc, sizeof(*hwdesc), &dma, &dma_sz); knav_queue_push(netcp->rx_fdq[fdq], dma, sizeof(*hwdesc), 0); - return; + return 0; fail: knav_pool_desc_put(netcp->rx_pool, hwdesc); + return -ENOMEM; } /* Refill Rx FDQ with descriptors & attached buffers */ static void netcp_rxpool_refill(struct netcp_intf *netcp) { u32 fdq_deficit[KNAV_DMA_FDQ_PER_CHAN] = {0}; - int i; + int i, ret = 0; /* Calculate the FDQ deficit and refill */ for (i = 0; i < KNAV_DMA_FDQ_PER_CHAN && netcp->rx_fdq[i]; i++) { fdq_deficit[i] = netcp->rx_queue_depths[i] - knav_queue_get_count(netcp->rx_fdq[i]); - while (fdq_deficit[i]--) - netcp_allocate_rx_buf(netcp, i); + while (fdq_deficit[i]-- && !ret) + ret = netcp_allocate_rx_buf(netcp, i); } /* end for fdqs */ } @@ -893,12 +903,12 @@ static int netcp_rx_poll(struct napi_struct *napi, int budget) packets = netcp_process_rx_packets(netcp, budget); + netcp_rxpool_refill(netcp); if (packets < budget) { napi_complete(&netcp->rx_napi); knav_queue_enable_notify(netcp->rx_queue); } - netcp_rxpool_refill(netcp); return packets; } @@ -1384,7 +1394,6 @@ static void netcp_addr_sweep_del(struct netcp_intf *netcp) continue; dev_dbg(netcp->ndev_dev, "deleting address %pM, type %x\n", naddr->addr, naddr->type); - mutex_lock(&netcp_modules_lock); for_each_module(netcp, priv) { module = priv->netcp_module; if (!module->del_addr) @@ -1393,7 +1402,6 @@ static void netcp_addr_sweep_del(struct netcp_intf *netcp) naddr); WARN_ON(error); } - mutex_unlock(&netcp_modules_lock); netcp_addr_del(netcp, naddr); } } @@ -1410,7 +1418,7 @@ static void netcp_addr_sweep_add(struct netcp_intf *netcp) continue; dev_dbg(netcp->ndev_dev, "adding address %pM, type %x\n", naddr->addr, naddr->type); - mutex_lock(&netcp_modules_lock); + for_each_module(netcp, priv) { module = priv->netcp_module; if (!module->add_addr) @@ -1418,7 +1426,6 @@ static void netcp_addr_sweep_add(struct netcp_intf *netcp) error = module->add_addr(priv->module_priv, naddr); WARN_ON(error); } - mutex_unlock(&netcp_modules_lock); } } @@ -1432,6 +1439,7 @@ static void netcp_set_rx_mode(struct net_device *ndev) ndev->flags & IFF_ALLMULTI || netdev_mc_count(ndev) > NETCP_MAX_MCAST_ADDR); + spin_lock(&netcp->lock); /* first clear all marks */ netcp_addr_clear_mark(netcp); @@ -1450,6 +1458,7 @@ static void netcp_set_rx_mode(struct net_device *ndev) /* finally sweep and callout into modules */ netcp_addr_sweep_del(netcp); netcp_addr_sweep_add(netcp); + spin_unlock(&netcp->lock); } static void netcp_free_navigator_resources(struct netcp_intf *netcp) @@ -1614,7 +1623,6 @@ static int netcp_ndo_open(struct net_device *ndev) goto fail; } - mutex_lock(&netcp_modules_lock); for_each_module(netcp, intf_modpriv) { module = intf_modpriv->netcp_module; if (module->open) { @@ -1625,7 +1633,6 @@ static int netcp_ndo_open(struct net_device *ndev) } } } - mutex_unlock(&netcp_modules_lock); napi_enable(&netcp->rx_napi); napi_enable(&netcp->tx_napi); @@ -1642,7 +1649,6 @@ fail_open: if (module->close) module->close(intf_modpriv->module_priv, ndev); } - mutex_unlock(&netcp_modules_lock); fail: netcp_free_navigator_resources(netcp); @@ -1666,7 +1672,6 @@ static int netcp_ndo_stop(struct net_device *ndev) napi_disable(&netcp->rx_napi); napi_disable(&netcp->tx_napi); - mutex_lock(&netcp_modules_lock); for_each_module(netcp, intf_modpriv) { module = intf_modpriv->netcp_module; if (module->close) { @@ -1675,7 +1680,6 @@ static int netcp_ndo_stop(struct net_device *ndev) dev_err(netcp->ndev_dev, "Close failed\n"); } } - mutex_unlock(&netcp_modules_lock); /* Recycle Rx descriptors from completion queue */ netcp_empty_rx_queue(netcp); @@ -1703,7 +1707,6 @@ static int netcp_ndo_ioctl(struct net_device *ndev, if (!netif_running(ndev)) return -EINVAL; - mutex_lock(&netcp_modules_lock); for_each_module(netcp, intf_modpriv) { module = intf_modpriv->netcp_module; if (!module->ioctl) @@ -1719,7 +1722,6 @@ static int netcp_ndo_ioctl(struct net_device *ndev, } out: - mutex_unlock(&netcp_modules_lock); return (ret == 0) ? 0 : err; } @@ -1754,11 +1756,12 @@ static int netcp_rx_add_vid(struct net_device *ndev, __be16 proto, u16 vid) struct netcp_intf *netcp = netdev_priv(ndev); struct netcp_intf_modpriv *intf_modpriv; struct netcp_module *module; + unsigned long flags; int err = 0; dev_dbg(netcp->ndev_dev, "adding rx vlan id: %d\n", vid); - mutex_lock(&netcp_modules_lock); + spin_lock_irqsave(&netcp->lock, flags); for_each_module(netcp, intf_modpriv) { module = intf_modpriv->netcp_module; if ((module->add_vid) && (vid != 0)) { @@ -1770,7 +1773,8 @@ static int netcp_rx_add_vid(struct net_device *ndev, __be16 proto, u16 vid) } } } - mutex_unlock(&netcp_modules_lock); + spin_unlock_irqrestore(&netcp->lock, flags); + return err; } @@ -1779,11 +1783,12 @@ static int netcp_rx_kill_vid(struct net_device *ndev, __be16 proto, u16 vid) struct netcp_intf *netcp = netdev_priv(ndev); struct netcp_intf_modpriv *intf_modpriv; struct netcp_module *module; + unsigned long flags; int err = 0; dev_dbg(netcp->ndev_dev, "removing rx vlan id: %d\n", vid); - mutex_lock(&netcp_modules_lock); + spin_lock_irqsave(&netcp->lock, flags); for_each_module(netcp, intf_modpriv) { module = intf_modpriv->netcp_module; if (module->del_vid) { @@ -1795,7 +1800,7 @@ static int netcp_rx_kill_vid(struct net_device *ndev, __be16 proto, u16 vid) } } } - mutex_unlock(&netcp_modules_lock); + spin_unlock_irqrestore(&netcp->lock, flags); return err; } @@ -2040,7 +2045,6 @@ static int netcp_probe(struct platform_device *pdev) struct device_node *child, *interfaces; struct netcp_device *netcp_device; struct device *dev = &pdev->dev; - struct netcp_module *module; int ret; if (!node) { @@ -2087,14 +2091,6 @@ static int netcp_probe(struct platform_device *pdev) /* Add the device instance to the list */ list_add_tail(&netcp_device->device_list, &netcp_devices); - /* Probe & attach any modules already registered */ - mutex_lock(&netcp_modules_lock); - for_each_netcp_module(module) { - ret = netcp_module_probe(netcp_device, module); - if (ret < 0) - dev_err(dev, "module(%s) probe failed\n", module->name); - } - mutex_unlock(&netcp_modules_lock); return 0; probe_quit_interface: diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c index 6f16d6aaf7b7..6bff8d82ceab 100644 --- a/drivers/net/ethernet/ti/netcp_ethss.c +++ b/drivers/net/ethernet/ti/netcp_ethss.c @@ -77,6 +77,7 @@ #define GBENU_ALE_OFFSET 0x1e000 #define GBENU_HOST_PORT_NUM 0 #define GBENU_NUM_ALE_ENTRIES 1024 +#define GBENU_SGMII_MODULE_SIZE 0x100 /* 10G Ethernet SS defines */ #define XGBE_MODULE_NAME "netcp-xgbe" @@ -149,8 +150,8 @@ #define XGBE_STATS2_MODULE 2 /* s: 0-based slave_port */ -#define SGMII_BASE(s) \ - (((s) < 2) ? gbe_dev->sgmii_port_regs : gbe_dev->sgmii_port34_regs) +#define SGMII_BASE(d, s) \ + (((s) < 2) ? (d)->sgmii_port_regs : (d)->sgmii_port34_regs) #define GBE_TX_QUEUE 648 #define GBE_TXHOOK_ORDER 0 @@ -1997,13 +1998,8 @@ static void netcp_ethss_update_link_state(struct gbe_priv *gbe_dev, return; if (!SLAVE_LINK_IS_XGMII(slave)) { - if (gbe_dev->ss_version == GBE_SS_VERSION_14) - sgmii_link_state = - netcp_sgmii_get_port_link(SGMII_BASE(sp), sp); - else - sgmii_link_state = - netcp_sgmii_get_port_link( - gbe_dev->sgmii_port_regs, sp); + sgmii_link_state = + netcp_sgmii_get_port_link(SGMII_BASE(gbe_dev, sp), sp); } phy_link_state = gbe_phy_link_status(slave); @@ -2100,17 +2096,11 @@ static void gbe_port_config(struct gbe_priv *gbe_dev, struct gbe_slave *slave, static void gbe_sgmii_rtreset(struct gbe_priv *priv, struct gbe_slave *slave, bool set) { - void __iomem *sgmii_port_regs; - if (SLAVE_LINK_IS_XGMII(slave)) return; - if ((priv->ss_version == GBE_SS_VERSION_14) && (slave->slave_num >= 2)) - sgmii_port_regs = priv->sgmii_port34_regs; - else - sgmii_port_regs = priv->sgmii_port_regs; - - netcp_sgmii_rtreset(sgmii_port_regs, slave->slave_num, set); + netcp_sgmii_rtreset(SGMII_BASE(priv, slave->slave_num), + slave->slave_num, set); } static void gbe_slave_stop(struct gbe_intf *intf) @@ -2136,17 +2126,12 @@ static void gbe_slave_stop(struct gbe_intf *intf) static void gbe_sgmii_config(struct gbe_priv *priv, struct gbe_slave *slave) { - void __iomem *sgmii_port_regs; - - sgmii_port_regs = priv->sgmii_port_regs; - if ((priv->ss_version == GBE_SS_VERSION_14) && (slave->slave_num >= 2)) - sgmii_port_regs = priv->sgmii_port34_regs; + if (SLAVE_LINK_IS_XGMII(slave)) + return; - if (!SLAVE_LINK_IS_XGMII(slave)) { - netcp_sgmii_reset(sgmii_port_regs, slave->slave_num); - netcp_sgmii_config(sgmii_port_regs, slave->slave_num, - slave->link_interface); - } + netcp_sgmii_reset(SGMII_BASE(priv, slave->slave_num), slave->slave_num); + netcp_sgmii_config(SGMII_BASE(priv, slave->slave_num), slave->slave_num, + slave->link_interface); } static int gbe_slave_open(struct gbe_intf *gbe_intf) @@ -2997,6 +2982,14 @@ static int set_gbenu_ethss_priv(struct gbe_priv *gbe_dev, gbe_dev->switch_regs = regs; gbe_dev->sgmii_port_regs = gbe_dev->ss_regs + GBENU_SGMII_MODULE_OFFSET; + + /* Although sgmii modules are mem mapped to one contiguous + * region on GBENU devices, setting sgmii_port34_regs allows + * consistent code when accessing sgmii api + */ + gbe_dev->sgmii_port34_regs = gbe_dev->sgmii_port_regs + + (2 * GBENU_SGMII_MODULE_SIZE); + gbe_dev->host_port_regs = gbe_dev->switch_regs + GBENU_HOST_PORT_OFFSET; for (i = 0; i < (gbe_dev->max_num_ports); i++) diff --git a/drivers/net/ethernet/via/Kconfig b/drivers/net/ethernet/via/Kconfig index 2f1264b882b9..d3d094742a7e 100644 --- a/drivers/net/ethernet/via/Kconfig +++ b/drivers/net/ethernet/via/Kconfig @@ -17,7 +17,7 @@ if NET_VENDOR_VIA config VIA_RHINE tristate "VIA Rhine support" - depends on (PCI || OF_IRQ) + depends on PCI || (OF_IRQ && GENERIC_PCI_IOMAP) depends on HAS_DMA select CRC32 select MII diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c index 6008eee01a33..cf468c87ce57 100644 --- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c +++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c @@ -828,6 +828,8 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev) if (!phydev) dev_info(dev, "MDIO of the phy is not registered yet\n"); + else + put_device(&phydev->dev); return 0; } diff --git a/drivers/net/fjes/fjes_hw.c b/drivers/net/fjes/fjes_hw.c index b5f4a78da828..2d3848c9dc35 100644 --- a/drivers/net/fjes/fjes_hw.c +++ b/drivers/net/fjes/fjes_hw.c @@ -1011,11 +1011,11 @@ static void fjes_hw_update_zone_task(struct work_struct *work) set_bit(epidx, &irq_bit); break; } - } - - hw->ep_shm_info[epidx].es_status = info[epidx].es_status; - hw->ep_shm_info[epidx].zone = info[epidx].zone; + hw->ep_shm_info[epidx].es_status = + info[epidx].es_status; + hw->ep_shm_info[epidx].zone = info[epidx].zone; + } break; } diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index da3259ce7c8d..8f5c02eed47d 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -126,6 +126,8 @@ static void geneve_rx(struct geneve_sock *gs, struct sk_buff *skb) __be32 addr; int err; + iph = ip_hdr(skb); /* outer IP header... */ + if (gs->collect_md) { static u8 zero_vni[3]; @@ -133,7 +135,6 @@ static void geneve_rx(struct geneve_sock *gs, struct sk_buff *skb) addr = 0; } else { vni = gnvh->vni; - iph = ip_hdr(skb); /* Still outer IP header... */ addr = iph->saddr; } @@ -178,7 +179,6 @@ static void geneve_rx(struct geneve_sock *gs, struct sk_buff *skb) skb_reset_network_header(skb); - iph = ip_hdr(skb); /* Now inner IP header... */ err = IP_ECN_decapsulate(iph, skb); if (unlikely(err)) { @@ -626,6 +626,7 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev) struct geneve_sock *gs = geneve->sock; struct ip_tunnel_info *info = NULL; struct rtable *rt = NULL; + const struct iphdr *iip; /* interior IP header */ struct flowi4 fl4; __u8 tos, ttl; __be16 sport; @@ -653,6 +654,8 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev) sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); skb_reset_mac_header(skb); + iip = ip_hdr(skb); + if (info) { const struct ip_tunnel_key *key = &info->key; u8 *opts = NULL; @@ -668,19 +671,16 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev) if (unlikely(err)) goto err; - tos = key->tos; + tos = ip_tunnel_ecn_encap(key->tos, iip, skb); ttl = key->ttl; df = key->tun_flags & TUNNEL_DONT_FRAGMENT ? htons(IP_DF) : 0; } else { - const struct iphdr *iip; /* interior IP header */ - udp_csum = false; err = geneve_build_skb(rt, skb, 0, geneve->vni, 0, NULL, udp_csum); if (unlikely(err)) goto err; - iip = ip_hdr(skb); tos = ip_tunnel_ecn_encap(fl4.flowi4_tos, iip, skb); ttl = geneve->ttl; if (!ttl && IN_MULTICAST(ntohl(fl4.daddr))) @@ -748,12 +748,8 @@ static void geneve_setup(struct net_device *dev) dev->features |= NETIF_F_RXCSUM; dev->features |= NETIF_F_GSO_SOFTWARE; - dev->vlan_features = dev->features; - dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; - dev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_RXCSUM; dev->hw_features |= NETIF_F_GSO_SOFTWARE; - dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; netif_keep_dst(dev); dev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_NO_QUEUE; @@ -819,7 +815,7 @@ static struct geneve_dev *geneve_find_dev(struct geneve_net *gn, static int geneve_configure(struct net *net, struct net_device *dev, __be32 rem_addr, __u32 vni, __u8 ttl, __u8 tos, - __u16 dst_port, bool metadata) + __be16 dst_port, bool metadata) { struct geneve_net *gn = net_generic(net, geneve_net_id); struct geneve_dev *t, *geneve = netdev_priv(dev); @@ -844,10 +840,10 @@ static int geneve_configure(struct net *net, struct net_device *dev, geneve->ttl = ttl; geneve->tos = tos; - geneve->dst_port = htons(dst_port); + geneve->dst_port = dst_port; geneve->collect_md = metadata; - t = geneve_find_dev(gn, htons(dst_port), rem_addr, geneve->vni, + t = geneve_find_dev(gn, dst_port, rem_addr, geneve->vni, &tun_on_same_port, &tun_collect_md); if (t) return -EBUSY; @@ -871,7 +867,7 @@ static int geneve_configure(struct net *net, struct net_device *dev, static int geneve_newlink(struct net *net, struct net_device *dev, struct nlattr *tb[], struct nlattr *data[]) { - __u16 dst_port = GENEVE_UDP_PORT; + __be16 dst_port = htons(GENEVE_UDP_PORT); __u8 ttl = 0, tos = 0; bool metadata = false; __be32 rem_addr; @@ -890,7 +886,7 @@ static int geneve_newlink(struct net *net, struct net_device *dev, tos = nla_get_u8(data[IFLA_GENEVE_TOS]); if (data[IFLA_GENEVE_PORT]) - dst_port = nla_get_u16(data[IFLA_GENEVE_PORT]); + dst_port = nla_get_be16(data[IFLA_GENEVE_PORT]); if (data[IFLA_GENEVE_COLLECT_METADATA]) metadata = true; @@ -913,7 +909,7 @@ static size_t geneve_get_size(const struct net_device *dev) nla_total_size(sizeof(struct in_addr)) + /* IFLA_GENEVE_REMOTE */ nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_TTL */ nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_TOS */ - nla_total_size(sizeof(__u16)) + /* IFLA_GENEVE_PORT */ + nla_total_size(sizeof(__be16)) + /* IFLA_GENEVE_PORT */ nla_total_size(0) + /* IFLA_GENEVE_COLLECT_METADATA */ 0; } @@ -935,7 +931,7 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev) nla_put_u8(skb, IFLA_GENEVE_TOS, geneve->tos)) goto nla_put_failure; - if (nla_put_u16(skb, IFLA_GENEVE_PORT, ntohs(geneve->dst_port))) + if (nla_put_be16(skb, IFLA_GENEVE_PORT, geneve->dst_port)) goto nla_put_failure; if (geneve->collect_md) { @@ -975,7 +971,7 @@ struct net_device *geneve_dev_create_fb(struct net *net, const char *name, if (IS_ERR(dev)) return dev; - err = geneve_configure(net, dev, 0, 0, 0, 0, dst_port, true); + err = geneve_configure(net, dev, 0, 0, 0, 0, htons(dst_port), true); if (err) { free_netdev(dev); return ERR_PTR(err); diff --git a/drivers/net/irda/ali-ircc.c b/drivers/net/irda/ali-ircc.c index 58ae11a14bb6..64bb44d5d867 100644 --- a/drivers/net/irda/ali-ircc.c +++ b/drivers/net/irda/ali-ircc.c @@ -1031,7 +1031,6 @@ static void ali_ircc_fir_change_speed(struct ali_ircc_cb *priv, __u32 baud) static void ali_ircc_sir_change_speed(struct ali_ircc_cb *priv, __u32 speed) { struct ali_ircc_cb *self = priv; - unsigned long flags; int iobase; int fcr; /* FIFO control reg */ int lcr; /* Line control reg */ @@ -1061,8 +1060,6 @@ static void ali_ircc_sir_change_speed(struct ali_ircc_cb *priv, __u32 speed) /* Update accounting for new speed */ self->io.speed = speed; - spin_lock_irqsave(&self->lock, flags); - divisor = 115200/speed; fcr = UART_FCR_ENABLE_FIFO; @@ -1089,9 +1086,6 @@ static void ali_ircc_sir_change_speed(struct ali_ircc_cb *priv, __u32 speed) /* without this, the connection will be broken after come back from FIR speed, but with this, the SIR connection is harder to established */ outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase+UART_MCR); - - spin_unlock_irqrestore(&self->lock, flags); - } static void ali_ircc_change_dongle_speed(struct ali_ircc_cb *priv, int speed) diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index edd77342773a..248478c6f6e4 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -1111,10 +1111,10 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd, return 0; case TUNSETSNDBUF: - if (get_user(u, up)) + if (get_user(s, sp)) return -EFAULT; - q->sk.sk_sndbuf = u; + q->sk.sk_sndbuf = s; return 0; case TUNGETVNETHDRSZ: diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c index fb1299c6326e..e23bf5b90e17 100644 --- a/drivers/net/phy/fixed_phy.c +++ b/drivers/net/phy/fixed_phy.c @@ -220,7 +220,7 @@ int fixed_phy_update_state(struct phy_device *phydev, struct fixed_mdio_bus *fmb = &platform_fmb; struct fixed_phy *fp; - if (!phydev || !phydev->bus) + if (!phydev || phydev->bus != fmb->mii_bus) return -EINVAL; list_for_each_entry(fp, &fmb->phys, node) { diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index e6897b6a8a53..5de8d5827536 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -785,6 +785,7 @@ static int marvell_read_status(struct phy_device *phydev) int adv; int err; int lpa; + int lpagb; int status = 0; /* Update the link, but return if there @@ -802,10 +803,17 @@ static int marvell_read_status(struct phy_device *phydev) if (lpa < 0) return lpa; + lpagb = phy_read(phydev, MII_STAT1000); + if (lpagb < 0) + return lpagb; + adv = phy_read(phydev, MII_ADVERTISE); if (adv < 0) return adv; + phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb) | + mii_lpa_to_ethtool_lpa_t(lpa); + lpa &= adv; if (status & MII_M1011_PHY_STATUS_FULLDUPLEX) @@ -853,6 +861,7 @@ static int marvell_read_status(struct phy_device *phydev) phydev->speed = SPEED_10; phydev->pause = phydev->asym_pause = 0; + phydev->lp_advertising = 0; } return 0; diff --git a/drivers/net/phy/mdio-bcm-unimac.c b/drivers/net/phy/mdio-bcm-unimac.c index 6a52a7f0fa0d..4bde5e728fe0 100644 --- a/drivers/net/phy/mdio-bcm-unimac.c +++ b/drivers/net/phy/mdio-bcm-unimac.c @@ -244,6 +244,7 @@ static const struct of_device_id unimac_mdio_ids[] = { { .compatible = "brcm,unimac-mdio", }, { /* sentinel */ }, }; +MODULE_DEVICE_TABLE(of, unimac_mdio_ids); static struct platform_driver unimac_mdio_driver = { .driver = { diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c index 7dc21e56a7aa..3bc9f03349f3 100644 --- a/drivers/net/phy/mdio-gpio.c +++ b/drivers/net/phy/mdio-gpio.c @@ -261,6 +261,7 @@ static const struct of_device_id mdio_gpio_of_match[] = { { .compatible = "virtual,mdio-gpio", }, { /* sentinel */ } }; +MODULE_DEVICE_TABLE(of, mdio_gpio_of_match); static struct platform_driver mdio_gpio_driver = { .probe = mdio_gpio_probe, diff --git a/drivers/net/phy/mdio-mux.c b/drivers/net/phy/mdio-mux.c index 4d4d25efc1e1..280c7c311f72 100644 --- a/drivers/net/phy/mdio-mux.c +++ b/drivers/net/phy/mdio-mux.c @@ -113,18 +113,18 @@ int mdio_mux_init(struct device *dev, if (!parent_bus_node) return -ENODEV; - parent_bus = of_mdio_find_bus(parent_bus_node); - if (parent_bus == NULL) { - ret_val = -EPROBE_DEFER; - goto err_parent_bus; - } - pb = devm_kzalloc(dev, sizeof(*pb), GFP_KERNEL); if (pb == NULL) { ret_val = -ENOMEM; goto err_parent_bus; } + parent_bus = of_mdio_find_bus(parent_bus_node); + if (parent_bus == NULL) { + ret_val = -EPROBE_DEFER; + goto err_parent_bus; + } + pb->switch_data = data; pb->switch_fn = switch_fn; pb->current_child = -1; @@ -173,6 +173,10 @@ int mdio_mux_init(struct device *dev, dev_info(dev, "Version " DRV_VERSION "\n"); return 0; } + + /* balance the reference of_mdio_find_bus() took */ + put_device(&pb->mii_bus->dev); + err_parent_bus: of_node_put(parent_bus_node); return ret_val; @@ -189,6 +193,9 @@ void mdio_mux_uninit(void *mux_handle) mdiobus_free(cb->mii_bus); cb = cb->next; } + + /* balance the reference of_mdio_find_bus() in mdio_mux_init() took */ + put_device(&pb->mii_bus->dev); } EXPORT_SYMBOL_GPL(mdio_mux_uninit); diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 02a4615b65f8..12f44c53cc8e 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -167,7 +167,9 @@ static int of_mdio_bus_match(struct device *dev, const void *mdio_bus_np) * of_mdio_find_bus - Given an mii_bus node, find the mii_bus. * @mdio_bus_np: Pointer to the mii_bus. * - * Returns a pointer to the mii_bus, or NULL if none found. + * Returns a reference to the mii_bus, or NULL if none found. The + * embedded struct device will have its reference count incremented, + * and this must be put once the bus is finished with. * * Because the association of a device_node and mii_bus is made via * of_mdiobus_register(), the mii_bus cannot be found before it is @@ -234,15 +236,18 @@ static inline void of_mdiobus_link_phydev(struct mii_bus *mdio, #endif /** - * mdiobus_register - bring up all the PHYs on a given bus and attach them to bus + * __mdiobus_register - bring up all the PHYs on a given bus and attach them to bus * @bus: target mii_bus + * @owner: module containing bus accessor functions * * Description: Called by a bus driver to bring up all the PHYs - * on a given bus, and attach them to the bus. + * on a given bus, and attach them to the bus. Drivers should use + * mdiobus_register() rather than __mdiobus_register() unless they + * need to pass a specific owner module. * * Returns 0 on success or < 0 on error. */ -int mdiobus_register(struct mii_bus *bus) +int __mdiobus_register(struct mii_bus *bus, struct module *owner) { int i, err; @@ -253,6 +258,7 @@ int mdiobus_register(struct mii_bus *bus) BUG_ON(bus->state != MDIOBUS_ALLOCATED && bus->state != MDIOBUS_UNREGISTERED); + bus->owner = owner; bus->dev.parent = bus->parent; bus->dev.class = &mdio_bus_class; bus->dev.groups = NULL; @@ -288,13 +294,16 @@ int mdiobus_register(struct mii_bus *bus) error: while (--i >= 0) { - if (bus->phy_map[i]) - device_unregister(&bus->phy_map[i]->dev); + struct phy_device *phydev = bus->phy_map[i]; + if (phydev) { + phy_device_remove(phydev); + phy_device_free(phydev); + } } device_del(&bus->dev); return err; } -EXPORT_SYMBOL(mdiobus_register); +EXPORT_SYMBOL(__mdiobus_register); void mdiobus_unregister(struct mii_bus *bus) { @@ -304,9 +313,11 @@ void mdiobus_unregister(struct mii_bus *bus) bus->state = MDIOBUS_UNREGISTERED; for (i = 0; i < PHY_MAX_ADDR; i++) { - if (bus->phy_map[i]) - device_unregister(&bus->phy_map[i]->dev); - bus->phy_map[i] = NULL; + struct phy_device *phydev = bus->phy_map[i]; + if (phydev) { + phy_device_remove(phydev); + phy_device_free(phydev); + } } device_del(&bus->dev); } diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index c0f211127274..f761288abe66 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -384,6 +384,24 @@ int phy_device_register(struct phy_device *phydev) EXPORT_SYMBOL(phy_device_register); /** + * phy_device_remove - Remove a previously registered phy device from the MDIO bus + * @phydev: phy_device structure to remove + * + * This doesn't free the phy_device itself, it merely reverses the effects + * of phy_device_register(). Use phy_device_free() to free the device + * after calling this function. + */ +void phy_device_remove(struct phy_device *phydev) +{ + struct mii_bus *bus = phydev->bus; + int addr = phydev->addr; + + device_del(&phydev->dev); + bus->phy_map[addr] = NULL; +} +EXPORT_SYMBOL(phy_device_remove); + +/** * phy_find_first - finds the first PHY device on the bus * @bus: the target MII bus */ @@ -578,14 +596,22 @@ EXPORT_SYMBOL(phy_init_hw); * generic driver is used. The phy_device is given a ptr to * the attaching device, and given a callback for link status * change. The phy_device is returned to the attaching driver. + * This function takes a reference on the phy device. */ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, u32 flags, phy_interface_t interface) { + struct mii_bus *bus = phydev->bus; struct device *d = &phydev->dev; - struct module *bus_module; int err; + if (!try_module_get(bus->owner)) { + dev_err(&dev->dev, "failed to get the bus module\n"); + return -EIO; + } + + get_device(d); + /* Assume that if there is no driver, that it doesn't * exist, and we should use the genphy driver. */ @@ -600,20 +626,13 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, err = device_bind_driver(d); if (err) - return err; + goto error; } if (phydev->attached_dev) { dev_err(&dev->dev, "PHY already attached\n"); - return -EBUSY; - } - - /* Increment the bus module reference count */ - bus_module = phydev->bus->dev.driver ? - phydev->bus->dev.driver->owner : NULL; - if (!try_module_get(bus_module)) { - dev_err(&dev->dev, "failed to get the bus module\n"); - return -EIO; + err = -EBUSY; + goto error; } phydev->attached_dev = dev; @@ -636,6 +655,11 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, phy_resume(phydev); return err; + +error: + put_device(d); + module_put(bus->owner); + return err; } EXPORT_SYMBOL(phy_attach_direct); @@ -677,14 +701,15 @@ EXPORT_SYMBOL(phy_attach); /** * phy_detach - detach a PHY device from its network device * @phydev: target phy_device struct + * + * This detaches the phy device from its network device and the phy + * driver, and drops the reference count taken in phy_attach_direct(). */ void phy_detach(struct phy_device *phydev) { + struct mii_bus *bus; int i; - if (phydev->bus->dev.driver) - module_put(phydev->bus->dev.driver->owner); - phydev->attached_dev->phydev = NULL; phydev->attached_dev = NULL; phy_suspend(phydev); @@ -700,6 +725,15 @@ void phy_detach(struct phy_device *phydev) break; } } + + /* + * The phydev might go away on the put_device() below, so avoid + * a use-after-free bug by reading the underlying bus first. + */ + bus = phydev->bus; + + put_device(&phydev->dev); + module_put(bus->owner); } EXPORT_SYMBOL(phy_detach); diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c index 17cad185169d..76cad712ddb2 100644 --- a/drivers/net/phy/vitesse.c +++ b/drivers/net/phy/vitesse.c @@ -66,7 +66,6 @@ #define PHY_ID_VSC8244 0x000fc6c0 #define PHY_ID_VSC8514 0x00070670 #define PHY_ID_VSC8574 0x000704a0 -#define PHY_ID_VSC8641 0x00070431 #define PHY_ID_VSC8662 0x00070660 #define PHY_ID_VSC8221 0x000fc550 #define PHY_ID_VSC8211 0x000fc4b0 @@ -273,18 +272,6 @@ static struct phy_driver vsc82xx_driver[] = { .config_intr = &vsc82xx_config_intr, .driver = { .owner = THIS_MODULE,}, }, { - .phy_id = PHY_ID_VSC8641, - .name = "Vitesse VSC8641", - .phy_id_mask = 0x000ffff0, - .features = PHY_GBIT_FEATURES, - .flags = PHY_HAS_INTERRUPT, - .config_init = &vsc824x_config_init, - .config_aneg = &vsc82x4_config_aneg, - .read_status = &genphy_read_status, - .ack_interrupt = &vsc824x_ack_interrupt, - .config_intr = &vsc82xx_config_intr, - .driver = { .owner = THIS_MODULE,}, -}, { .phy_id = PHY_ID_VSC8662, .name = "Vitesse VSC8662", .phy_id_mask = 0x000ffff0, @@ -331,7 +318,6 @@ static struct mdio_device_id __maybe_unused vitesse_tbl[] = { { PHY_ID_VSC8244, 0x000fffc0 }, { PHY_ID_VSC8514, 0x000ffff0 }, { PHY_ID_VSC8574, 0x000ffff0 }, - { PHY_ID_VSC8641, 0x000ffff0 }, { PHY_ID_VSC8662, 0x000ffff0 }, { PHY_ID_VSC8221, 0x000ffff0 }, { PHY_ID_VSC8211, 0x000ffff0 }, diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 0481daf9201a..ed00446759b2 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -2755,6 +2755,7 @@ static struct ppp *ppp_create_interface(struct net *net, int unit, */ dev_net_set(dev, net); + rtnl_lock(); mutex_lock(&pn->all_ppp_mutex); if (unit < 0) { @@ -2785,7 +2786,7 @@ static struct ppp *ppp_create_interface(struct net *net, int unit, ppp->file.index = unit; sprintf(dev->name, "ppp%d", unit); - ret = register_netdev(dev); + ret = register_netdevice(dev); if (ret != 0) { unit_put(&pn->units_idr, unit); netdev_err(ppp->dev, "PPP: couldn't register device %s (%d)\n", @@ -2797,6 +2798,7 @@ static struct ppp *ppp_create_interface(struct net *net, int unit, atomic_inc(&ppp_unit_count); mutex_unlock(&pn->all_ppp_mutex); + rtnl_unlock(); *retp = 0; return ppp; diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 1610b79ae386..fbb9325d1f6e 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -583,4 +583,15 @@ config USB_VL600 http://ubuntuforums.org/showpost.php?p=10589647&postcount=17 +config USB_NET_CH9200 + tristate "QingHeng CH9200 USB ethernet support" + depends on USB_USBNET + select MII + help + Choose this option if you have a USB ethernet adapter with a QinHeng + CH9200 chipset. + + To compile this driver as a module, choose M here: the + module will be called ch9200. + endif # USB_NET_DRIVERS diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index cf6a0e610a7f..b5f04068dbe4 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -38,4 +38,4 @@ obj-$(CONFIG_USB_NET_HUAWEI_CDC_NCM) += huawei_cdc_ncm.o obj-$(CONFIG_USB_VL600) += lg-vl600.o obj-$(CONFIG_USB_NET_QMI_WWAN) += qmi_wwan.o obj-$(CONFIG_USB_NET_CDC_MBIM) += cdc_mbim.o - +obj-$(CONFIG_USB_NET_CH9200) += ch9200.o diff --git a/drivers/net/usb/ch9200.c b/drivers/net/usb/ch9200.c new file mode 100644 index 000000000000..5e151e6a3e09 --- /dev/null +++ b/drivers/net/usb/ch9200.c @@ -0,0 +1,432 @@ +/* + * USB 10M/100M ethernet adapter + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/sched.h> +#include <linux/stddef.h> +#include <linux/init.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/ethtool.h> +#include <linux/mii.h> +#include <linux/usb.h> +#include <linux/crc32.h> +#include <linux/usb/usbnet.h> +#include <linux/slab.h> + +#define CH9200_VID 0x1A86 +#define CH9200_PID_E092 0xE092 + +#define CTRL_TIMEOUT_MS 1000 + +#define CONTROL_TIMEOUT_MS 1000 + +#define REQUEST_READ 0x0E +#define REQUEST_WRITE 0x0F + +/* Address space: + * 00-63 : MII + * 64-128: MAC + * + * Note: all accesses must be 16-bit + */ + +#define MAC_REG_CTRL 64 +#define MAC_REG_STATUS 66 +#define MAC_REG_INTERRUPT_MASK 68 +#define MAC_REG_PHY_COMMAND 70 +#define MAC_REG_PHY_DATA 72 +#define MAC_REG_STATION_L 74 +#define MAC_REG_STATION_M 76 +#define MAC_REG_STATION_H 78 +#define MAC_REG_HASH_L 80 +#define MAC_REG_HASH_M1 82 +#define MAC_REG_HASH_M2 84 +#define MAC_REG_HASH_H 86 +#define MAC_REG_THRESHOLD 88 +#define MAC_REG_FIFO_DEPTH 90 +#define MAC_REG_PAUSE 92 +#define MAC_REG_FLOW_CONTROL 94 + +/* Control register bits + * + * Note: bits 13 and 15 are reserved + */ +#define LOOPBACK (0x01 << 14) +#define BASE100X (0x01 << 12) +#define MBPS_10 (0x01 << 11) +#define DUPLEX_MODE (0x01 << 10) +#define PAUSE_FRAME (0x01 << 9) +#define PROMISCUOUS (0x01 << 8) +#define MULTICAST (0x01 << 7) +#define BROADCAST (0x01 << 6) +#define HASH (0x01 << 5) +#define APPEND_PAD (0x01 << 4) +#define APPEND_CRC (0x01 << 3) +#define TRANSMITTER_ACTION (0x01 << 2) +#define RECEIVER_ACTION (0x01 << 1) +#define DMA_ACTION (0x01 << 0) + +/* Status register bits + * + * Note: bits 7-15 are reserved + */ +#define ALIGNMENT (0x01 << 6) +#define FIFO_OVER_RUN (0x01 << 5) +#define FIFO_UNDER_RUN (0x01 << 4) +#define RX_ERROR (0x01 << 3) +#define RX_COMPLETE (0x01 << 2) +#define TX_ERROR (0x01 << 1) +#define TX_COMPLETE (0x01 << 0) + +/* FIFO depth register bits + * + * Note: bits 6 and 14 are reserved + */ + +#define ETH_TXBD (0x01 << 15) +#define ETN_TX_FIFO_DEPTH (0x01 << 8) +#define ETH_RXBD (0x01 << 7) +#define ETH_RX_FIFO_DEPTH (0x01 << 0) + +static int control_read(struct usbnet *dev, + unsigned char request, unsigned short value, + unsigned short index, void *data, unsigned short size, + int timeout) +{ + unsigned char *buf = NULL; + unsigned char request_type; + int err = 0; + + if (request == REQUEST_READ) + request_type = (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER); + else + request_type = (USB_DIR_IN | USB_TYPE_VENDOR | + USB_RECIP_DEVICE); + + netdev_dbg(dev->net, "Control_read() index=0x%02x size=%d\n", + index, size); + + buf = kmalloc(size, GFP_KERNEL); + if (!buf) { + err = -ENOMEM; + goto err_out; + } + + err = usb_control_msg(dev->udev, + usb_rcvctrlpipe(dev->udev, 0), + request, request_type, value, index, buf, size, + timeout); + if (err == size) + memcpy(data, buf, size); + else if (err >= 0) + err = -EINVAL; + kfree(buf); + + return err; + +err_out: + return err; +} + +static int control_write(struct usbnet *dev, unsigned char request, + unsigned short value, unsigned short index, + void *data, unsigned short size, int timeout) +{ + unsigned char *buf = NULL; + unsigned char request_type; + int err = 0; + + if (request == REQUEST_WRITE) + request_type = (USB_DIR_OUT | USB_TYPE_VENDOR | + USB_RECIP_OTHER); + else + request_type = (USB_DIR_OUT | USB_TYPE_VENDOR | + USB_RECIP_DEVICE); + + netdev_dbg(dev->net, "Control_write() index=0x%02x size=%d\n", + index, size); + + if (data) { + buf = kmalloc(size, GFP_KERNEL); + if (!buf) { + err = -ENOMEM; + goto err_out; + } + memcpy(buf, data, size); + } + + err = usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + request, request_type, value, index, buf, size, + timeout); + if (err >= 0 && err < size) + err = -EINVAL; + kfree(buf); + + return 0; + +err_out: + return err; +} + +static int ch9200_mdio_read(struct net_device *netdev, int phy_id, int loc) +{ + struct usbnet *dev = netdev_priv(netdev); + unsigned char buff[2]; + + netdev_dbg(netdev, "ch9200_mdio_read phy_id:%02x loc:%02x\n", + phy_id, loc); + + if (phy_id != 0) + return -ENODEV; + + control_read(dev, REQUEST_READ, 0, loc * 2, buff, 0x02, + CONTROL_TIMEOUT_MS); + + return (buff[0] | buff[1] << 8); +} + +static void ch9200_mdio_write(struct net_device *netdev, + int phy_id, int loc, int val) +{ + struct usbnet *dev = netdev_priv(netdev); + unsigned char buff[2]; + + netdev_dbg(netdev, "ch9200_mdio_write() phy_id=%02x loc:%02x\n", + phy_id, loc); + + if (phy_id != 0) + return; + + buff[0] = (unsigned char)val; + buff[1] = (unsigned char)(val >> 8); + + control_write(dev, REQUEST_WRITE, 0, loc * 2, buff, 0x02, + CONTROL_TIMEOUT_MS); +} + +static int ch9200_link_reset(struct usbnet *dev) +{ + struct ethtool_cmd ecmd; + + mii_check_media(&dev->mii, 1, 1); + mii_ethtool_gset(&dev->mii, &ecmd); + + netdev_dbg(dev->net, "link_reset() speed:%d duplex:%d\n", + ecmd.speed, ecmd.duplex); + + return 0; +} + +static void ch9200_status(struct usbnet *dev, struct urb *urb) +{ + int link; + unsigned char *buf; + + if (urb->actual_length < 16) + return; + + buf = urb->transfer_buffer; + link = !!(buf[0] & 0x01); + + if (link) { + netif_carrier_on(dev->net); + usbnet_defer_kevent(dev, EVENT_LINK_RESET); + } else { + netif_carrier_off(dev->net); + } +} + +static struct sk_buff *ch9200_tx_fixup(struct usbnet *dev, struct sk_buff *skb, + gfp_t flags) +{ + int i = 0; + int len = 0; + int tx_overhead = 0; + + tx_overhead = 0x40; + + len = skb->len; + if (skb_headroom(skb) < tx_overhead) { + struct sk_buff *skb2; + + skb2 = skb_copy_expand(skb, tx_overhead, 0, flags); + dev_kfree_skb_any(skb); + skb = skb2; + if (!skb) + return NULL; + } + + __skb_push(skb, tx_overhead); + /* usbnet adds padding if length is a multiple of packet size + * if so, adjust length value in header + */ + if ((skb->len % dev->maxpacket) == 0) + len++; + + skb->data[0] = len; + skb->data[1] = len >> 8; + skb->data[2] = 0x00; + skb->data[3] = 0x80; + + for (i = 4; i < 48; i++) + skb->data[i] = 0x00; + + skb->data[48] = len; + skb->data[49] = len >> 8; + skb->data[50] = 0x00; + skb->data[51] = 0x80; + + for (i = 52; i < 64; i++) + skb->data[i] = 0x00; + + return skb; +} + +static int ch9200_rx_fixup(struct usbnet *dev, struct sk_buff *skb) +{ + int len = 0; + int rx_overhead = 0; + + rx_overhead = 64; + + if (unlikely(skb->len < rx_overhead)) { + dev_err(&dev->udev->dev, "unexpected tiny rx frame\n"); + return 0; + } + + len = (skb->data[skb->len - 16] | skb->data[skb->len - 15] << 8); + skb_trim(skb, len); + + return 1; +} + +static int get_mac_address(struct usbnet *dev, unsigned char *data) +{ + int err = 0; + unsigned char mac_addr[0x06]; + int rd_mac_len = 0; + + netdev_dbg(dev->net, "get_mac_address:\n\tusbnet VID:%0x PID:%0x\n", + dev->udev->descriptor.idVendor, + dev->udev->descriptor.idProduct); + + memset(mac_addr, 0, sizeof(mac_addr)); + rd_mac_len = control_read(dev, REQUEST_READ, 0, + MAC_REG_STATION_L, mac_addr, 0x02, + CONTROL_TIMEOUT_MS); + rd_mac_len += control_read(dev, REQUEST_READ, 0, MAC_REG_STATION_M, + mac_addr + 2, 0x02, CONTROL_TIMEOUT_MS); + rd_mac_len += control_read(dev, REQUEST_READ, 0, MAC_REG_STATION_H, + mac_addr + 4, 0x02, CONTROL_TIMEOUT_MS); + if (rd_mac_len != ETH_ALEN) + err = -EINVAL; + + data[0] = mac_addr[5]; + data[1] = mac_addr[4]; + data[2] = mac_addr[3]; + data[3] = mac_addr[2]; + data[4] = mac_addr[1]; + data[5] = mac_addr[0]; + + return err; +} + +static int ch9200_bind(struct usbnet *dev, struct usb_interface *intf) +{ + int retval = 0; + unsigned char data[2]; + + retval = usbnet_get_endpoints(dev, intf); + if (retval) + return retval; + + dev->mii.dev = dev->net; + dev->mii.mdio_read = ch9200_mdio_read; + dev->mii.mdio_write = ch9200_mdio_write; + dev->mii.reg_num_mask = 0x1f; + + dev->mii.phy_id_mask = 0x1f; + + dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; + dev->rx_urb_size = 24 * 64 + 16; + mii_nway_restart(&dev->mii); + + data[0] = 0x01; + data[1] = 0x0F; + retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_THRESHOLD, data, + 0x02, CONTROL_TIMEOUT_MS); + + data[0] = 0xA0; + data[1] = 0x90; + retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_FIFO_DEPTH, data, + 0x02, CONTROL_TIMEOUT_MS); + + data[0] = 0x30; + data[1] = 0x00; + retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_PAUSE, data, + 0x02, CONTROL_TIMEOUT_MS); + + data[0] = 0x17; + data[1] = 0xD8; + retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_FLOW_CONTROL, + data, 0x02, CONTROL_TIMEOUT_MS); + + /* Undocumented register */ + data[0] = 0x01; + data[1] = 0x00; + retval = control_write(dev, REQUEST_WRITE, 0, 254, data, 0x02, + CONTROL_TIMEOUT_MS); + + data[0] = 0x5F; + data[1] = 0x0D; + retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_CTRL, data, 0x02, + CONTROL_TIMEOUT_MS); + + retval = get_mac_address(dev, dev->net->dev_addr); + + return retval; +} + +static const struct driver_info ch9200_info = { + .description = "CH9200 USB to Network Adaptor", + .flags = FLAG_ETHER, + .bind = ch9200_bind, + .rx_fixup = ch9200_rx_fixup, + .tx_fixup = ch9200_tx_fixup, + .status = ch9200_status, + .link_reset = ch9200_link_reset, + .reset = ch9200_link_reset, +}; + +static const struct usb_device_id ch9200_products[] = { + { + USB_DEVICE(0x1A86, 0xE092), + .driver_info = (unsigned long)&ch9200_info, + }, + {}, +}; + +MODULE_DEVICE_TABLE(usb, ch9200_products); + +static struct usb_driver ch9200_driver = { + .name = "ch9200", + .id_table = ch9200_products, + .probe = usbnet_probe, + .disconnect = usbnet_disconnect, + .suspend = usbnet_suspend, + .resume = usbnet_resume, +}; + +module_usb_driver(ch9200_driver); + +MODULE_DESCRIPTION("QinHeng CH9200 USB Network device"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index e7094fbd7568..488c6f50df73 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -193,7 +193,8 @@ static netdev_tx_t vrf_process_v4_outbound(struct sk_buff *skb, .flowi4_oif = vrf_dev->ifindex, .flowi4_iif = LOOPBACK_IFINDEX, .flowi4_tos = RT_TOS(ip4h->tos), - .flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_VRFSRC, + .flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_VRFSRC | + FLOWI_FLAG_SKIP_NH_OIF, .daddr = ip4h->daddr, }; diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index cf8b7f0473b3..bbac1d35ed4e 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2392,10 +2392,6 @@ static void vxlan_setup(struct net_device *dev) eth_hw_addr_random(dev); ether_setup(dev); - if (vxlan->default_dst.remote_ip.sa.sa_family == AF_INET6) - dev->needed_headroom = ETH_HLEN + VXLAN6_HEADROOM; - else - dev->needed_headroom = ETH_HLEN + VXLAN_HEADROOM; dev->netdev_ops = &vxlan_netdev_ops; dev->destructor = free_netdev; @@ -2640,8 +2636,11 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev, dst->remote_ip.sa.sa_family = AF_INET; if (dst->remote_ip.sa.sa_family == AF_INET6 || - vxlan->cfg.saddr.sa.sa_family == AF_INET6) + vxlan->cfg.saddr.sa.sa_family == AF_INET6) { + if (!IS_ENABLED(CONFIG_IPV6)) + return -EPFNOSUPPORT; use_ipv6 = true; + } if (conf->remote_ifindex) { struct net_device *lowerdev @@ -2670,8 +2669,12 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev, dev->needed_headroom = lowerdev->hard_header_len + (use_ipv6 ? VXLAN6_HEADROOM : VXLAN_HEADROOM); - } else if (use_ipv6) + } else if (use_ipv6) { vxlan->flags |= VXLAN_F_IPV6; + dev->needed_headroom = ETH_HLEN + VXLAN6_HEADROOM; + } else { + dev->needed_headroom = ETH_HLEN + VXLAN_HEADROOM; + } memcpy(&vxlan->cfg, conf, sizeof(*conf)); if (!vxlan->cfg.dst_port) diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index 1350fa25cdb0..a87a868fed64 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -197,7 +197,8 @@ static int of_phy_match(struct device *dev, void *phy_np) * of_phy_find_device - Give a PHY node, find the phy_device * @phy_np: Pointer to the phy's device tree node * - * Returns a pointer to the phy_device. + * If successful, returns a pointer to the phy_device with the embedded + * struct device refcount incremented by one, or NULL on failure. */ struct phy_device *of_phy_find_device(struct device_node *phy_np) { @@ -217,7 +218,9 @@ EXPORT_SYMBOL(of_phy_find_device); * @hndlr: Link state callback for the network device * @iface: PHY data interface type * - * Returns a pointer to the phy_device if successful. NULL otherwise + * If successful, returns a pointer to the phy_device with the embedded + * struct device refcount incremented by one, or NULL on failure. The + * refcount must be dropped by calling phy_disconnect() or phy_detach(). */ struct phy_device *of_phy_connect(struct net_device *dev, struct device_node *phy_np, @@ -225,13 +228,19 @@ struct phy_device *of_phy_connect(struct net_device *dev, phy_interface_t iface) { struct phy_device *phy = of_phy_find_device(phy_np); + int ret; if (!phy) return NULL; phy->dev_flags = flags; - return phy_connect_direct(dev, phy, hndlr, iface) ? NULL : phy; + ret = phy_connect_direct(dev, phy, hndlr, iface); + + /* refcount is held by phy_connect_direct() on success */ + put_device(&phy->dev); + + return ret ? NULL : phy; } EXPORT_SYMBOL(of_phy_connect); @@ -241,17 +250,27 @@ EXPORT_SYMBOL(of_phy_connect); * @phy_np: Node pointer for the PHY * @flags: flags to pass to the PHY * @iface: PHY data interface type + * + * If successful, returns a pointer to the phy_device with the embedded + * struct device refcount incremented by one, or NULL on failure. The + * refcount must be dropped by calling phy_disconnect() or phy_detach(). */ struct phy_device *of_phy_attach(struct net_device *dev, struct device_node *phy_np, u32 flags, phy_interface_t iface) { struct phy_device *phy = of_phy_find_device(phy_np); + int ret; if (!phy) return NULL; - return phy_attach_direct(dev, phy, flags, iface) ? NULL : phy; + ret = phy_attach_direct(dev, phy, flags, iface); + + /* refcount is held by phy_attach_direct() on success */ + put_device(&phy->dev); + + return ret ? NULL : phy; } EXPORT_SYMBOL(of_phy_attach); diff --git a/drivers/of/of_pci_irq.c b/drivers/of/of_pci_irq.c index 1710d9dc7fc2..2306313c0029 100644 --- a/drivers/of/of_pci_irq.c +++ b/drivers/of/of_pci_irq.c @@ -38,8 +38,8 @@ int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq */ rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin); if (rc != 0) - return rc; - /* No pin, exit */ + goto err; + /* No pin, exit with no error message. */ if (pin == 0) return -ENODEV; @@ -53,8 +53,10 @@ int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq ppnode = pci_bus_to_OF_node(pdev->bus); /* No node for host bridge ? give up */ - if (ppnode == NULL) - return -EINVAL; + if (ppnode == NULL) { + rc = -EINVAL; + goto err; + } } else { /* We found a P2P bridge, check if it has a node */ ppnode = pci_device_to_OF_node(ppdev); @@ -86,7 +88,13 @@ int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq out_irq->args[0] = pin; laddr[0] = cpu_to_be32((pdev->bus->number << 16) | (pdev->devfn << 8)); laddr[1] = laddr[2] = cpu_to_be32(0); - return of_irq_parse_raw(laddr, out_irq); + rc = of_irq_parse_raw(laddr, out_irq); + if (rc) + goto err; + return 0; +err: + dev_err(&pdev->dev, "of_irq_parse_pci() failed with rc=%d\n", rc); + return rc; } EXPORT_SYMBOL_GPL(of_irq_parse_pci); @@ -105,10 +113,8 @@ int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin) int ret; ret = of_irq_parse_pci(dev, &oirq); - if (ret) { - dev_err(&dev->dev, "of_irq_parse_pci() failed with rc=%d\n", ret); + if (ret) return 0; /* Proper return code 0 == NO_IRQ */ - } return irq_create_of_mapping(&oirq); } diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c index baec33c4e698..a0580afe1713 100644 --- a/drivers/parisc/dino.c +++ b/drivers/parisc/dino.c @@ -560,6 +560,9 @@ dino_fixup_bus(struct pci_bus *bus) } else if (bus->parent) { int i; + pci_read_bridge_bases(bus); + + for(i = PCI_BRIDGE_RESOURCES; i < PCI_NUM_RESOURCES; i++) { if((bus->self->resource[i].flags & (IORESOURCE_IO | IORESOURCE_MEM)) == 0) diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c index 7b9e89ba0465..a32c1f6c252c 100644 --- a/drivers/parisc/lba_pci.c +++ b/drivers/parisc/lba_pci.c @@ -693,6 +693,7 @@ lba_fixup_bus(struct pci_bus *bus) if (bus->parent) { int i; /* PCI-PCI Bridge */ + pci_read_bridge_bases(bus); for (i = PCI_BRIDGE_RESOURCES; i < PCI_NUM_RESOURCES; i++) pci_claim_bridge_resource(bus->self, i); } else { diff --git a/drivers/pci/access.c b/drivers/pci/access.c index 769f7e35f1a2..59ac36fe7c42 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -442,7 +442,8 @@ static const struct pci_vpd_ops pci_vpd_pci22_ops = { static ssize_t pci_vpd_f0_read(struct pci_dev *dev, loff_t pos, size_t count, void *arg) { - struct pci_dev *tdev = pci_get_slot(dev->bus, PCI_SLOT(dev->devfn)); + struct pci_dev *tdev = pci_get_slot(dev->bus, + PCI_DEVFN(PCI_SLOT(dev->devfn), 0)); ssize_t ret; if (!tdev) @@ -456,7 +457,8 @@ static ssize_t pci_vpd_f0_read(struct pci_dev *dev, loff_t pos, size_t count, static ssize_t pci_vpd_f0_write(struct pci_dev *dev, loff_t pos, size_t count, const void *arg) { - struct pci_dev *tdev = pci_get_slot(dev->bus, PCI_SLOT(dev->devfn)); + struct pci_dev *tdev = pci_get_slot(dev->bus, + PCI_DEVFN(PCI_SLOT(dev->devfn), 0)); ssize_t ret; if (!tdev) @@ -473,22 +475,6 @@ static const struct pci_vpd_ops pci_vpd_f0_ops = { .release = pci_vpd_pci22_release, }; -static int pci_vpd_f0_dev_check(struct pci_dev *dev) -{ - struct pci_dev *tdev = pci_get_slot(dev->bus, PCI_SLOT(dev->devfn)); - int ret = 0; - - if (!tdev) - return -ENODEV; - if (!tdev->vpd || !tdev->multifunction || - dev->class != tdev->class || dev->vendor != tdev->vendor || - dev->device != tdev->device) - ret = -ENODEV; - - pci_dev_put(tdev); - return ret; -} - int pci_vpd_pci22_init(struct pci_dev *dev) { struct pci_vpd_pci22 *vpd; @@ -497,12 +483,7 @@ int pci_vpd_pci22_init(struct pci_dev *dev) cap = pci_find_capability(dev, PCI_CAP_ID_VPD); if (!cap) return -ENODEV; - if (dev->dev_flags & PCI_DEV_FLAGS_VPD_REF_F0) { - int ret = pci_vpd_f0_dev_check(dev); - if (ret) - return ret; - } vpd = kzalloc(sizeof(*vpd), GFP_ATOMIC); if (!vpd) return -ENOMEM; diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 6fbd3f2b5992..d3346d23963b 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -256,6 +256,8 @@ bool pci_bus_clip_resource(struct pci_dev *dev, int idx) res->start = start; res->end = end; + res->flags &= ~IORESOURCE_UNSET; + orig_res.flags &= ~IORESOURCE_UNSET; dev_printk(KERN_DEBUG, &dev->dev, "%pR clipped to %pR\n", &orig_res, res); diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c index 367e28fa7564..c4f64bfee551 100644 --- a/drivers/pci/host/pci-rcar-gen2.c +++ b/drivers/pci/host/pci-rcar-gen2.c @@ -362,6 +362,7 @@ static int rcar_pci_probe(struct platform_device *pdev) static struct of_device_id rcar_pci_of_match[] = { { .compatible = "renesas,pci-r8a7790", }, { .compatible = "renesas,pci-r8a7791", }, + { .compatible = "renesas,pci-r8a7794", }, { }, }; diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 0b2be174d981..8361d27e5eca 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -676,15 +676,20 @@ static struct irq_domain *pci_host_bridge_msi_domain(struct pci_bus *bus) static void pci_set_bus_msi_domain(struct pci_bus *bus) { struct irq_domain *d; + struct pci_bus *b; /* - * Either bus is the root, and we must obtain it from the - * firmware, or we inherit it from the bridge device. + * The bus can be a root bus, a subordinate bus, or a virtual bus + * created by an SR-IOV device. Walk up to the first bridge device + * found or derive the domain from the host bridge. */ - if (pci_is_root_bus(bus)) - d = pci_host_bridge_msi_domain(bus); - else - d = dev_get_msi_domain(&bus->self->dev); + for (b = bus, d = NULL; !d && !pci_is_root_bus(b); b = b->parent) { + if (b->self) + d = dev_get_msi_domain(&b->self->dev); + } + + if (!d) + d = pci_host_bridge_msi_domain(b); dev_set_msi_domain(&bus->dev, d); } @@ -855,9 +860,6 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass) child->bridge_ctl = bctl; } - /* Read and initialize bridge resources */ - pci_read_bridge_bases(child); - cmax = pci_scan_child_bus(child); if (cmax > subordinate) dev_warn(&dev->dev, "bridge has subordinate %02x but max busn %02x\n", @@ -918,9 +920,6 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass) if (!is_cardbus) { child->bridge_ctl = bctl; - - /* Read and initialize bridge resources */ - pci_read_bridge_bases(child); max = pci_scan_child_bus(child); } else { /* diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 6a30252cd79f..b03373fd05ca 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1907,11 +1907,27 @@ static void quirk_netmos(struct pci_dev *dev) DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_NETMOS, PCI_ANY_ID, PCI_CLASS_COMMUNICATION_SERIAL, 8, quirk_netmos); +/* + * Quirk non-zero PCI functions to route VPD access through function 0 for + * devices that share VPD resources between functions. The functions are + * expected to be identical devices. + */ static void quirk_f0_vpd_link(struct pci_dev *dev) { - if (!dev->multifunction || !PCI_FUNC(dev->devfn)) + struct pci_dev *f0; + + if (!PCI_FUNC(dev->devfn)) return; - dev->dev_flags |= PCI_DEV_FLAGS_VPD_REF_F0; + + f0 = pci_get_slot(dev->bus, PCI_DEVFN(PCI_SLOT(dev->devfn), 0)); + if (!f0) + return; + + if (f0->vpd && dev->class == f0->class && + dev->vendor == f0->vendor && dev->device == f0->device) + dev->dev_flags |= PCI_DEV_FLAGS_VPD_REF_F0; + + pci_dev_put(f0); } DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_CLASS_NETWORK_ETHERNET, 8, quirk_f0_vpd_link); diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index 738adfa5332b..52ea605f8130 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -318,6 +318,7 @@ static const struct of_device_id of_anatop_regulator_match_tbl[] = { { .compatible = "fsl,anatop-regulator", }, { /* end */ } }; +MODULE_DEVICE_TABLE(of, of_anatop_regulator_match_tbl); static struct platform_driver anatop_regulator_driver = { .driver = { diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 7a85ac9e32c5..7849187d91ae 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1394,15 +1394,15 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) return 0; r = regulator_dev_lookup(dev, rdev->supply_name, &ret); - if (ret == -ENODEV) { - /* - * No supply was specified for this regulator and - * there will never be one. - */ - return 0; - } - if (!r) { + if (ret == -ENODEV) { + /* + * No supply was specified for this regulator and + * there will never be one. + */ + return 0; + } + if (have_full_constraints()) { r = dummy_regulator_rdev; } else { @@ -1422,11 +1422,10 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) return ret; /* Cascade always-on state to supply */ - if (_regulator_is_enabled(rdev)) { + if (_regulator_is_enabled(rdev) && rdev->supply) { ret = regulator_enable(rdev->supply); if (ret < 0) { - if (rdev->supply) - _regulator_put(rdev->supply); + _regulator_put(rdev->supply); return ret; } } diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c index 464018de7e97..7bba8b747f30 100644 --- a/drivers/regulator/gpio-regulator.c +++ b/drivers/regulator/gpio-regulator.c @@ -394,6 +394,7 @@ static const struct of_device_id regulator_gpio_of_match[] = { { .compatible = "regulator-gpio", }, {}, }; +MODULE_DEVICE_TABLE(of, regulator_gpio_of_match); #endif static struct platform_driver gpio_regulator_driver = { diff --git a/drivers/regulator/pbias-regulator.c b/drivers/regulator/pbias-regulator.c index 4fa7bcaf454e..f9d74d63be7c 100644 --- a/drivers/regulator/pbias-regulator.c +++ b/drivers/regulator/pbias-regulator.c @@ -45,6 +45,10 @@ struct pbias_regulator_data { int voltage; }; +struct pbias_of_data { + unsigned int offset; +}; + static const unsigned int pbias_volt_table[] = { 1800000, 3000000 @@ -102,8 +106,35 @@ static struct of_regulator_match pbias_matches[] = { }; #define PBIAS_NUM_REGS ARRAY_SIZE(pbias_matches) +/* Offset from SCM general area (and syscon) base */ + +static const struct pbias_of_data pbias_of_data_omap2 = { + .offset = 0x230, +}; + +static const struct pbias_of_data pbias_of_data_omap3 = { + .offset = 0x2b0, +}; + +static const struct pbias_of_data pbias_of_data_omap4 = { + .offset = 0x60, +}; + +static const struct pbias_of_data pbias_of_data_omap5 = { + .offset = 0x60, +}; + +static const struct pbias_of_data pbias_of_data_dra7 = { + .offset = 0xe00, +}; + static const struct of_device_id pbias_of_match[] = { { .compatible = "ti,pbias-omap", }, + { .compatible = "ti,pbias-omap2", .data = &pbias_of_data_omap2, }, + { .compatible = "ti,pbias-omap3", .data = &pbias_of_data_omap3, }, + { .compatible = "ti,pbias-omap4", .data = &pbias_of_data_omap4, }, + { .compatible = "ti,pbias-omap5", .data = &pbias_of_data_omap5, }, + { .compatible = "ti,pbias-dra7", .data = &pbias_of_data_dra7, }, {}, }; MODULE_DEVICE_TABLE(of, pbias_of_match); @@ -118,6 +149,9 @@ static int pbias_regulator_probe(struct platform_device *pdev) const struct pbias_reg_info *info; int ret = 0; int count, idx, data_idx = 0; + const struct of_device_id *match; + const struct pbias_of_data *data; + unsigned int offset; count = of_regulator_match(&pdev->dev, np, pbias_matches, PBIAS_NUM_REGS); @@ -133,6 +167,20 @@ static int pbias_regulator_probe(struct platform_device *pdev) if (IS_ERR(syscon)) return PTR_ERR(syscon); + match = of_match_device(of_match_ptr(pbias_of_match), &pdev->dev); + if (match && match->data) { + data = match->data; + offset = data->offset; + } else { + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; + + offset = res->start; + dev_WARN(&pdev->dev, + "using legacy dt data for pbias offset\n"); + } + cfg.regmap = syscon; cfg.dev = &pdev->dev; @@ -145,10 +193,6 @@ static int pbias_regulator_probe(struct platform_device *pdev) if (!info) return -ENODEV; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; - drvdata[data_idx].syscon = syscon; drvdata[data_idx].info = info; drvdata[data_idx].desc.name = info->name; @@ -158,9 +202,9 @@ static int pbias_regulator_probe(struct platform_device *pdev) drvdata[data_idx].desc.volt_table = pbias_volt_table; drvdata[data_idx].desc.n_voltages = 2; drvdata[data_idx].desc.enable_time = info->enable_time; - drvdata[data_idx].desc.vsel_reg = res->start; + drvdata[data_idx].desc.vsel_reg = offset; drvdata[data_idx].desc.vsel_mask = info->vmode; - drvdata[data_idx].desc.enable_reg = res->start; + drvdata[data_idx].desc.enable_reg = offset; drvdata[data_idx].desc.enable_mask = info->enable_mask; drvdata[data_idx].desc.enable_val = info->enable; drvdata[data_idx].desc.disable_val = info->disable_val; diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c index 7f97223f95c5..a02c1b961039 100644 --- a/drivers/regulator/tps65218-regulator.c +++ b/drivers/regulator/tps65218-regulator.c @@ -73,7 +73,7 @@ static const struct regulator_linear_range dcdc4_ranges[] = { }; static struct tps_info tps65218_pmic_regs[] = { - TPS65218_INFO(DCDC1, "DCDC1", 850000, 167500), + TPS65218_INFO(DCDC1, "DCDC1", 850000, 1675000), TPS65218_INFO(DCDC2, "DCDC2", 850000, 1675000), TPS65218_INFO(DCDC3, "DCDC3", 900000, 3400000), TPS65218_INFO(DCDC4, "DCDC4", 1175000, 3400000), diff --git a/drivers/regulator/vexpress.c b/drivers/regulator/vexpress.c index bed9d3ee4198..c810cbbd463f 100644 --- a/drivers/regulator/vexpress.c +++ b/drivers/regulator/vexpress.c @@ -103,6 +103,7 @@ static const struct of_device_id vexpress_regulator_of_match[] = { { .compatible = "arm,vexpress-volt", }, { } }; +MODULE_DEVICE_TABLE(of, vexpress_regulator_of_match); static struct platform_driver vexpress_regulator_driver = { .probe = vexpress_regulator_probe, diff --git a/drivers/sh/pm_runtime.c b/drivers/sh/pm_runtime.c index d3d1891cda3c..25abd4eb7d10 100644 --- a/drivers/sh/pm_runtime.c +++ b/drivers/sh/pm_runtime.c @@ -35,20 +35,11 @@ static struct pm_clk_notifier_block platform_bus_notifier = { static int __init sh_pm_runtime_init(void) { if (IS_ENABLED(CONFIG_ARCH_SHMOBILE_MULTI)) { - if (!of_machine_is_compatible("renesas,emev2") && - !of_machine_is_compatible("renesas,r7s72100") && -#ifndef CONFIG_PM_GENERIC_DOMAINS_OF - !of_machine_is_compatible("renesas,r8a73a4") && - !of_machine_is_compatible("renesas,r8a7740") && - !of_machine_is_compatible("renesas,sh73a0") && -#endif - !of_machine_is_compatible("renesas,r8a7778") && - !of_machine_is_compatible("renesas,r8a7779") && - !of_machine_is_compatible("renesas,r8a7790") && - !of_machine_is_compatible("renesas,r8a7791") && - !of_machine_is_compatible("renesas,r8a7792") && - !of_machine_is_compatible("renesas,r8a7793") && - !of_machine_is_compatible("renesas,r8a7794")) + if (!of_find_compatible_node(NULL, NULL, + "renesas,cpg-mstp-clocks")) + return 0; + if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS_OF) && + of_find_node_with_property(NULL, "#power-domain-cells")) return 0; } diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index bf9ed380bb1c..63318e2afba1 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -1720,6 +1720,7 @@ static int atmel_spi_runtime_resume(struct device *dev) return clk_prepare_enable(as->clk); } +#ifdef CONFIG_PM_SLEEP static int atmel_spi_suspend(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); @@ -1756,6 +1757,7 @@ static int atmel_spi_resume(struct device *dev) return ret; } +#endif static const struct dev_pm_ops atmel_spi_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(atmel_spi_suspend, atmel_spi_resume) diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index e7874a6171ec..3e8eeb23d4e9 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -386,14 +386,14 @@ static bool bcm2835_spi_can_dma(struct spi_master *master, /* otherwise we only allow transfers within the same page * to avoid wasting time on dma_mapping when it is not practical */ - if (((size_t)tfr->tx_buf & PAGE_MASK) + tfr->len > PAGE_SIZE) { + if (((size_t)tfr->tx_buf & (PAGE_SIZE - 1)) + tfr->len > PAGE_SIZE) { dev_warn_once(&spi->dev, "Unaligned spi tx-transfer bridging page\n"); return false; } - if (((size_t)tfr->rx_buf & PAGE_MASK) + tfr->len > PAGE_SIZE) { + if (((size_t)tfr->rx_buf & (PAGE_SIZE - 1)) + tfr->len > PAGE_SIZE) { dev_warn_once(&spi->dev, - "Unaligned spi tx-transfer bridging page\n"); + "Unaligned spi rx-transfer bridging page\n"); return false; } diff --git a/drivers/spi/spi-meson-spifc.c b/drivers/spi/spi-meson-spifc.c index 5468fc70dbf8..2465259f6241 100644 --- a/drivers/spi/spi-meson-spifc.c +++ b/drivers/spi/spi-meson-spifc.c @@ -444,6 +444,7 @@ static const struct of_device_id meson_spifc_dt_match[] = { { .compatible = "amlogic,meson6-spifc", }, { }, }; +MODULE_DEVICE_TABLE(of, meson_spifc_dt_match); static struct platform_driver meson_spifc_driver = { .probe = meson_spifc_probe, diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index 5f6315c47920..ecb6c58238c4 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -85,7 +85,7 @@ struct mtk_spi { void __iomem *base; u32 state; u32 pad_sel; - struct clk *spi_clk, *parent_clk; + struct clk *parent_clk, *sel_clk, *spi_clk; struct spi_transfer *cur_transfer; u32 xfer_len; struct scatterlist *tx_sgl, *rx_sgl; @@ -173,22 +173,6 @@ static void mtk_spi_config(struct mtk_spi *mdata, writel(mdata->pad_sel, mdata->base + SPI_PAD_SEL_REG); } -static int mtk_spi_prepare_hardware(struct spi_master *master) -{ - struct spi_transfer *trans; - struct mtk_spi *mdata = spi_master_get_devdata(master); - struct spi_message *msg = master->cur_msg; - - trans = list_first_entry(&msg->transfers, struct spi_transfer, - transfer_list); - if (!trans->cs_change) { - mdata->state = MTK_SPI_IDLE; - mtk_spi_reset(mdata); - } - - return 0; -} - static int mtk_spi_prepare_message(struct spi_master *master, struct spi_message *msg) { @@ -228,11 +212,15 @@ static void mtk_spi_set_cs(struct spi_device *spi, bool enable) struct mtk_spi *mdata = spi_master_get_devdata(spi->master); reg_val = readl(mdata->base + SPI_CMD_REG); - if (!enable) + if (!enable) { reg_val |= SPI_CMD_PAUSE_EN; - else + writel(reg_val, mdata->base + SPI_CMD_REG); + } else { reg_val &= ~SPI_CMD_PAUSE_EN; - writel(reg_val, mdata->base + SPI_CMD_REG); + writel(reg_val, mdata->base + SPI_CMD_REG); + mdata->state = MTK_SPI_IDLE; + mtk_spi_reset(mdata); + } } static void mtk_spi_prepare_transfer(struct spi_master *master, @@ -509,7 +497,6 @@ static int mtk_spi_probe(struct platform_device *pdev) master->mode_bits = SPI_CPOL | SPI_CPHA; master->set_cs = mtk_spi_set_cs; - master->prepare_transfer_hardware = mtk_spi_prepare_hardware; master->prepare_message = mtk_spi_prepare_message; master->transfer_one = mtk_spi_transfer_one; master->can_dma = mtk_spi_can_dma; @@ -576,13 +563,6 @@ static int mtk_spi_probe(struct platform_device *pdev) goto err_put_master; } - mdata->spi_clk = devm_clk_get(&pdev->dev, "spi-clk"); - if (IS_ERR(mdata->spi_clk)) { - ret = PTR_ERR(mdata->spi_clk); - dev_err(&pdev->dev, "failed to get spi-clk: %d\n", ret); - goto err_put_master; - } - mdata->parent_clk = devm_clk_get(&pdev->dev, "parent-clk"); if (IS_ERR(mdata->parent_clk)) { ret = PTR_ERR(mdata->parent_clk); @@ -590,13 +570,27 @@ static int mtk_spi_probe(struct platform_device *pdev) goto err_put_master; } + mdata->sel_clk = devm_clk_get(&pdev->dev, "sel-clk"); + if (IS_ERR(mdata->sel_clk)) { + ret = PTR_ERR(mdata->sel_clk); + dev_err(&pdev->dev, "failed to get sel-clk: %d\n", ret); + goto err_put_master; + } + + mdata->spi_clk = devm_clk_get(&pdev->dev, "spi-clk"); + if (IS_ERR(mdata->spi_clk)) { + ret = PTR_ERR(mdata->spi_clk); + dev_err(&pdev->dev, "failed to get spi-clk: %d\n", ret); + goto err_put_master; + } + ret = clk_prepare_enable(mdata->spi_clk); if (ret < 0) { dev_err(&pdev->dev, "failed to enable spi_clk (%d)\n", ret); goto err_put_master; } - ret = clk_set_parent(mdata->spi_clk, mdata->parent_clk); + ret = clk_set_parent(mdata->sel_clk, mdata->parent_clk); if (ret < 0) { dev_err(&pdev->dev, "failed to clk_set_parent (%d)\n", ret); goto err_disable_clk; @@ -630,7 +624,6 @@ static int mtk_spi_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); mtk_spi_reset(mdata); - clk_disable_unprepare(mdata->spi_clk); spi_master_put(master); return 0; diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index fdd791977041..a8ef38ebb9c9 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -654,6 +654,10 @@ static irqreturn_t ssp_int(int irq, void *dev_id) if (!(sccr1_reg & SSCR1_TIE)) mask &= ~SSSR_TFS; + /* Ignore RX timeout interrupt if it is disabled */ + if (!(sccr1_reg & SSCR1_TINTE)) + mask &= ~SSSR_TINT; + if (!(status & mask)) return IRQ_NONE; diff --git a/drivers/spi/spi-xtensa-xtfpga.c b/drivers/spi/spi-xtensa-xtfpga.c index 2e32ea2f194f..be6155cba9de 100644 --- a/drivers/spi/spi-xtensa-xtfpga.c +++ b/drivers/spi/spi-xtensa-xtfpga.c @@ -34,13 +34,13 @@ struct xtfpga_spi { static inline void xtfpga_spi_write32(const struct xtfpga_spi *spi, unsigned addr, u32 val) { - iowrite32(val, spi->regs + addr); + __raw_writel(val, spi->regs + addr); } static inline unsigned int xtfpga_spi_read32(const struct xtfpga_spi *spi, unsigned addr) { - return ioread32(spi->regs + addr); + return __raw_readl(spi->regs + addr); } static inline void xtfpga_spi_wait_busy(struct xtfpga_spi *xspi) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 3abb3903f2ad..a5f53de813d3 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1610,8 +1610,7 @@ static struct class spi_master_class = { * * The caller is responsible for assigning the bus number and initializing * the master's methods before calling spi_register_master(); and (after errors - * adding the device) calling spi_master_put() and kfree() to prevent a memory - * leak. + * adding the device) calling spi_master_put() to prevent a memory leak. */ struct spi_master *spi_alloc_master(struct device *dev, unsigned size) { diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index fba92a526531..ef008e52f953 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -651,7 +651,8 @@ static int spidev_release(struct inode *inode, struct file *filp) kfree(spidev->rx_buffer); spidev->rx_buffer = NULL; - spidev->speed_hz = spidev->spi->max_speed_hz; + if (spidev->spi) + spidev->speed_hz = spidev->spi->max_speed_hz; /* ... after we unbound from the underlying device? */ spin_lock_irq(&spidev->spi_lock); diff --git a/drivers/staging/android/TODO b/drivers/staging/android/TODO index 20288fc53946..8f3ac37bfe12 100644 --- a/drivers/staging/android/TODO +++ b/drivers/staging/android/TODO @@ -5,5 +5,25 @@ TODO: - add proper arch dependencies as needed - audit userspace interfaces to make sure they are sane + +ion/ + - Remove ION_IOC_SYNC: Flushing for devices should be purely a kernel internal + interface on top of dma-buf. flush_for_device needs to be added to dma-buf + first. + - Remove ION_IOC_CUSTOM: Atm used for cache flushing for cpu access in some + vendor trees. Should be replaced with an ioctl on the dma-buf to expose the + begin/end_cpu_access hooks to userspace. + - Clarify the tricks ion plays with explicitly managing coherency behind the + dma api's back (this is absolutely needed for high-perf gpu drivers): Add an + explicit coherency management mode to flush_for_device to be used by drivers + which want to manage caches themselves and which indicates whether cpu caches + need flushing. + - With those removed there's probably no use for ION_IOC_IMPORT anymore either + since ion would just be the central allocator for shared buffers. + - Add dt-binding to expose cma regions as ion heaps, with the rule that any + such cma regions must already be used by some device for dma. I.e. ion only + exposes existing cma regions and doesn't reserve unecessarily memory when + booting a system which doesn't use ion. + Please send patches to Greg Kroah-Hartman <greg@kroah.com> and Cc: Arve HjønnevÃ¥g <arve@android.com> and Riley Andrews <riandrews@android.com> diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c index 217aa537c4eb..6e8d8392ca38 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -1179,13 +1179,13 @@ struct ion_handle *ion_import_dma_buf(struct ion_client *client, int fd) mutex_unlock(&client->lock); goto end; } - mutex_unlock(&client->lock); handle = ion_handle_create(client, buffer); - if (IS_ERR(handle)) + if (IS_ERR(handle)) { + mutex_unlock(&client->lock); goto end; + } - mutex_lock(&client->lock); ret = ion_handle_add(client, handle); mutex_unlock(&client->lock); if (ret) { diff --git a/drivers/staging/fbtft/fb_uc1611.c b/drivers/staging/fbtft/fb_uc1611.c index 32f3a9d921d6..5cafa50d1fac 100644 --- a/drivers/staging/fbtft/fb_uc1611.c +++ b/drivers/staging/fbtft/fb_uc1611.c @@ -76,7 +76,7 @@ static int init_display(struct fbtft_par *par) /* Set CS active high */ par->spi->mode |= SPI_CS_HIGH; - ret = par->spi->master->setup(par->spi); + ret = spi_setup(par->spi); if (ret) { dev_err(par->info->device, "Could not set SPI_CS_HIGH\n"); return ret; diff --git a/drivers/staging/fbtft/fb_watterott.c b/drivers/staging/fbtft/fb_watterott.c index 88fb2c0132d5..8eae6ef25846 100644 --- a/drivers/staging/fbtft/fb_watterott.c +++ b/drivers/staging/fbtft/fb_watterott.c @@ -169,7 +169,7 @@ static int init_display(struct fbtft_par *par) /* enable SPI interface by having CS and MOSI low during reset */ save_mode = par->spi->mode; par->spi->mode |= SPI_CS_HIGH; - ret = par->spi->master->setup(par->spi); /* set CS inactive low */ + ret = spi_setup(par->spi); /* set CS inactive low */ if (ret) { dev_err(par->info->device, "Could not set SPI_CS_HIGH\n"); return ret; @@ -180,7 +180,7 @@ static int init_display(struct fbtft_par *par) par->fbtftops.reset(par); mdelay(1000); par->spi->mode = save_mode; - ret = par->spi->master->setup(par->spi); + ret = spi_setup(par->spi); if (ret) { dev_err(par->info->device, "Could not restore SPI mode\n"); return ret; diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index 23392eb6799e..7f5fa3d1cab0 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -1436,15 +1436,11 @@ int fbtft_probe_common(struct fbtft_display *display, /* 9-bit SPI setup */ if (par->spi && display->buswidth == 9) { - par->spi->bits_per_word = 9; - ret = par->spi->master->setup(par->spi); - if (ret) { + if (par->spi->master->bits_per_word_mask & SPI_BPW_MASK(9)) { + par->spi->bits_per_word = 9; + } else { dev_warn(&par->spi->dev, "9-bit SPI not available, emulating using 8-bit.\n"); - par->spi->bits_per_word = 8; - ret = par->spi->master->setup(par->spi); - if (ret) - goto out_release; /* allocate buffer with room for dc bits */ par->extra = devm_kzalloc(par->info->device, par->txbuf.len + (par->txbuf.len / 8) + 8, diff --git a/drivers/staging/fbtft/flexfb.c b/drivers/staging/fbtft/flexfb.c index c763efc5de7d..3f380a0086c3 100644 --- a/drivers/staging/fbtft/flexfb.c +++ b/drivers/staging/fbtft/flexfb.c @@ -463,15 +463,12 @@ static int flexfb_probe_common(struct spi_device *sdev, } par->fbtftops.write_register = fbtft_write_reg8_bus9; par->fbtftops.write_vmem = fbtft_write_vmem16_bus9; - sdev->bits_per_word = 9; - ret = sdev->master->setup(sdev); - if (ret) { + if (par->spi->master->bits_per_word_mask + & SPI_BPW_MASK(9)) { + par->spi->bits_per_word = 9; + } else { dev_warn(dev, "9-bit SPI not available, emulating using 8-bit.\n"); - sdev->bits_per_word = 8; - ret = sdev->master->setup(sdev); - if (ret) - goto out_release; /* allocate buffer with room for dc bits */ par->extra = devm_kzalloc(par->info->device, par->txbuf.len + (par->txbuf.len / 8) + 8, diff --git a/drivers/staging/lustre/README.txt b/drivers/staging/lustre/README.txt index cf0ca50ff83b..0676243eea9e 100644 --- a/drivers/staging/lustre/README.txt +++ b/drivers/staging/lustre/README.txt @@ -14,10 +14,8 @@ Unlike shared disk storage cluster filesystems (e.g. OCFS2, GFS, GPFS), Lustre has independent Metadata and Data servers that clients can access in parallel to maximize performance. -In order to use Lustre client you will need to download lustre client -tools from -https://downloads.hpdd.intel.com/public/lustre/latest-feature-release/ -the package name is lustre-client. +In order to use Lustre client you will need to download the "lustre-client" +package that contains the userspace tools from http://lustre.org/download/ You will need to install and configure your Lustre servers separately. @@ -76,12 +74,10 @@ Mount Options More Information ================ -You can get more information at -OpenSFS website: http://lustre.opensfs.org/about/ -Intel HPDD wiki: https://wiki.hpdd.intel.com +You can get more information at the Lustre website: http://wiki.lustre.org/ -Out of tree Lustre client and server code is available at: -http://git.whamcloud.com/fs/lustre-release.git +Source for the userspace tools and out-of-tree client and server code +is available at: http://git.hpdd.intel.com/fs/lustre-release.git Latest binary packages: -http://lustre.opensfs.org/download-lustre/ +http://lustre.org/download/ diff --git a/drivers/staging/most/Kconfig b/drivers/staging/most/Kconfig index d50de03de7b9..0b9b9b539f70 100644 --- a/drivers/staging/most/Kconfig +++ b/drivers/staging/most/Kconfig @@ -1,5 +1,6 @@ menuconfig MOST tristate "MOST driver" + depends on HAS_DMA select MOSTCORE default n ---help--- diff --git a/drivers/staging/most/hdm-dim2/Kconfig b/drivers/staging/most/hdm-dim2/Kconfig index 1d4ad1d67758..fc548769479b 100644 --- a/drivers/staging/most/hdm-dim2/Kconfig +++ b/drivers/staging/most/hdm-dim2/Kconfig @@ -5,6 +5,7 @@ config HDM_DIM2 tristate "DIM2 HDM" depends on AIM_NETWORK + depends on HAS_IOMEM ---help--- Say Y here if you want to connect via MediaLB to network transceiver. diff --git a/drivers/staging/most/hdm-usb/Kconfig b/drivers/staging/most/hdm-usb/Kconfig index a482c3fdf34b..ec1546312ee6 100644 --- a/drivers/staging/most/hdm-usb/Kconfig +++ b/drivers/staging/most/hdm-usb/Kconfig @@ -4,7 +4,7 @@ config HDM_USB tristate "USB HDM" - depends on USB + depends on USB && NET select AIM_NETWORK ---help--- Say Y here if you want to connect via USB to network tranceiver. diff --git a/drivers/staging/most/mostcore/Kconfig b/drivers/staging/most/mostcore/Kconfig index 38abf1b21b66..47172546d728 100644 --- a/drivers/staging/most/mostcore/Kconfig +++ b/drivers/staging/most/mostcore/Kconfig @@ -4,6 +4,7 @@ config MOSTCORE tristate "MOST Core" + depends on HAS_DMA ---help--- Say Y here if you want to enable MOST support. diff --git a/drivers/staging/unisys/visorbus/Makefile b/drivers/staging/unisys/visorbus/Makefile index fa27ee5f336c..fc790e7592fc 100644 --- a/drivers/staging/unisys/visorbus/Makefile +++ b/drivers/staging/unisys/visorbus/Makefile @@ -10,4 +10,3 @@ visorbus-y += visorchipset.o visorbus-y += periodic_work.o ccflags-y += -Idrivers/staging/unisys/include -ccflags-y += -Idrivers/staging/unisys/visorutil diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c b/drivers/staging/unisys/visorbus/visorbus_main.c index 2309f5f2b238..a272b48bab28 100644 --- a/drivers/staging/unisys/visorbus/visorbus_main.c +++ b/drivers/staging/unisys/visorbus/visorbus_main.c @@ -37,6 +37,8 @@ static int visorbus_debugref; #define POLLJIFFIES_TESTWORK 100 #define POLLJIFFIES_NORMALCHANNEL 10 +static int busreg_rc = -ENODEV; /* stores the result from bus registration */ + static int visorbus_uevent(struct device *xdev, struct kobj_uevent_env *env); static int visorbus_match(struct device *xdev, struct device_driver *xdrv); static void fix_vbus_dev_info(struct visor_device *visordev); @@ -863,6 +865,9 @@ int visorbus_register_visor_driver(struct visor_driver *drv) { int rc = 0; + if (busreg_rc < 0) + return -ENODEV; /*can't register on a nonexistent bus*/ + drv->driver.name = drv->name; drv->driver.bus = &visorbus_type; drv->driver.probe = visordriver_probe_device; @@ -885,6 +890,8 @@ int visorbus_register_visor_driver(struct visor_driver *drv) if (rc < 0) return rc; rc = register_driver_attributes(drv); + if (rc < 0) + driver_unregister(&drv->driver); return rc; } EXPORT_SYMBOL_GPL(visorbus_register_visor_driver); @@ -1260,10 +1267,8 @@ remove_bus_instance(struct visor_device *dev) static int create_bus_type(void) { - int rc = 0; - - rc = bus_register(&visorbus_type); - return rc; + busreg_rc = bus_register(&visorbus_type); + return busreg_rc; } /** Remove the one-and-only one instance of the visor bus type (visorbus_type). diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c index 8c9da7ea7845..9d3c1e282062 100644 --- a/drivers/staging/unisys/visornic/visornic_main.c +++ b/drivers/staging/unisys/visornic/visornic_main.c @@ -1189,16 +1189,16 @@ visornic_rx(struct uiscmdrsp *cmdrsp) spin_lock_irqsave(&devdata->priv_lock, flags); atomic_dec(&devdata->num_rcvbuf_in_iovm); - /* update rcv stats - call it with priv_lock held */ - devdata->net_stats.rx_packets++; - devdata->net_stats.rx_bytes = skb->len; - /* set length to how much was ACTUALLY received - * NOTE: rcv_done_len includes actual length of data rcvd * including ethhdr */ skb->len = cmdrsp->net.rcv.rcv_done_len; + /* update rcv stats - call it with priv_lock held */ + devdata->net_stats.rx_packets++; + devdata->net_stats.rx_bytes += skb->len; + /* test enabled while holding lock */ if (!(devdata->enabled && devdata->enab_dis_acked)) { /* don't process it unless we're in enable mode and until @@ -1924,13 +1924,16 @@ static int visornic_probe(struct visor_device *dev) "%s debugfs_create_dir %s failed\n", __func__, netdev->name); err = -ENOMEM; - goto cleanup_xmit_cmdrsp; + goto cleanup_register_netdev; } dev_info(&dev->device, "%s success netdev=%s\n", __func__, netdev->name); return 0; +cleanup_register_netdev: + unregister_netdev(netdev); + cleanup_napi_add: del_timer_sync(&devdata->irq_poll_timer); netif_napi_del(&devdata->napi); @@ -2128,8 +2131,9 @@ static int visornic_init(void) if (!dev_num_pool) goto cleanup_workqueue; - visorbus_register_visor_driver(&visornic_driver); - return 0; + err = visorbus_register_visor_driver(&visornic_driver); + if (!err) + return 0; cleanup_workqueue: if (visornic_timeout_reset_workqueue) { diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c index e8a52f7d6204..51d1734d5390 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.c +++ b/drivers/target/iscsi/iscsi_target_parameters.c @@ -407,6 +407,7 @@ int iscsi_create_default_params(struct iscsi_param_list **param_list_ptr) TYPERANGE_UTF8, USE_INITIAL_ONLY); if (!param) goto out; + /* * Extra parameters for ISER from RFC-5046 */ @@ -496,9 +497,9 @@ int iscsi_set_keys_to_negotiate( } else if (!strcmp(param->name, SESSIONTYPE)) { SET_PSTATE_NEGOTIATE(param); } else if (!strcmp(param->name, IFMARKER)) { - SET_PSTATE_NEGOTIATE(param); + SET_PSTATE_REJECT(param); } else if (!strcmp(param->name, OFMARKER)) { - SET_PSTATE_NEGOTIATE(param); + SET_PSTATE_REJECT(param); } else if (!strcmp(param->name, IFMARKINT)) { SET_PSTATE_REJECT(param); } else if (!strcmp(param->name, OFMARKINT)) { diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index dcc424ac35d4..88ea4e4f124b 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -62,22 +62,13 @@ transport_lookup_cmd_lun(struct se_cmd *se_cmd, u64 unpacked_lun) struct se_session *se_sess = se_cmd->se_sess; struct se_node_acl *nacl = se_sess->se_node_acl; struct se_dev_entry *deve; + sense_reason_t ret = TCM_NO_SENSE; rcu_read_lock(); deve = target_nacl_find_deve(nacl, unpacked_lun); if (deve) { atomic_long_inc(&deve->total_cmds); - if ((se_cmd->data_direction == DMA_TO_DEVICE) && - (deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY)) { - pr_err("TARGET_CORE[%s]: Detected WRITE_PROTECTED LUN" - " Access for 0x%08llx\n", - se_cmd->se_tfo->get_fabric_name(), - unpacked_lun); - rcu_read_unlock(); - return TCM_WRITE_PROTECTED; - } - if (se_cmd->data_direction == DMA_TO_DEVICE) atomic_long_add(se_cmd->data_length, &deve->write_bytes); @@ -93,6 +84,17 @@ transport_lookup_cmd_lun(struct se_cmd *se_cmd, u64 unpacked_lun) percpu_ref_get(&se_lun->lun_ref); se_cmd->lun_ref_active = true; + + if ((se_cmd->data_direction == DMA_TO_DEVICE) && + (deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY)) { + pr_err("TARGET_CORE[%s]: Detected WRITE_PROTECTED LUN" + " Access for 0x%08llx\n", + se_cmd->se_tfo->get_fabric_name(), + unpacked_lun); + rcu_read_unlock(); + ret = TCM_WRITE_PROTECTED; + goto ref_dev; + } } rcu_read_unlock(); @@ -109,12 +111,6 @@ transport_lookup_cmd_lun(struct se_cmd *se_cmd, u64 unpacked_lun) unpacked_lun); return TCM_NON_EXISTENT_LUN; } - /* - * Force WRITE PROTECT for virtual LUN 0 - */ - if ((se_cmd->data_direction != DMA_FROM_DEVICE) && - (se_cmd->data_direction != DMA_NONE)) - return TCM_WRITE_PROTECTED; se_lun = se_sess->se_tpg->tpg_virt_lun0; se_cmd->se_lun = se_sess->se_tpg->tpg_virt_lun0; @@ -123,6 +119,15 @@ transport_lookup_cmd_lun(struct se_cmd *se_cmd, u64 unpacked_lun) percpu_ref_get(&se_lun->lun_ref); se_cmd->lun_ref_active = true; + + /* + * Force WRITE PROTECT for virtual LUN 0 + */ + if ((se_cmd->data_direction != DMA_FROM_DEVICE) && + (se_cmd->data_direction != DMA_NONE)) { + ret = TCM_WRITE_PROTECTED; + goto ref_dev; + } } /* * RCU reference protected by percpu se_lun->lun_ref taken above that @@ -130,6 +135,7 @@ transport_lookup_cmd_lun(struct se_cmd *se_cmd, u64 unpacked_lun) * pointer can be kfree_rcu() by the final se_lun->lun_group put via * target_core_fabric_configfs.c:target_fabric_port_release */ +ref_dev: se_cmd->se_dev = rcu_dereference_raw(se_lun->lun_se_dev); atomic_long_inc(&se_cmd->se_dev->num_cmds); @@ -140,7 +146,7 @@ transport_lookup_cmd_lun(struct se_cmd *se_cmd, u64 unpacked_lun) atomic_long_add(se_cmd->data_length, &se_cmd->se_dev->read_bytes); - return 0; + return ret; } EXPORT_SYMBOL(transport_lookup_cmd_lun); @@ -427,8 +433,6 @@ void core_disable_device_list_for_node( hlist_del_rcu(&orig->link); clear_bit(DEF_PR_REG_ACTIVE, &orig->deve_flags); - rcu_assign_pointer(orig->se_lun, NULL); - rcu_assign_pointer(orig->se_lun_acl, NULL); orig->lun_flags = 0; orig->creation_time = 0; orig->attach_count--; @@ -439,6 +443,9 @@ void core_disable_device_list_for_node( kref_put(&orig->pr_kref, target_pr_kref_release); wait_for_completion(&orig->pr_comp); + rcu_assign_pointer(orig->se_lun, NULL); + rcu_assign_pointer(orig->se_lun_acl, NULL); + kfree_rcu(orig, rcu_head); core_scsi3_free_pr_reg_from_nacl(dev, nacl); diff --git a/drivers/target/target_core_hba.c b/drivers/target/target_core_hba.c index 9522960c7fdd..22390e0e046c 100644 --- a/drivers/target/target_core_hba.c +++ b/drivers/target/target_core_hba.c @@ -187,5 +187,5 @@ core_delete_hba(struct se_hba *hba) bool target_sense_desc_format(struct se_device *dev) { - return dev->transport->get_blocks(dev) > U32_MAX; + return (dev) ? dev->transport->get_blocks(dev) > U32_MAX : false; } diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 5a9982f5d5d6..0f19e11acac2 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -105,6 +105,8 @@ static int iblock_configure_device(struct se_device *dev) mode = FMODE_READ|FMODE_EXCL; if (!ib_dev->ibd_readonly) mode |= FMODE_WRITE; + else + dev->dev_flags |= DF_READ_ONLY; bd = blkdev_get_by_path(ib_dev->ibd_udev_path, mode, ib_dev); if (IS_ERR(bd)) { diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 5ab7100de17e..e7933115087a 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -618,7 +618,7 @@ static struct t10_pr_registration *__core_scsi3_do_alloc_registration( struct se_device *dev, struct se_node_acl *nacl, struct se_lun *lun, - struct se_dev_entry *deve, + struct se_dev_entry *dest_deve, u64 mapped_lun, unsigned char *isid, u64 sa_res_key, @@ -640,7 +640,29 @@ static struct t10_pr_registration *__core_scsi3_do_alloc_registration( INIT_LIST_HEAD(&pr_reg->pr_reg_atp_mem_list); atomic_set(&pr_reg->pr_res_holders, 0); pr_reg->pr_reg_nacl = nacl; - pr_reg->pr_reg_deve = deve; + /* + * For destination registrations for ALL_TG_PT=1 and SPEC_I_PT=1, + * the se_dev_entry->pr_ref will have been already obtained by + * core_get_se_deve_from_rtpi() or __core_scsi3_alloc_registration(). + * + * Otherwise, locate se_dev_entry now and obtain a reference until + * registration completes in __core_scsi3_add_registration(). + */ + if (dest_deve) { + pr_reg->pr_reg_deve = dest_deve; + } else { + rcu_read_lock(); + pr_reg->pr_reg_deve = target_nacl_find_deve(nacl, mapped_lun); + if (!pr_reg->pr_reg_deve) { + rcu_read_unlock(); + pr_err("Unable to locate PR deve %s mapped_lun: %llu\n", + nacl->initiatorname, mapped_lun); + kmem_cache_free(t10_pr_reg_cache, pr_reg); + return NULL; + } + kref_get(&pr_reg->pr_reg_deve->pr_kref); + rcu_read_unlock(); + } pr_reg->pr_res_mapped_lun = mapped_lun; pr_reg->pr_aptpl_target_lun = lun->unpacked_lun; pr_reg->tg_pt_sep_rtpi = lun->lun_rtpi; @@ -936,17 +958,29 @@ static int __core_scsi3_check_aptpl_registration( !(strcmp(pr_reg->pr_tport, t_port)) && (pr_reg->pr_reg_tpgt == tpgt) && (pr_reg->pr_aptpl_target_lun == target_lun)) { + /* + * Obtain the ->pr_reg_deve pointer + reference, that + * is released by __core_scsi3_add_registration() below. + */ + rcu_read_lock(); + pr_reg->pr_reg_deve = target_nacl_find_deve(nacl, mapped_lun); + if (!pr_reg->pr_reg_deve) { + pr_err("Unable to locate PR APTPL %s mapped_lun:" + " %llu\n", nacl->initiatorname, mapped_lun); + rcu_read_unlock(); + continue; + } + kref_get(&pr_reg->pr_reg_deve->pr_kref); + rcu_read_unlock(); pr_reg->pr_reg_nacl = nacl; pr_reg->tg_pt_sep_rtpi = lun->lun_rtpi; - list_del(&pr_reg->pr_reg_aptpl_list); spin_unlock(&pr_tmpl->aptpl_reg_lock); /* * At this point all of the pointers in *pr_reg will * be setup, so go ahead and add the registration. */ - __core_scsi3_add_registration(dev, nacl, pr_reg, 0, 0); /* * If this registration is the reservation holder, @@ -1044,18 +1078,11 @@ static void __core_scsi3_add_registration( __core_scsi3_dump_registration(tfo, dev, nacl, pr_reg, register_type); spin_unlock(&pr_tmpl->registration_lock); - - rcu_read_lock(); - deve = pr_reg->pr_reg_deve; - if (deve) - set_bit(DEF_PR_REG_ACTIVE, &deve->deve_flags); - rcu_read_unlock(); - /* * Skip extra processing for ALL_TG_PT=0 or REGISTER_AND_MOVE. */ if (!pr_reg->pr_reg_all_tg_pt || register_move) - return; + goto out; /* * Walk pr_reg->pr_reg_atp_list and add registrations for ALL_TG_PT=1 * allocated in __core_scsi3_alloc_registration() @@ -1075,19 +1102,31 @@ static void __core_scsi3_add_registration( __core_scsi3_dump_registration(tfo, dev, nacl_tmp, pr_reg_tmp, register_type); spin_unlock(&pr_tmpl->registration_lock); - + /* + * Drop configfs group dependency reference and deve->pr_kref + * obtained from __core_scsi3_alloc_registration() code. + */ rcu_read_lock(); deve = pr_reg_tmp->pr_reg_deve; - if (deve) + if (deve) { set_bit(DEF_PR_REG_ACTIVE, &deve->deve_flags); + core_scsi3_lunacl_undepend_item(deve); + pr_reg_tmp->pr_reg_deve = NULL; + } rcu_read_unlock(); - - /* - * Drop configfs group dependency reference from - * __core_scsi3_alloc_registration() - */ - core_scsi3_lunacl_undepend_item(pr_reg_tmp->pr_reg_deve); } +out: + /* + * Drop deve->pr_kref obtained in __core_scsi3_do_alloc_registration() + */ + rcu_read_lock(); + deve = pr_reg->pr_reg_deve; + if (deve) { + set_bit(DEF_PR_REG_ACTIVE, &deve->deve_flags); + kref_put(&deve->pr_kref, target_pr_kref_release); + pr_reg->pr_reg_deve = NULL; + } + rcu_read_unlock(); } static int core_scsi3_alloc_registration( @@ -1785,9 +1824,11 @@ core_scsi3_decode_spec_i_port( dest_node_acl->initiatorname, i_buf, (dest_se_deve) ? dest_se_deve->mapped_lun : 0); - if (!dest_se_deve) + if (!dest_se_deve) { + kref_put(&local_pr_reg->pr_reg_deve->pr_kref, + target_pr_kref_release); continue; - + } core_scsi3_lunacl_undepend_item(dest_se_deve); core_scsi3_nodeacl_undepend_item(dest_node_acl); core_scsi3_tpg_undepend_item(dest_tpg); @@ -1823,9 +1864,11 @@ out: kmem_cache_free(t10_pr_reg_cache, dest_pr_reg); - if (!dest_se_deve) + if (!dest_se_deve) { + kref_put(&local_pr_reg->pr_reg_deve->pr_kref, + target_pr_kref_release); continue; - + } core_scsi3_lunacl_undepend_item(dest_se_deve); core_scsi3_nodeacl_undepend_item(dest_node_acl); core_scsi3_tpg_undepend_item(dest_tpg); diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index 2d0381dd105c..5fb9dd7f08bb 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -668,7 +668,10 @@ int core_tpg_add_lun( list_add_tail(&lun->lun_dev_link, &dev->dev_sep_list); spin_unlock(&dev->se_port_lock); - lun->lun_access = lun_access; + if (dev->dev_flags & DF_READ_ONLY) + lun->lun_access = TRANSPORT_LUNFLAGS_READ_ONLY; + else + lun->lun_access = lun_access; if (!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)) hlist_add_head_rcu(&lun->link, &tpg->tpg_lun_hlist); mutex_unlock(&tpg->tpg_lun_mutex); diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 039004400987..5aabc4bc0d75 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -163,7 +163,7 @@ config THERMAL_EMULATION config HISI_THERMAL tristate "Hisilicon thermal driver" - depends on ARCH_HISI && CPU_THERMAL && OF + depends on (ARCH_HISI && CPU_THERMAL && OF) || COMPILE_TEST help Enable this to plug hisilicon's thermal sensor driver into the Linux thermal framework. cpufreq is used as the cooling device to throttle @@ -182,7 +182,7 @@ config IMX_THERMAL config SPEAR_THERMAL bool "SPEAr thermal sensor driver" - depends on PLAT_SPEAR + depends on PLAT_SPEAR || COMPILE_TEST depends on OF help Enable this to plug the SPEAr thermal sensor driver into the Linux @@ -190,7 +190,7 @@ config SPEAR_THERMAL config ROCKCHIP_THERMAL tristate "Rockchip thermal driver" - depends on ARCH_ROCKCHIP + depends on ARCH_ROCKCHIP || COMPILE_TEST depends on RESET_CONTROLLER help Rockchip thermal driver provides support for Temperature sensor @@ -208,7 +208,7 @@ config RCAR_THERMAL config KIRKWOOD_THERMAL tristate "Temperature sensor on Marvell Kirkwood SoCs" - depends on MACH_KIRKWOOD + depends on MACH_KIRKWOOD || COMPILE_TEST depends on OF help Support for the Kirkwood thermal sensor driver into the Linux thermal @@ -216,7 +216,7 @@ config KIRKWOOD_THERMAL config DOVE_THERMAL tristate "Temperature sensor on Marvell Dove SoCs" - depends on ARCH_DOVE || MACH_DOVE + depends on ARCH_DOVE || MACH_DOVE || COMPILE_TEST depends on OF help Support for the Dove thermal sensor driver in the Linux thermal @@ -234,7 +234,7 @@ config DB8500_THERMAL config ARMADA_THERMAL tristate "Armada 370/XP thermal management" - depends on ARCH_MVEBU + depends on ARCH_MVEBU || COMPILE_TEST depends on OF help Enable this option if you want to have support for thermal management @@ -349,11 +349,12 @@ config INTEL_PCH_THERMAL programmable trip points and other information. menu "Texas Instruments thermal drivers" +depends on ARCH_HAS_BANDGAP || COMPILE_TEST source "drivers/thermal/ti-soc-thermal/Kconfig" endmenu menu "Samsung thermal drivers" -depends on ARCH_EXYNOS +depends on ARCH_EXYNOS || COMPILE_TEST source "drivers/thermal/samsung/Kconfig" endmenu @@ -364,7 +365,7 @@ endmenu config QCOM_SPMI_TEMP_ALARM tristate "Qualcomm SPMI PMIC Temperature Alarm" - depends on OF && SPMI && IIO + depends on OF && (SPMI || COMPILE_TEST) && IIO select REGMAP_SPMI help This enables a thermal sysfs driver for Qualcomm plug-and-play (QPNP) diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 620dcd405ff6..42c6f71bdcc1 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -262,7 +262,9 @@ static int cpufreq_thermal_notifier(struct notifier_block *nb, * efficiently. Power is stored in mW, frequency in KHz. The * resulting table is in ascending order. * - * Return: 0 on success, -E* on error. + * Return: 0 on success, -EINVAL if there are no OPPs for any CPUs, + * -ENOMEM if we run out of memory or -EAGAIN if an OPP was + * added/enabled while the function was executing. */ static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device, u32 capacitance) @@ -273,8 +275,6 @@ static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device, int num_opps = 0, cpu, i, ret = 0; unsigned long freq; - rcu_read_lock(); - for_each_cpu(cpu, &cpufreq_device->allowed_cpus) { dev = get_cpu_device(cpu); if (!dev) { @@ -284,24 +284,20 @@ static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device, } num_opps = dev_pm_opp_get_opp_count(dev); - if (num_opps > 0) { + if (num_opps > 0) break; - } else if (num_opps < 0) { - ret = num_opps; - goto unlock; - } + else if (num_opps < 0) + return num_opps; } - if (num_opps == 0) { - ret = -EINVAL; - goto unlock; - } + if (num_opps == 0) + return -EINVAL; power_table = kcalloc(num_opps, sizeof(*power_table), GFP_KERNEL); - if (!power_table) { - ret = -ENOMEM; - goto unlock; - } + if (!power_table) + return -ENOMEM; + + rcu_read_lock(); for (freq = 0, i = 0; opp = dev_pm_opp_find_freq_ceil(dev, &freq), !IS_ERR(opp); @@ -309,6 +305,12 @@ static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device, u32 freq_mhz, voltage_mv; u64 power; + if (i >= num_opps) { + rcu_read_unlock(); + ret = -EAGAIN; + goto free_power_table; + } + freq_mhz = freq / 1000000; voltage_mv = dev_pm_opp_get_voltage(opp) / 1000; @@ -326,17 +328,22 @@ static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device, power_table[i].power = power; } - if (i == 0) { + rcu_read_unlock(); + + if (i != num_opps) { ret = PTR_ERR(opp); - goto unlock; + goto free_power_table; } cpufreq_device->cpu_dev = dev; cpufreq_device->dyn_power_table = power_table; cpufreq_device->dyn_power_table_entries = i; -unlock: - rcu_read_unlock(); + return 0; + +free_power_table: + kfree(power_table); + return ret; } @@ -847,7 +854,7 @@ __cpufreq_cooling_register(struct device_node *np, ret = get_idr(&cpufreq_idr, &cpufreq_dev->id); if (ret) { cool_dev = ERR_PTR(ret); - goto free_table; + goto free_power_table; } snprintf(dev_name, sizeof(dev_name), "thermal-cpufreq-%d", @@ -889,6 +896,8 @@ __cpufreq_cooling_register(struct device_node *np, remove_idr: release_idr(&cpufreq_idr, cpufreq_dev->id); +free_power_table: + kfree(cpufreq_dev->dyn_power_table); free_table: kfree(cpufreq_dev->freq_table); free_time_in_idle_timestamp: @@ -1039,6 +1048,7 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev) thermal_cooling_device_unregister(cpufreq_dev->cool_dev); release_idr(&cpufreq_idr, cpufreq_dev->id); + kfree(cpufreq_dev->dyn_power_table); kfree(cpufreq_dev->time_in_idle_timestamp); kfree(cpufreq_dev->time_in_idle); kfree(cpufreq_dev->freq_table); diff --git a/drivers/thermal/db8500_cpufreq_cooling.c b/drivers/thermal/db8500_cpufreq_cooling.c index 607b62c7e611..e58bd0b658b5 100644 --- a/drivers/thermal/db8500_cpufreq_cooling.c +++ b/drivers/thermal/db8500_cpufreq_cooling.c @@ -72,6 +72,7 @@ static const struct of_device_id db8500_cpufreq_cooling_match[] = { { .compatible = "stericsson,db8500-cpufreq-cooling" }, {}, }; +MODULE_DEVICE_TABLE(of, db8500_cpufreq_cooling_match); #endif static struct platform_driver db8500_cpufreq_cooling_driver = { diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c index 9c8a7aad0252..7ff96270c933 100644 --- a/drivers/thermal/power_allocator.c +++ b/drivers/thermal/power_allocator.c @@ -24,6 +24,8 @@ #include "thermal_core.h" +#define INVALID_TRIP -1 + #define FRAC_BITS 10 #define int_to_frac(x) ((x) << FRAC_BITS) #define frac_to_int(x) ((x) >> FRAC_BITS) @@ -56,16 +58,21 @@ static inline s64 div_frac(s64 x, s64 y) /** * struct power_allocator_params - parameters for the power allocator governor + * @allocated_tzp: whether we have allocated tzp for this thermal zone and + * it needs to be freed on unbind * @err_integral: accumulated error in the PID controller. * @prev_err: error in the previous iteration of the PID controller. * Used to calculate the derivative term. * @trip_switch_on: first passive trip point of the thermal zone. The * governor switches on when this trip point is crossed. + * If the thermal zone only has one passive trip point, + * @trip_switch_on should be INVALID_TRIP. * @trip_max_desired_temperature: last passive trip point of the thermal * zone. The temperature we are * controlling for. */ struct power_allocator_params { + bool allocated_tzp; s64 err_integral; s32 prev_err; int trip_switch_on; @@ -73,6 +80,88 @@ struct power_allocator_params { }; /** + * estimate_sustainable_power() - Estimate the sustainable power of a thermal zone + * @tz: thermal zone we are operating in + * + * For thermal zones that don't provide a sustainable_power in their + * thermal_zone_params, estimate one. Calculate it using the minimum + * power of all the cooling devices as that gives a valid value that + * can give some degree of functionality. For optimal performance of + * this governor, provide a sustainable_power in the thermal zone's + * thermal_zone_params. + */ +static u32 estimate_sustainable_power(struct thermal_zone_device *tz) +{ + u32 sustainable_power = 0; + struct thermal_instance *instance; + struct power_allocator_params *params = tz->governor_data; + + list_for_each_entry(instance, &tz->thermal_instances, tz_node) { + struct thermal_cooling_device *cdev = instance->cdev; + u32 min_power; + + if (instance->trip != params->trip_max_desired_temperature) + continue; + + if (power_actor_get_min_power(cdev, tz, &min_power)) + continue; + + sustainable_power += min_power; + } + + return sustainable_power; +} + +/** + * estimate_pid_constants() - Estimate the constants for the PID controller + * @tz: thermal zone for which to estimate the constants + * @sustainable_power: sustainable power for the thermal zone + * @trip_switch_on: trip point number for the switch on temperature + * @control_temp: target temperature for the power allocator governor + * @force: whether to force the update of the constants + * + * This function is used to update the estimation of the PID + * controller constants in struct thermal_zone_parameters. + * Sustainable power is provided in case it was estimated. The + * estimated sustainable_power should not be stored in the + * thermal_zone_parameters so it has to be passed explicitly to this + * function. + * + * If @force is not set, the values in the thermal zone's parameters + * are preserved if they are not zero. If @force is set, the values + * in thermal zone's parameters are overwritten. + */ +static void estimate_pid_constants(struct thermal_zone_device *tz, + u32 sustainable_power, int trip_switch_on, + int control_temp, bool force) +{ + int ret; + int switch_on_temp; + u32 temperature_threshold; + + ret = tz->ops->get_trip_temp(tz, trip_switch_on, &switch_on_temp); + if (ret) + switch_on_temp = 0; + + temperature_threshold = control_temp - switch_on_temp; + + if (!tz->tzp->k_po || force) + tz->tzp->k_po = int_to_frac(sustainable_power) / + temperature_threshold; + + if (!tz->tzp->k_pu || force) + tz->tzp->k_pu = int_to_frac(2 * sustainable_power) / + temperature_threshold; + + if (!tz->tzp->k_i || force) + tz->tzp->k_i = int_to_frac(10) / 1000; + /* + * The default for k_d and integral_cutoff is 0, so we can + * leave them as they are. + */ +} + +/** * pid_controller() - PID controller * @tz: thermal zone we are operating in * @current_temp: the current temperature in millicelsius @@ -98,10 +187,20 @@ static u32 pid_controller(struct thermal_zone_device *tz, { s64 p, i, d, power_range; s32 err, max_power_frac; + u32 sustainable_power; struct power_allocator_params *params = tz->governor_data; max_power_frac = int_to_frac(max_allocatable_power); + if (tz->tzp->sustainable_power) { + sustainable_power = tz->tzp->sustainable_power; + } else { + sustainable_power = estimate_sustainable_power(tz); + estimate_pid_constants(tz, sustainable_power, + params->trip_switch_on, control_temp, + true); + } + err = control_temp - current_temp; err = int_to_frac(err); @@ -139,7 +238,7 @@ static u32 pid_controller(struct thermal_zone_device *tz, power_range = p + i + d; /* feed-forward the known sustainable dissipatable power */ - power_range = tz->tzp->sustainable_power + frac_to_int(power_range); + power_range = sustainable_power + frac_to_int(power_range); power_range = clamp(power_range, (s64)0, (s64)max_allocatable_power); @@ -247,6 +346,11 @@ static int allocate_power(struct thermal_zone_device *tz, } } + if (!num_actors) { + ret = -ENODEV; + goto unlock; + } + /* * We need to allocate five arrays of the same size: * req_power, max_power, granted_power, extra_actor_power and @@ -340,43 +444,66 @@ unlock: return ret; } -static int get_governor_trips(struct thermal_zone_device *tz, - struct power_allocator_params *params) +/** + * get_governor_trips() - get the number of the two trip points that are key for this governor + * @tz: thermal zone to operate on + * @params: pointer to private data for this governor + * + * The power allocator governor works optimally with two trips points: + * a "switch on" trip point and a "maximum desired temperature". These + * are defined as the first and last passive trip points. + * + * If there is only one trip point, then that's considered to be the + * "maximum desired temperature" trip point and the governor is always + * on. If there are no passive or active trip points, then the + * governor won't do anything. In fact, its throttle function + * won't be called at all. + */ +static void get_governor_trips(struct thermal_zone_device *tz, + struct power_allocator_params *params) { - int i, ret, last_passive; + int i, last_active, last_passive; bool found_first_passive; found_first_passive = false; - last_passive = -1; - ret = -EINVAL; + last_active = INVALID_TRIP; + last_passive = INVALID_TRIP; for (i = 0; i < tz->trips; i++) { enum thermal_trip_type type; + int ret; ret = tz->ops->get_trip_type(tz, i, &type); - if (ret) - return ret; + if (ret) { + dev_warn(&tz->device, + "Failed to get trip point %d type: %d\n", i, + ret); + continue; + } - if (!found_first_passive) { - if (type == THERMAL_TRIP_PASSIVE) { + if (type == THERMAL_TRIP_PASSIVE) { + if (!found_first_passive) { params->trip_switch_on = i; found_first_passive = true; + } else { + last_passive = i; } - } else if (type == THERMAL_TRIP_PASSIVE) { - last_passive = i; + } else if (type == THERMAL_TRIP_ACTIVE) { + last_active = i; } else { break; } } - if (last_passive != -1) { + if (last_passive != INVALID_TRIP) { params->trip_max_desired_temperature = last_passive; - ret = 0; + } else if (found_first_passive) { + params->trip_max_desired_temperature = params->trip_switch_on; + params->trip_switch_on = INVALID_TRIP; } else { - ret = -EINVAL; + params->trip_switch_on = INVALID_TRIP; + params->trip_max_desired_temperature = last_active; } - - return ret; } static void reset_pid_controller(struct power_allocator_params *params) @@ -405,60 +532,45 @@ static void allow_maximum_power(struct thermal_zone_device *tz) * power_allocator_bind() - bind the power_allocator governor to a thermal zone * @tz: thermal zone to bind it to * - * Check that the thermal zone is valid for this governor, that is, it - * has two thermal trips. If so, initialize the PID controller - * parameters and bind it to the thermal zone. + * Initialize the PID controller parameters and bind it to the thermal + * zone. * - * Return: 0 on success, -EINVAL if the trips were invalid or -ENOMEM - * if we ran out of memory. + * Return: 0 on success, or -ENOMEM if we ran out of memory. */ static int power_allocator_bind(struct thermal_zone_device *tz) { int ret; struct power_allocator_params *params; - int switch_on_temp, control_temp; - u32 temperature_threshold; - - if (!tz->tzp || !tz->tzp->sustainable_power) { - dev_err(&tz->device, - "power_allocator: missing sustainable_power\n"); - return -EINVAL; - } + int control_temp; params = kzalloc(sizeof(*params), GFP_KERNEL); if (!params) return -ENOMEM; - ret = get_governor_trips(tz, params); - if (ret) { - dev_err(&tz->device, - "thermal zone %s has wrong trip setup for power allocator\n", - tz->type); - goto free; - } + if (!tz->tzp) { + tz->tzp = kzalloc(sizeof(*tz->tzp), GFP_KERNEL); + if (!tz->tzp) { + ret = -ENOMEM; + goto free_params; + } - ret = tz->ops->get_trip_temp(tz, params->trip_switch_on, - &switch_on_temp); - if (ret) - goto free; + params->allocated_tzp = true; + } - ret = tz->ops->get_trip_temp(tz, params->trip_max_desired_temperature, - &control_temp); - if (ret) - goto free; + if (!tz->tzp->sustainable_power) + dev_warn(&tz->device, "power_allocator: sustainable_power will be estimated\n"); - temperature_threshold = control_temp - switch_on_temp; + get_governor_trips(tz, params); - tz->tzp->k_po = tz->tzp->k_po ?: - int_to_frac(tz->tzp->sustainable_power) / temperature_threshold; - tz->tzp->k_pu = tz->tzp->k_pu ?: - int_to_frac(2 * tz->tzp->sustainable_power) / - temperature_threshold; - tz->tzp->k_i = tz->tzp->k_i ?: int_to_frac(10) / 1000; - /* - * The default for k_d and integral_cutoff is 0, so we can - * leave them as they are. - */ + if (tz->trips > 0) { + ret = tz->ops->get_trip_temp(tz, + params->trip_max_desired_temperature, + &control_temp); + if (!ret) + estimate_pid_constants(tz, tz->tzp->sustainable_power, + params->trip_switch_on, + control_temp, false); + } reset_pid_controller(params); @@ -466,14 +578,23 @@ static int power_allocator_bind(struct thermal_zone_device *tz) return 0; -free: +free_params: kfree(params); + return ret; } static void power_allocator_unbind(struct thermal_zone_device *tz) { + struct power_allocator_params *params = tz->governor_data; + dev_dbg(&tz->device, "Unbinding from thermal zone %d\n", tz->id); + + if (params->allocated_tzp) { + kfree(tz->tzp); + tz->tzp = NULL; + } + kfree(tz->governor_data); tz->governor_data = NULL; } @@ -499,13 +620,7 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip) ret = tz->ops->get_trip_temp(tz, params->trip_switch_on, &switch_on_temp); - if (ret) { - dev_warn(&tz->device, - "Failed to get switch on temperature: %d\n", ret); - return ret; - } - - if (current_temp < switch_on_temp) { + if (!ret && (current_temp < switch_on_temp)) { tz->passive = 0; reset_pid_controller(params); allow_maximum_power(tz); diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 5e5fc7015c7f..d9e525cc9c1c 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1013,6 +1013,34 @@ int power_actor_get_max_power(struct thermal_cooling_device *cdev, } /** + * power_actor_get_min_power() - get the mainimum power that a cdev can consume + * @cdev: pointer to &thermal_cooling_device + * @tz: a valid thermal zone device pointer + * @min_power: pointer in which to store the minimum power + * + * Calculate the minimum power consumption in milliwatts that the + * cooling device can currently consume and store it in @min_power. + * + * Return: 0 on success, -EINVAL if @cdev doesn't support the + * power_actor API or -E* on other error. + */ +int power_actor_get_min_power(struct thermal_cooling_device *cdev, + struct thermal_zone_device *tz, u32 *min_power) +{ + unsigned long max_state; + int ret; + + if (!cdev_is_power_actor(cdev)) + return -EINVAL; + + ret = cdev->ops->get_max_state(cdev, &max_state); + if (ret) + return ret; + + return cdev->ops->state2power(cdev, tz, max_state, min_power); +} + +/** * power_actor_set_power() - limit the maximum power that a cooling device can consume * @cdev: pointer to &thermal_cooling_device * @instance: thermal instance to update diff --git a/drivers/thermal/ti-soc-thermal/Kconfig b/drivers/thermal/ti-soc-thermal/Kconfig index bd4c7beba679..cb6686ff09ae 100644 --- a/drivers/thermal/ti-soc-thermal/Kconfig +++ b/drivers/thermal/ti-soc-thermal/Kconfig @@ -1,7 +1,5 @@ config TI_SOC_THERMAL tristate "Texas Instruments SoCs temperature sensor driver" - depends on THERMAL - depends on ARCH_HAS_BANDGAP help If you say yes here you get support for the Texas Instruments OMAP4460+ on die bandgap temperature sensor support. The register @@ -24,7 +22,7 @@ config TI_THERMAL config OMAP4_THERMAL bool "Texas Instruments OMAP4 thermal support" depends on TI_SOC_THERMAL - depends on ARCH_OMAP4 + depends on ARCH_OMAP4 || COMPILE_TEST help If you say yes here you get thermal support for the Texas Instruments OMAP4 SoC family. The current chip supported are: @@ -38,7 +36,7 @@ config OMAP4_THERMAL config OMAP5_THERMAL bool "Texas Instruments OMAP5 thermal support" depends on TI_SOC_THERMAL - depends on SOC_OMAP5 + depends on SOC_OMAP5 || COMPILE_TEST help If you say yes here you get thermal support for the Texas Instruments OMAP5 SoC family. The current chip supported are: @@ -50,7 +48,7 @@ config OMAP5_THERMAL config DRA752_THERMAL bool "Texas Instruments DRA752 thermal support" depends on TI_SOC_THERMAL - depends on SOC_DRA7XX + depends on SOC_DRA7XX || COMPILE_TEST help If you say yes here you get thermal support for the Texas Instruments DRA752 SoC family. The current chip supported are: diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c index c68fe1222c16..20a41f7de76f 100644 --- a/drivers/thunderbolt/nhi.c +++ b/drivers/thunderbolt/nhi.c @@ -643,7 +643,7 @@ static struct pci_device_id nhi_ids[] = { { .class = PCI_CLASS_SYSTEM_OTHER << 8, .class_mask = ~0, .vendor = PCI_VENDOR_ID_INTEL, .device = 0x156c, - .subvendor = 0x2222, .subdevice = 0x1111, + .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, }, { 0,} }; diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 54e6c8ddef5d..b1e0ba3e525b 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -2910,3 +2910,5 @@ int serial8250_console_setup(struct uart_port *port, char *options, bool probe) } #endif /* CONFIG_SERIAL_8250_CONSOLE */ + +MODULE_LICENSE("GPL"); diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 867e9f3f3859..dcc50c878159 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -61,7 +61,7 @@ static const struct of_device_id ci_hdrc_imx_dt_ids[] = { { .compatible = "fsl,imx27-usb", .data = &imx27_usb_data}, { .compatible = "fsl,imx6q-usb", .data = &imx6q_usb_data}, { .compatible = "fsl,imx6sl-usb", .data = &imx6sl_usb_data}, - { .compatible = "fsl,imx6sx-usb", .data = &imx6sl_usb_data}, + { .compatible = "fsl,imx6sx-usb", .data = &imx6sx_usb_data}, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, ci_hdrc_imx_dt_ids); diff --git a/drivers/usb/chipidea/ci_hdrc_usb2.c b/drivers/usb/chipidea/ci_hdrc_usb2.c index 9eae1a16cef9..4456d2cf80ff 100644 --- a/drivers/usb/chipidea/ci_hdrc_usb2.c +++ b/drivers/usb/chipidea/ci_hdrc_usb2.c @@ -12,6 +12,7 @@ #include <linux/dma-mapping.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_platform.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> #include <linux/usb/chipidea.h> @@ -30,18 +31,36 @@ static const struct ci_hdrc_platform_data ci_default_pdata = { .flags = CI_HDRC_DISABLE_STREAMING, }; +static struct ci_hdrc_platform_data ci_zynq_pdata = { + .capoffset = DEF_CAPOFFSET, +}; + +static const struct of_device_id ci_hdrc_usb2_of_match[] = { + { .compatible = "chipidea,usb2"}, + { .compatible = "xlnx,zynq-usb-2.20a", .data = &ci_zynq_pdata}, + { } +}; +MODULE_DEVICE_TABLE(of, ci_hdrc_usb2_of_match); + static int ci_hdrc_usb2_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct ci_hdrc_usb2_priv *priv; struct ci_hdrc_platform_data *ci_pdata = dev_get_platdata(dev); int ret; + const struct of_device_id *match; if (!ci_pdata) { ci_pdata = devm_kmalloc(dev, sizeof(*ci_pdata), GFP_KERNEL); *ci_pdata = ci_default_pdata; /* struct copy */ } + match = of_match_device(ci_hdrc_usb2_of_match, &pdev->dev); + if (match && match->data) { + /* struct copy */ + *ci_pdata = *(struct ci_hdrc_platform_data *)match->data; + } + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -96,12 +115,6 @@ static int ci_hdrc_usb2_remove(struct platform_device *pdev) return 0; } -static const struct of_device_id ci_hdrc_usb2_of_match[] = { - { .compatible = "chipidea,usb2" }, - { } -}; -MODULE_DEVICE_TABLE(of, ci_hdrc_usb2_of_match); - static struct platform_driver ci_hdrc_usb2_driver = { .probe = ci_hdrc_usb2_probe, .remove = ci_hdrc_usb2_remove, diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index a637da25dda0..8223fe73ea85 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -656,6 +656,44 @@ __acquires(hwep->lock) return 0; } +static int _ep_set_halt(struct usb_ep *ep, int value, bool check_transfer) +{ + struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep); + int direction, retval = 0; + unsigned long flags; + + if (ep == NULL || hwep->ep.desc == NULL) + return -EINVAL; + + if (usb_endpoint_xfer_isoc(hwep->ep.desc)) + return -EOPNOTSUPP; + + spin_lock_irqsave(hwep->lock, flags); + + if (value && hwep->dir == TX && check_transfer && + !list_empty(&hwep->qh.queue) && + !usb_endpoint_xfer_control(hwep->ep.desc)) { + spin_unlock_irqrestore(hwep->lock, flags); + return -EAGAIN; + } + + direction = hwep->dir; + do { + retval |= hw_ep_set_halt(hwep->ci, hwep->num, hwep->dir, value); + + if (!value) + hwep->wedge = 0; + + if (hwep->type == USB_ENDPOINT_XFER_CONTROL) + hwep->dir = (hwep->dir == TX) ? RX : TX; + + } while (hwep->dir != direction); + + spin_unlock_irqrestore(hwep->lock, flags); + return retval; +} + + /** * _gadget_stop_activity: stops all USB activity, flushes & disables all endpts * @gadget: gadget @@ -1051,7 +1089,7 @@ __acquires(ci->lock) num += ci->hw_ep_max / 2; spin_unlock(&ci->lock); - err = usb_ep_set_halt(&ci->ci_hw_ep[num].ep); + err = _ep_set_halt(&ci->ci_hw_ep[num].ep, 1, false); spin_lock(&ci->lock); if (!err) isr_setup_status_phase(ci); @@ -1117,8 +1155,8 @@ delegate: if (err < 0) { spin_unlock(&ci->lock); - if (usb_ep_set_halt(&hwep->ep)) - dev_err(ci->dev, "error: ep_set_halt\n"); + if (_ep_set_halt(&hwep->ep, 1, false)) + dev_err(ci->dev, "error: _ep_set_halt\n"); spin_lock(&ci->lock); } } @@ -1149,9 +1187,9 @@ __acquires(ci->lock) err = isr_setup_status_phase(ci); if (err < 0) { spin_unlock(&ci->lock); - if (usb_ep_set_halt(&hwep->ep)) + if (_ep_set_halt(&hwep->ep, 1, false)) dev_err(ci->dev, - "error: ep_set_halt\n"); + "error: _ep_set_halt\n"); spin_lock(&ci->lock); } } @@ -1397,41 +1435,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) */ static int ep_set_halt(struct usb_ep *ep, int value) { - struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep); - int direction, retval = 0; - unsigned long flags; - - if (ep == NULL || hwep->ep.desc == NULL) - return -EINVAL; - - if (usb_endpoint_xfer_isoc(hwep->ep.desc)) - return -EOPNOTSUPP; - - spin_lock_irqsave(hwep->lock, flags); - -#ifndef STALL_IN - /* g_file_storage MS compliant but g_zero fails chapter 9 compliance */ - if (value && hwep->type == USB_ENDPOINT_XFER_BULK && hwep->dir == TX && - !list_empty(&hwep->qh.queue)) { - spin_unlock_irqrestore(hwep->lock, flags); - return -EAGAIN; - } -#endif - - direction = hwep->dir; - do { - retval |= hw_ep_set_halt(hwep->ci, hwep->num, hwep->dir, value); - - if (!value) - hwep->wedge = 0; - - if (hwep->type == USB_ENDPOINT_XFER_CONTROL) - hwep->dir = (hwep->dir == TX) ? RX : TX; - - } while (hwep->dir != direction); - - spin_unlock_irqrestore(hwep->lock, flags); - return retval; + return _ep_set_halt(ep, value, true); } /** diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index b2a540b43f97..b9ddf0c1ffe5 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -112,7 +112,7 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, cfgno, inum, asnum, ep->desc.bEndpointAddress); ep->ss_ep_comp.bmAttributes = 16; } else if (usb_endpoint_xfer_isoc(&ep->desc) && - desc->bmAttributes > 2) { + USB_SS_MULT(desc->bmAttributes) > 3) { dev_warn(ddev, "Isoc endpoint has Mult of %d in " "config %d interface %d altsetting %d ep %d: " "setting to 3\n", desc->bmAttributes + 1, @@ -121,7 +121,8 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, } if (usb_endpoint_xfer_isoc(&ep->desc)) - max_tx = (desc->bMaxBurst + 1) * (desc->bmAttributes + 1) * + max_tx = (desc->bMaxBurst + 1) * + (USB_SS_MULT(desc->bmAttributes)) * usb_endpoint_maxp(&ep->desc); else if (usb_endpoint_xfer_int(&ep->desc)) max_tx = usb_endpoint_maxp(&ep->desc) * diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index a5a1b7c45743..22e9606d8e08 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -514,8 +514,6 @@ static int dwc3_omap_probe(struct platform_device *pdev) goto err1; } - dwc3_omap_enable_irqs(omap); - ret = dwc3_omap_extcon_register(omap); if (ret < 0) goto err2; @@ -526,6 +524,8 @@ static int dwc3_omap_probe(struct platform_device *pdev) goto err3; } + dwc3_omap_enable_irqs(omap); + return 0; err3: diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 0c25704dcb6b..1e8bdf817811 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2665,8 +2665,6 @@ static irqreturn_t dwc3_interrupt(int irq, void *_dwc) int i; irqreturn_t ret = IRQ_NONE; - spin_lock(&dwc->lock); - for (i = 0; i < dwc->num_event_buffers; i++) { irqreturn_t status; @@ -2675,8 +2673,6 @@ static irqreturn_t dwc3_interrupt(int irq, void *_dwc) ret = status; } - spin_unlock(&dwc->lock); - return ret; } diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c index 978435a51038..6399c106a3a5 100644 --- a/drivers/usb/gadget/epautoconf.c +++ b/drivers/usb/gadget/epautoconf.c @@ -186,6 +186,7 @@ void usb_ep_autoconfig_reset (struct usb_gadget *gadget) list_for_each_entry (ep, &gadget->ep_list, ep_list) { ep->claimed = false; + ep->driver_data = NULL; } gadget->in_epnum = 0; gadget->out_epnum = 0; diff --git a/drivers/usb/gadget/udc/amd5536udc.c b/drivers/usb/gadget/udc/amd5536udc.c index fdacddb18c00..175ca93fe5e2 100644 --- a/drivers/usb/gadget/udc/amd5536udc.c +++ b/drivers/usb/gadget/udc/amd5536udc.c @@ -3138,8 +3138,8 @@ static void udc_pci_remove(struct pci_dev *pdev) writel(AMD_BIT(UDC_DEVCFG_SOFTRESET), &dev->regs->cfg); if (dev->irq_registered) free_irq(pdev->irq, dev); - if (dev->regs) - iounmap(dev->regs); + if (dev->virt_addr) + iounmap(dev->virt_addr); if (dev->mem_region) release_mem_region(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); @@ -3226,17 +3226,13 @@ static int udc_pci_probe( /* init */ dev = kzalloc(sizeof(struct udc), GFP_KERNEL); - if (!dev) { - retval = -ENOMEM; - goto finished; - } + if (!dev) + return -ENOMEM; /* pci setup */ if (pci_enable_device(pdev) < 0) { - kfree(dev); - dev = NULL; retval = -ENODEV; - goto finished; + goto err_pcidev; } dev->active = 1; @@ -3246,28 +3242,22 @@ static int udc_pci_probe( if (!request_mem_region(resource, len, name)) { dev_dbg(&pdev->dev, "pci device used already\n"); - kfree(dev); - dev = NULL; retval = -EBUSY; - goto finished; + goto err_memreg; } dev->mem_region = 1; dev->virt_addr = ioremap_nocache(resource, len); if (dev->virt_addr == NULL) { dev_dbg(&pdev->dev, "start address cannot be mapped\n"); - kfree(dev); - dev = NULL; retval = -EFAULT; - goto finished; + goto err_ioremap; } if (!pdev->irq) { dev_err(&pdev->dev, "irq not set\n"); - kfree(dev); - dev = NULL; retval = -ENODEV; - goto finished; + goto err_irq; } spin_lock_init(&dev->lock); @@ -3283,10 +3273,8 @@ static int udc_pci_probe( if (request_irq(pdev->irq, udc_irq, IRQF_SHARED, name, dev) != 0) { dev_dbg(&pdev->dev, "request_irq(%d) fail\n", pdev->irq); - kfree(dev); - dev = NULL; retval = -EBUSY; - goto finished; + goto err_irq; } dev->irq_registered = 1; @@ -3314,8 +3302,17 @@ static int udc_pci_probe( return 0; finished: - if (dev) - udc_pci_remove(pdev); + udc_pci_remove(pdev); + return retval; + +err_irq: + iounmap(dev->virt_addr); +err_ioremap: + release_mem_region(resource, len); +err_memreg: + pci_disable_device(pdev); +err_pcidev: + kfree(dev); return retval; } diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 3dfada8d6061..f0f2b066ac08 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -2002,6 +2002,17 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev, ep->udc = udc; INIT_LIST_HEAD(&ep->queue); + if (ep->index == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = ep->can_isoc; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; + if (i) list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list); diff --git a/drivers/usb/gadget/udc/bdc/bdc_core.c b/drivers/usb/gadget/udc/bdc/bdc_core.c index 5c8f4effb62a..ccb9c213cc9f 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_core.c +++ b/drivers/usb/gadget/udc/bdc/bdc_core.c @@ -324,8 +324,7 @@ static void bdc_mem_free(struct bdc *bdc) bdc->scratchpad.buff, bdc->scratchpad.sp_dma); /* Destroy the dma pools */ - if (bdc->bd_table_pool) - dma_pool_destroy(bdc->bd_table_pool); + dma_pool_destroy(bdc->bd_table_pool); /* Free the bdc_ep array */ kfree(bdc->bdc_ep_array); diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c index 1379ad40d864..27af0f008b57 100644 --- a/drivers/usb/gadget/udc/dummy_hcd.c +++ b/drivers/usb/gadget/udc/dummy_hcd.c @@ -1348,6 +1348,7 @@ static int transfer(struct dummy_hcd *dum_hcd, struct urb *urb, { struct dummy *dum = dum_hcd->dum; struct dummy_request *req; + int sent = 0; top: /* if there's no request queued, the device is NAKing; return */ @@ -1385,12 +1386,15 @@ top: if (len == 0) break; - /* use an extra pass for the final short packet */ - if (len > ep->ep.maxpacket) { - rescan = 1; - len -= (len % ep->ep.maxpacket); + /* send multiple of maxpacket first, then remainder */ + if (len >= ep->ep.maxpacket) { + is_short = 0; + if (len % ep->ep.maxpacket) + rescan = 1; + len -= len % ep->ep.maxpacket; + } else { + is_short = 1; } - is_short = (len % ep->ep.maxpacket) != 0; len = dummy_perform_transfer(urb, req, len); @@ -1399,6 +1403,7 @@ top: req->req.status = len; } else { limit -= len; + sent += len; urb->actual_length += len; req->req.actual += len; } @@ -1421,7 +1426,7 @@ top: *status = -EOVERFLOW; else *status = 0; - } else if (!to_host) { + } else { *status = 0; if (host_len > dev_len) req->req.status = -EOVERFLOW; @@ -1429,15 +1434,24 @@ top: req->req.status = 0; } - /* many requests terminate without a short packet */ + /* + * many requests terminate without a short packet. + * send a zlp if demanded by flags. + */ } else { - if (req->req.length == req->req.actual - && !req->req.zero) - req->req.status = 0; - if (urb->transfer_buffer_length == urb->actual_length - && !(urb->transfer_flags - & URB_ZERO_PACKET)) - *status = 0; + if (req->req.length == req->req.actual) { + if (req->req.zero && to_host) + rescan = 1; + else + req->req.status = 0; + } + if (urb->transfer_buffer_length == urb->actual_length) { + if (urb->transfer_flags & URB_ZERO_PACKET && + !to_host) + rescan = 1; + else + *status = 0; + } } /* device side completion --> continuable */ @@ -1460,7 +1474,7 @@ top: if (rescan) goto top; } - return limit; + return sent; } static int periodic_bytes(struct dummy *dum, struct dummy_ep *ep) @@ -1890,7 +1904,7 @@ restart: default: treat_control_like_bulk: ep->last_io = jiffies; - total = transfer(dum_hcd, urb, ep, limit, &status); + total -= transfer(dum_hcd, urb, ep, limit, &status); break; } diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c index 8aa2593c2c36..b9429bc42511 100644 --- a/drivers/usb/gadget/udc/gr_udc.c +++ b/drivers/usb/gadget/udc/gr_udc.c @@ -2117,8 +2117,7 @@ static int gr_remove(struct platform_device *pdev) return -EBUSY; gr_dfs_delete(dev); - if (dev->desc_pool) - dma_pool_destroy(dev->desc_pool); + dma_pool_destroy(dev->desc_pool); platform_set_drvdata(pdev, NULL); gr_free_request(&dev->epi[0].ep, &dev->ep0reqi->req); diff --git a/drivers/usb/gadget/udc/mv_u3d_core.c b/drivers/usb/gadget/udc/mv_u3d_core.c index 4c489692745e..dafe74eb9ade 100644 --- a/drivers/usb/gadget/udc/mv_u3d_core.c +++ b/drivers/usb/gadget/udc/mv_u3d_core.c @@ -1767,8 +1767,7 @@ static int mv_u3d_remove(struct platform_device *dev) usb_del_gadget_udc(&u3d->gadget); /* free memory allocated in probe */ - if (u3d->trb_pool) - dma_pool_destroy(u3d->trb_pool); + dma_pool_destroy(u3d->trb_pool); if (u3d->ep_context) dma_free_coherent(&dev->dev, u3d->ep_context_size, diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c index 339af51df57d..81b6229c7805 100644 --- a/drivers/usb/gadget/udc/mv_udc_core.c +++ b/drivers/usb/gadget/udc/mv_udc_core.c @@ -2100,8 +2100,7 @@ static int mv_udc_remove(struct platform_device *pdev) } /* free memory allocated in probe */ - if (udc->dtd_pool) - dma_pool_destroy(udc->dtd_pool); + dma_pool_destroy(udc->dtd_pool); if (udc->ep_dqh) dma_free_coherent(&pdev->dev, udc->ep_dqh_size, diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 9a8c936cd42c..41f841fa6c4d 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1498,10 +1498,10 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, * use Event Data TRBs, and we don't chain in a link TRB on short * transfers, we're basically dividing by 1. * - * xHCI 1.0 specification indicates that the Average TRB Length should - * be set to 8 for control endpoints. + * xHCI 1.0 and 1.1 specification indicates that the Average TRB Length + * should be set to 8 for control endpoints. */ - if (usb_endpoint_xfer_control(&ep->desc) && xhci->hci_version == 0x100) + if (usb_endpoint_xfer_control(&ep->desc) && xhci->hci_version >= 0x100) ep_ctx->tx_info |= cpu_to_le32(AVG_TRB_LENGTH_FOR_EP(8)); else ep_ctx->tx_info |= @@ -1792,8 +1792,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) int size; int i, j, num_ports; - if (timer_pending(&xhci->cmd_timer)) - del_timer_sync(&xhci->cmd_timer); + del_timer_sync(&xhci->cmd_timer); /* Free the Event Ring Segment Table and the actual Event Ring */ size = sizeof(struct xhci_erst_entry)*(xhci->erst.num_entries); @@ -2321,6 +2320,10 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) INIT_LIST_HEAD(&xhci->cmd_list); + /* init command timeout timer */ + setup_timer(&xhci->cmd_timer, xhci_handle_command_timeout, + (unsigned long)xhci); + page_size = readl(&xhci->op_regs->page_size); xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Supported page size register = 0x%x", page_size); @@ -2505,10 +2508,6 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) "Wrote ERST address to ir_set 0."); xhci_print_ir_set(xhci, 0); - /* init command timeout timer */ - setup_timer(&xhci->cmd_timer, xhci_handle_command_timeout, - (unsigned long)xhci); - /* * XXX: Might need to set the Interrupter Moderation Register to * something other than the default (~1ms minimum between interrupts). diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 5590eac2b22d..c79d33676672 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -180,51 +180,6 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) "QUIRK: Resetting on resume"); } -/* - * In some Intel xHCI controllers, in order to get D3 working, - * through a vendor specific SSIC CONFIG register at offset 0x883c, - * SSIC PORT need to be marked as "unused" before putting xHCI - * into D3. After D3 exit, the SSIC port need to be marked as "used". - * Without this change, xHCI might not enter D3 state. - * Make sure PME works on some Intel xHCI controllers by writing 1 to clear - * the Internal PME flag bit in vendor specific PMCTRL register at offset 0x80a4 - */ -static void xhci_pme_quirk(struct usb_hcd *hcd, bool suspend) -{ - struct xhci_hcd *xhci = hcd_to_xhci(hcd); - struct pci_dev *pdev = to_pci_dev(hcd->self.controller); - u32 val; - void __iomem *reg; - - if (pdev->vendor == PCI_VENDOR_ID_INTEL && - pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) { - - reg = (void __iomem *) xhci->cap_regs + PORT2_SSIC_CONFIG_REG2; - - /* Notify SSIC that SSIC profile programming is not done */ - val = readl(reg) & ~PROG_DONE; - writel(val, reg); - - /* Mark SSIC port as unused(suspend) or used(resume) */ - val = readl(reg); - if (suspend) - val |= SSIC_PORT_UNUSED; - else - val &= ~SSIC_PORT_UNUSED; - writel(val, reg); - - /* Notify SSIC that SSIC profile programming is done */ - val = readl(reg) | PROG_DONE; - writel(val, reg); - readl(reg); - } - - reg = (void __iomem *) xhci->cap_regs + 0x80a4; - val = readl(reg); - writel(val | BIT(28), reg); - readl(reg); -} - #ifdef CONFIG_ACPI static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { @@ -345,6 +300,51 @@ static void xhci_pci_remove(struct pci_dev *dev) } #ifdef CONFIG_PM +/* + * In some Intel xHCI controllers, in order to get D3 working, + * through a vendor specific SSIC CONFIG register at offset 0x883c, + * SSIC PORT need to be marked as "unused" before putting xHCI + * into D3. After D3 exit, the SSIC port need to be marked as "used". + * Without this change, xHCI might not enter D3 state. + * Make sure PME works on some Intel xHCI controllers by writing 1 to clear + * the Internal PME flag bit in vendor specific PMCTRL register at offset 0x80a4 + */ +static void xhci_pme_quirk(struct usb_hcd *hcd, bool suspend) +{ + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + struct pci_dev *pdev = to_pci_dev(hcd->self.controller); + u32 val; + void __iomem *reg; + + if (pdev->vendor == PCI_VENDOR_ID_INTEL && + pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) { + + reg = (void __iomem *) xhci->cap_regs + PORT2_SSIC_CONFIG_REG2; + + /* Notify SSIC that SSIC profile programming is not done */ + val = readl(reg) & ~PROG_DONE; + writel(val, reg); + + /* Mark SSIC port as unused(suspend) or used(resume) */ + val = readl(reg); + if (suspend) + val |= SSIC_PORT_UNUSED; + else + val &= ~SSIC_PORT_UNUSED; + writel(val, reg); + + /* Notify SSIC that SSIC profile programming is done */ + val = readl(reg) | PROG_DONE; + writel(val, reg); + readl(reg); + } + + reg = (void __iomem *) xhci->cap_regs + 0x80a4; + val = readl(reg); + writel(val | BIT(28), reg); + readl(reg); +} + static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index a47a1e897086..43291f93afeb 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -302,6 +302,15 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci) ret = xhci_handshake(&xhci->op_regs->cmd_ring, CMD_RING_RUNNING, 0, 5 * 1000 * 1000); if (ret < 0) { + /* we are about to kill xhci, give it one more chance */ + xhci_write_64(xhci, temp_64 | CMD_RING_ABORT, + &xhci->op_regs->cmd_ring); + udelay(1000); + ret = xhci_handshake(&xhci->op_regs->cmd_ring, + CMD_RING_RUNNING, 0, 3 * 1000 * 1000); + if (ret == 0) + return 0; + xhci_err(xhci, "Stopped the command ring failed, " "maybe the host is dead\n"); xhci->xhc_state |= XHCI_STATE_DYING; @@ -3461,8 +3470,8 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, if (start_cycle == 0) field |= 0x1; - /* xHCI 1.0 6.4.1.2.1: Transfer Type field */ - if (xhci->hci_version == 0x100) { + /* xHCI 1.0/1.1 6.4.1.2.1: Transfer Type field */ + if (xhci->hci_version >= 0x100) { if (urb->transfer_buffer_length > 0) { if (setup->bRequestType & USB_DIR_IN) field |= TRB_TX_TYPE(TRB_DATA_IN); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 6b0f4a47e402..9957bd96d4bc 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -146,7 +146,8 @@ static int xhci_start(struct xhci_hcd *xhci) "waited %u microseconds.\n", XHCI_MAX_HALT_USEC); if (!ret) - xhci->xhc_state &= ~XHCI_STATE_HALTED; + xhci->xhc_state &= ~(XHCI_STATE_HALTED | XHCI_STATE_DYING); + return ret; } @@ -654,15 +655,6 @@ int xhci_run(struct usb_hcd *hcd) } EXPORT_SYMBOL_GPL(xhci_run); -static void xhci_only_stop_hcd(struct usb_hcd *hcd) -{ - struct xhci_hcd *xhci = hcd_to_xhci(hcd); - - spin_lock_irq(&xhci->lock); - xhci_halt(xhci); - spin_unlock_irq(&xhci->lock); -} - /* * Stop xHCI driver. * @@ -677,12 +669,14 @@ void xhci_stop(struct usb_hcd *hcd) u32 temp; struct xhci_hcd *xhci = hcd_to_xhci(hcd); - if (!usb_hcd_is_primary_hcd(hcd)) { - xhci_only_stop_hcd(xhci->shared_hcd); + if (xhci->xhc_state & XHCI_STATE_HALTED) return; - } + mutex_lock(&xhci->mutex); spin_lock_irq(&xhci->lock); + xhci->xhc_state |= XHCI_STATE_HALTED; + xhci->cmd_ring_state = CMD_RING_STATE_STOPPED; + /* Make sure the xHC is halted for a USB3 roothub * (xhci_stop() could be called as part of failed init). */ @@ -717,6 +711,7 @@ void xhci_stop(struct usb_hcd *hcd) xhci_dbg_trace(xhci, trace_xhci_dbg_init, "xhci_stop completed - status = %x", readl(&xhci->op_regs->status)); + mutex_unlock(&xhci->mutex); } /* @@ -3793,6 +3788,9 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev, mutex_lock(&xhci->mutex); + if (xhci->xhc_state) /* dying or halted */ + goto out; + if (!udev->slot_id) { xhci_dbg_trace(xhci, trace_xhci_dbg_address, "Bad Slot ID %d", udev->slot_id); diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 514a6cdaeff6..4a518ff12310 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1051,6 +1051,7 @@ void musb_start(struct musb *musb) * (c) peripheral initiates, using SRP */ if (musb->port_mode != MUSB_PORT_MODE_HOST && + musb->xceiv->otg->state != OTG_STATE_A_WAIT_BCON && (devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) { musb->is_active = 1; } else { @@ -2448,6 +2449,9 @@ static int musb_suspend(struct device *dev) struct musb *musb = dev_to_musb(dev); unsigned long flags; + musb_platform_disable(musb); + musb_generic_disable(musb); + spin_lock_irqsave(&musb->lock, flags); if (is_peripheral_active(musb)) { @@ -2501,6 +2505,9 @@ static int musb_resume(struct device *dev) pm_runtime_disable(dev); pm_runtime_set_active(dev); pm_runtime_enable(dev); + + musb_start(musb); + return 0; } diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index d07cafb7d5f5..e499b862a946 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -551,6 +551,9 @@ static int cppi41_dma_channel_abort(struct dma_channel *channel) } else { cppi41_set_autoreq_mode(cppi41_channel, EP_MODE_AUTOREQ_NONE); + /* delay to drain to cppi dma pipeline for isoch */ + udelay(250); + csr = musb_readw(epio, MUSB_RXCSR); csr &= ~(MUSB_RXCSR_H_REQPKT | MUSB_RXCSR_DMAENAB); musb_writew(epio, MUSB_RXCSR, csr); diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index a0cfead6150f..84512d1d5eee 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -225,8 +225,11 @@ static void dsps_musb_enable(struct musb *musb) dsps_writel(reg_base, wrp->epintr_set, epmask); dsps_writel(reg_base, wrp->coreintr_set, coremask); - /* start polling for ID change. */ - mod_timer(&glue->timer, jiffies + msecs_to_jiffies(wrp->poll_timeout)); + /* start polling for ID change in dual-role idle mode */ + if (musb->xceiv->otg->state == OTG_STATE_B_IDLE && + musb->port_mode == MUSB_PORT_MODE_DUAL_ROLE) + mod_timer(&glue->timer, jiffies + + msecs_to_jiffies(wrp->poll_timeout)); dsps_musb_try_idle(musb, 0); } diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c index 39168fe9b406..b2685e75a683 100644 --- a/drivers/usb/musb/ux500.c +++ b/drivers/usb/musb/ux500.c @@ -379,6 +379,8 @@ static const struct of_device_id ux500_match[] = { {} }; +MODULE_DEVICE_TABLE(of, ux500_match); + static struct platform_driver ux500_driver = { .probe = ux500_probe, .remove = ux500_remove, diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig index 7d3beee2a587..173132416170 100644 --- a/drivers/usb/phy/Kconfig +++ b/drivers/usb/phy/Kconfig @@ -155,7 +155,7 @@ config USB_MSM_OTG config USB_QCOM_8X16_PHY tristate "Qualcomm APQ8016/MSM8916 on-chip USB PHY controller support" depends on ARCH_QCOM || COMPILE_TEST - depends on RESET_CONTROLLER + depends on RESET_CONTROLLER && EXTCON select USB_PHY select USB_ULPI_VIEWPORT help diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c index ec6ecd03269c..5320cb8642cb 100644 --- a/drivers/usb/phy/phy-generic.c +++ b/drivers/usb/phy/phy-generic.c @@ -232,7 +232,8 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop, clk_rate = pdata->clk_rate; needs_vcc = pdata->needs_vcc; if (gpio_is_valid(pdata->gpio_reset)) { - err = devm_gpio_request_one(dev, pdata->gpio_reset, 0, + err = devm_gpio_request_one(dev, pdata->gpio_reset, + GPIOF_ACTIVE_LOW, dev_name(dev)); if (!err) nop->gpiod_reset = diff --git a/drivers/usb/phy/phy-isp1301.c b/drivers/usb/phy/phy-isp1301.c index 8a55b37d1a02..db68156568e6 100644 --- a/drivers/usb/phy/phy-isp1301.c +++ b/drivers/usb/phy/phy-isp1301.c @@ -31,6 +31,7 @@ static const struct i2c_device_id isp1301_id[] = { { "isp1301", 0 }, { } }; +MODULE_DEVICE_TABLE(i2c, isp1301_id); static struct i2c_client *isp1301_i2c_client; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 6d1941a2396a..6956c4f62216 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -278,6 +278,10 @@ static void option_instat_callback(struct urb *urb); #define ZTE_PRODUCT_MF622 0x0001 #define ZTE_PRODUCT_MF628 0x0015 #define ZTE_PRODUCT_MF626 0x0031 +#define ZTE_PRODUCT_ZM8620_X 0x0396 +#define ZTE_PRODUCT_ME3620_MBIM 0x0426 +#define ZTE_PRODUCT_ME3620_X 0x1432 +#define ZTE_PRODUCT_ME3620_L 0x1433 #define ZTE_PRODUCT_AC2726 0xfff1 #define ZTE_PRODUCT_MG880 0xfffd #define ZTE_PRODUCT_CDMA_TECH 0xfffe @@ -544,6 +548,18 @@ static const struct option_blacklist_info zte_mc2716_z_blacklist = { .sendsetup = BIT(1) | BIT(2) | BIT(3), }; +static const struct option_blacklist_info zte_me3620_mbim_blacklist = { + .reserved = BIT(2) | BIT(3) | BIT(4), +}; + +static const struct option_blacklist_info zte_me3620_xl_blacklist = { + .reserved = BIT(3) | BIT(4) | BIT(5), +}; + +static const struct option_blacklist_info zte_zm8620_x_blacklist = { + .reserved = BIT(3) | BIT(4) | BIT(5), +}; + static const struct option_blacklist_info huawei_cdc12_blacklist = { .reserved = BIT(1) | BIT(2), }; @@ -1591,6 +1607,14 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&zte_ad3812_z_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2716, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)&zte_mc2716_z_blacklist }, + { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_ME3620_L), + .driver_info = (kernel_ulong_t)&zte_me3620_xl_blacklist }, + { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_ME3620_MBIM), + .driver_info = (kernel_ulong_t)&zte_me3620_mbim_blacklist }, + { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_ME3620_X), + .driver_info = (kernel_ulong_t)&zte_me3620_xl_blacklist }, + { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_ZM8620_X), + .driver_info = (kernel_ulong_t)&zte_zm8620_x_blacklist }, { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x01) }, { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x05) }, { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x86, 0x10) }, diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index 6c3734d2b45a..d3ea90bef84d 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -80,6 +80,8 @@ static int whiteheat_firmware_download(struct usb_serial *serial, static int whiteheat_firmware_attach(struct usb_serial *serial); /* function prototypes for the Connect Tech WhiteHEAT serial converter */ +static int whiteheat_probe(struct usb_serial *serial, + const struct usb_device_id *id); static int whiteheat_attach(struct usb_serial *serial); static void whiteheat_release(struct usb_serial *serial); static int whiteheat_port_probe(struct usb_serial_port *port); @@ -116,6 +118,7 @@ static struct usb_serial_driver whiteheat_device = { .description = "Connect Tech - WhiteHEAT", .id_table = id_table_std, .num_ports = 4, + .probe = whiteheat_probe, .attach = whiteheat_attach, .release = whiteheat_release, .port_probe = whiteheat_port_probe, @@ -217,6 +220,34 @@ static int whiteheat_firmware_attach(struct usb_serial *serial) /***************************************************************************** * Connect Tech's White Heat serial driver functions *****************************************************************************/ + +static int whiteheat_probe(struct usb_serial *serial, + const struct usb_device_id *id) +{ + struct usb_host_interface *iface_desc; + struct usb_endpoint_descriptor *endpoint; + size_t num_bulk_in = 0; + size_t num_bulk_out = 0; + size_t min_num_bulk; + unsigned int i; + + iface_desc = serial->interface->cur_altsetting; + + for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { + endpoint = &iface_desc->endpoint[i].desc; + if (usb_endpoint_is_bulk_in(endpoint)) + ++num_bulk_in; + if (usb_endpoint_is_bulk_out(endpoint)) + ++num_bulk_out; + } + + min_num_bulk = COMMAND_PORT + 1; + if (num_bulk_in < min_num_bulk || num_bulk_out < min_num_bulk) + return -ENODEV; + + return 0; +} + static int whiteheat_attach(struct usb_serial *serial) { struct usb_serial_port *command_port; |