From b89e8f539ff8bcf2a1464578fa91cb96cc433fc3 Mon Sep 17 00:00:00 2001 From: Xiangliang Yu Date: Tue, 24 May 2011 22:35:09 +0800 Subject: [SCSI] mvsas: Remove unused macros, variables and functions Remove unused macros: VSR_PHY_VS0, VSR_PHY_VS1, MVS_SLOTS, MVS_CAN_QUEUE, MVS_MSI, SG_MX, _MV_DUMP, MV_DISABLE_NCQ Remove unused variables for mvs_info: irq, exp_req, cmd_size Remove unused functions: mvs_get_sas_addr, mvs_hexdump, mvs_hba_sb_dump, mvs_hab_memory_dump, mvs_hba_cq_dump Signed-off-by: Xiangliang Yu Signed-off-by: James Bottomley --- drivers/scsi/mvsas/mv_sas.c | 163 ++------------------------------------------ 1 file changed, 4 insertions(+), 159 deletions(-) (limited to 'drivers/scsi/mvsas/mv_sas.c') diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 4585dc018ad1..7bd0ee3ed2d6 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -38,7 +38,7 @@ static int mvs_find_tag(struct mvs_info *mvi, struct sas_task *task, u32 *tag) void mvs_tag_clear(struct mvs_info *mvi, u32 tag) { - void *bitmap = &mvi->tags; + void *bitmap = mvi->tags; clear_bit(tag, bitmap); } @@ -49,14 +49,14 @@ void mvs_tag_free(struct mvs_info *mvi, u32 tag) void mvs_tag_set(struct mvs_info *mvi, unsigned int tag) { - void *bitmap = &mvi->tags; + void *bitmap = mvi->tags; set_bit(tag, bitmap); } inline int mvs_tag_alloc(struct mvs_info *mvi, u32 *tag_out) { unsigned int index, tag; - void *bitmap = &mvi->tags; + void *bitmap = mvi->tags; index = find_first_zero_bit(bitmap, mvi->tags_num); tag = index; @@ -74,126 +74,6 @@ void mvs_tag_init(struct mvs_info *mvi) mvs_tag_clear(mvi, i); } -void mvs_hexdump(u32 size, u8 *data, u32 baseaddr) -{ - u32 i; - u32 run; - u32 offset; - - offset = 0; - while (size) { - printk(KERN_DEBUG"%08X : ", baseaddr + offset); - if (size >= 16) - run = 16; - else - run = size; - size -= run; - for (i = 0; i < 16; i++) { - if (i < run) - printk(KERN_DEBUG"%02X ", (u32)data[i]); - else - printk(KERN_DEBUG" "); - } - printk(KERN_DEBUG": "); - for (i = 0; i < run; i++) - printk(KERN_DEBUG"%c", - isalnum(data[i]) ? data[i] : '.'); - printk(KERN_DEBUG"\n"); - data = &data[16]; - offset += run; - } - printk(KERN_DEBUG"\n"); -} - -#if (_MV_DUMP > 1) -static void mvs_hba_sb_dump(struct mvs_info *mvi, u32 tag, - enum sas_protocol proto) -{ - u32 offset; - struct mvs_slot_info *slot = &mvi->slot_info[tag]; - - offset = slot->cmd_size + MVS_OAF_SZ + - MVS_CHIP_DISP->prd_size() * slot->n_elem; - dev_printk(KERN_DEBUG, mvi->dev, "+---->Status buffer[%d] :\n", - tag); - mvs_hexdump(32, (u8 *) slot->response, - (u32) slot->buf_dma + offset); -} -#endif - -static void mvs_hba_memory_dump(struct mvs_info *mvi, u32 tag, - enum sas_protocol proto) -{ -#if (_MV_DUMP > 1) - u32 sz, w_ptr; - u64 addr; - struct mvs_slot_info *slot = &mvi->slot_info[tag]; - - /*Delivery Queue */ - sz = MVS_CHIP_SLOT_SZ; - w_ptr = slot->tx; - addr = mvi->tx_dma; - dev_printk(KERN_DEBUG, mvi->dev, - "Delivery Queue Size=%04d , WRT_PTR=%04X\n", sz, w_ptr); - dev_printk(KERN_DEBUG, mvi->dev, - "Delivery Queue Base Address=0x%llX (PA)" - "(tx_dma=0x%llX), Entry=%04d\n", - addr, (unsigned long long)mvi->tx_dma, w_ptr); - mvs_hexdump(sizeof(u32), (u8 *)(&mvi->tx[mvi->tx_prod]), - (u32) mvi->tx_dma + sizeof(u32) * w_ptr); - /*Command List */ - addr = mvi->slot_dma; - dev_printk(KERN_DEBUG, mvi->dev, - "Command List Base Address=0x%llX (PA)" - "(slot_dma=0x%llX), Header=%03d\n", - addr, (unsigned long long)slot->buf_dma, tag); - dev_printk(KERN_DEBUG, mvi->dev, "Command Header[%03d]:\n", tag); - /*mvs_cmd_hdr */ - mvs_hexdump(sizeof(struct mvs_cmd_hdr), (u8 *)(&mvi->slot[tag]), - (u32) mvi->slot_dma + tag * sizeof(struct mvs_cmd_hdr)); - /*1.command table area */ - dev_printk(KERN_DEBUG, mvi->dev, "+---->Command Table :\n"); - mvs_hexdump(slot->cmd_size, (u8 *) slot->buf, (u32) slot->buf_dma); - /*2.open address frame area */ - dev_printk(KERN_DEBUG, mvi->dev, "+---->Open Address Frame :\n"); - mvs_hexdump(MVS_OAF_SZ, (u8 *) slot->buf + slot->cmd_size, - (u32) slot->buf_dma + slot->cmd_size); - /*3.status buffer */ - mvs_hba_sb_dump(mvi, tag, proto); - /*4.PRD table */ - dev_printk(KERN_DEBUG, mvi->dev, "+---->PRD table :\n"); - mvs_hexdump(MVS_CHIP_DISP->prd_size() * slot->n_elem, - (u8 *) slot->buf + slot->cmd_size + MVS_OAF_SZ, - (u32) slot->buf_dma + slot->cmd_size + MVS_OAF_SZ); -#endif -} - -static void mvs_hba_cq_dump(struct mvs_info *mvi) -{ -#if (_MV_DUMP > 2) - u64 addr; - void __iomem *regs = mvi->regs; - u32 entry = mvi->rx_cons + 1; - u32 rx_desc = le32_to_cpu(mvi->rx[entry]); - - /*Completion Queue */ - addr = mr32(RX_HI) << 16 << 16 | mr32(RX_LO); - dev_printk(KERN_DEBUG, mvi->dev, "Completion Task = 0x%p\n", - mvi->slot_info[rx_desc & RXQ_SLOT_MASK].task); - dev_printk(KERN_DEBUG, mvi->dev, - "Completion List Base Address=0x%llX (PA), " - "CQ_Entry=%04d, CQ_WP=0x%08X\n", - addr, entry - 1, mvi->rx[0]); - mvs_hexdump(sizeof(u32), (u8 *)(&rx_desc), - mvi->rx_dma + sizeof(u32) * entry); -#endif -} - -void mvs_get_sas_addr(void *buf, u32 buflen) -{ - /*memcpy(buf, "\x50\x05\x04\x30\x11\xab\x64\x40", 8);*/ -} - struct mvs_info *mvs_find_dev_mvi(struct domain_device *dev) { unsigned long i = 0, j = 0, hi = 0; @@ -421,13 +301,6 @@ int mvs_slave_configure(struct scsi_device *sdev) if (ret) return ret; if (dev_is_sata(dev)) { - /* may set PIO mode */ - #if MV_DISABLE_NCQ - struct ata_port *ap = dev->sata_dev.ap; - struct ata_device *adev = ap->link.device; - adev->flags |= ATA_DFLAG_NCQ_OFF; - scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, 1); - #endif } return 0; } @@ -475,10 +348,7 @@ static int mvs_task_prep_smp(struct mvs_info *mvi, void *buf_prd; struct mvs_slot_info *slot = &mvi->slot_info[tag]; u32 flags = (tei->n_elem << MCH_PRD_LEN_SHIFT); -#if _MV_DUMP - u8 *buf_cmd; - void *from; -#endif + /* * DMA-map SMP request, response buffers */ @@ -510,15 +380,7 @@ static int mvs_task_prep_smp(struct mvs_info *mvi, buf_tmp = slot->buf; buf_tmp_dma = slot->buf_dma; -#if _MV_DUMP - buf_cmd = buf_tmp; - hdr->cmd_tbl = cpu_to_le64(buf_tmp_dma); - buf_tmp += req_len; - buf_tmp_dma += req_len; - slot->cmd_size = req_len; -#else hdr->cmd_tbl = cpu_to_le64(sg_dma_address(sg_req)); -#endif /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */ buf_oaf = buf_tmp; @@ -567,12 +429,6 @@ static int mvs_task_prep_smp(struct mvs_info *mvi, /* fill in PRD (scatter/gather) table, if any */ MVS_CHIP_DISP->make_prd(task->scatter, tei->n_elem, buf_prd); -#if _MV_DUMP - /* copy cmd table */ - from = kmap_atomic(sg_page(sg_req), KM_IRQ0); - memcpy(buf_cmd, from + sg_req->offset, req_len); - kunmap_atomic(from, KM_IRQ0); -#endif return 0; err_out_2: @@ -668,9 +524,6 @@ static int mvs_task_prep_ata(struct mvs_info *mvi, buf_tmp += MVS_ATA_CMD_SZ; buf_tmp_dma += MVS_ATA_CMD_SZ; -#if _MV_DUMP - slot->cmd_size = MVS_ATA_CMD_SZ; -#endif /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */ /* used for STP. unused for SATA? */ @@ -788,9 +641,6 @@ static int mvs_task_prep_ssp(struct mvs_info *mvi, buf_tmp += MVS_SSP_CMD_SZ; buf_tmp_dma += MVS_SSP_CMD_SZ; -#if _MV_DUMP - slot->cmd_size = MVS_SSP_CMD_SZ; -#endif /* region 2: open address frame area (MVS_OAF_SZ bytes) ********* */ buf_oaf = buf_tmp; @@ -997,7 +847,6 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf task->task_state_flags |= SAS_TASK_AT_INITIATOR; spin_unlock(&task->task_state_lock); - mvs_hba_memory_dump(mvi, tag, task->task_proto); mvi_dev->running_req++; ++(*pass); mvi->tx_prod = (mvi->tx_prod + 1) & (MVS_CHIP_SLOT_SZ - 1); @@ -1963,8 +1812,6 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) void *to; enum exec_status sts; - if (mvi->exp_req) - mvi->exp_req--; if (unlikely(!task || !task->lldd_task || !task->dev)) return -1; @@ -1972,8 +1819,6 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) dev = task->dev; mvi_dev = dev->lldd_dev; - mvs_hba_cq_dump(mvi); - spin_lock(&task->task_state_lock); task->task_state_flags &= ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR); -- cgit v1.2.3