summaryrefslogtreecommitdiffstats
path: root/drivers/char
Commit message (Collapse)AuthorAgeFilesLines
* Merge tag 'for-linus-5.10-1' of git://github.com/cminyard/linux-ipmiLinus Torvalds2020-10-145-36/+89
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull IPMI updates from Corey Minyard: "Some minor bug fixes, return values, cleanups of prints, conversion of tasklets to the new API. The biggest change is retrying the initial information fetch from the management controller. If that fails, the iterface is not operational, and one group was having trouble with the management controller not being ready when the OS started up. So a retry was added" * tag 'for-linus-5.10-1' of git://github.com/cminyard/linux-ipmi: ipmi_si: Fix wrong return value in try_smi_init() ipmi: msghandler: Fix a signedness bug ipmi: add retry in try_get_dev_id() ipmi: Clean up some printks ipmi:msghandler: retry to get device id on an error ipmi:sm: Print current state when the state is invalid ipmi: Reset response handler when failing to send the command ipmi: add a newline when printing parameter 'panic_op' by sysfs char: ipmi: convert tasklets to use new tasklet_setup() API
| * ipmi_si: Fix wrong return value in try_smi_init()Tianjia Zhang2020-10-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | On an error exit path, a negative error code should be returned instead of a positive return value. Fixes: 90b2d4f15ff7 ("ipmi_si: Remove hacks for adding a dummy platform devices") Cc: Corey Minyard <cminyard@mvista.com> Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Message-Id: <20201005145212.84435-1-tianjia.zhang@linux.alibaba.com> Signed-off-by: Corey Minyard <cminyard@mvista.com>
| * ipmi: msghandler: Fix a signedness bugDan Carpenter2020-09-182-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The type for the completion codes should be unsigned char instead of char. If it is declared as a normal char then the conditions in __get_device_id() are impossible because the IPMI_DEVICE_IN_FW_UPDATE_ERR error codes are higher than 127. drivers/char/ipmi/ipmi_msghandler.c:2449 __get_device_id() warn: impossible condition '(bmc->cc == 209) => ((-128)-127 == 209)' Fixes: f8910ffa81b0 ("ipmi:msghandler: retry to get device id on an error") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Message-Id: <20200918142756.GB909725@mwanda> Signed-off-by: Corey Minyard <cminyard@mvista.com>
| * ipmi: add retry in try_get_dev_id()Xianting Tian2020-09-162-2/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | Use a retry machanism to give the BMC more opportunities to correctly respond when we receive specific completion codes. This is similar to what is done in __get_device_id(). Signed-off-by: Xianting Tian <tian.xianting@h3c.com> Message-Id: <20200916062129.26129-1-tian.xianting@h3c.com> [Moved GET_DEVICE_ID_MAX_RETRY to include/linux/ipmi.h, reworded some text.] Signed-off-by: Corey Minyard <cminyard@mvista.com>
| * ipmi: Clean up some printksCorey Minyard2020-09-153-19/+29
| | | | | | | | | | | | Convert to dev_xxx() and fix some verbage. Signed-off-by: Corey Minyard <cminyard@mvista.com>
| * ipmi:msghandler: retry to get device id on an errorXianting Tian2020-09-151-4/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We fail to get the BMCS's device id with low probability when loading the ipmi driver and it causes BMC device registration failed. When this issue occurs we got below kernel prints: [Wed Sep 9 19:52:03 2020] ipmi_si IPI0001:00: IPMI message handler: device id demangle failed: -22 [Wed Sep 9 19:52:03 2020] IPMI BT: using default values [Wed Sep 9 19:52:03 2020] IPMI BT: req2rsp=5 secs retries=2 [Wed Sep 9 19:52:03 2020] ipmi_si IPI0001:00: Unable to get the device id: -5 [Wed Sep 9 19:52:04 2020] ipmi_si IPI0001:00: Unable to register device: error -5 When this issue happens, we want to manually unload the driver and try to load it again, but it can't be unloaded by 'rmmod' as it is already 'in use'. We add a print in handle_one_recv_msg(), when this issue happens, the msg we received is "Recv: 1c 01 d5", which means the data_len is 1, data[0] is 0xd5 (completion code), which means "bmc cannot execute command. Command, or request parameter(s), not supported in present state". Debug code: static int handle_one_recv_msg(struct ipmi_smi *intf, struct ipmi_smi_msg *msg) { printk("Recv: %*ph\n", msg->rsp_size, msg->rsp); ... ... } Then in ipmi_demangle_device_id(), it returned '-EINVAL' as 'data_len < 7' and 'data[0] != 0'. We created this patch to retry the get device id when this error happens. We reproduced this issue again and the retry succeed on the first retry, we finally got the correct msg and then all is ok: Recv: 1c 01 00 01 81 05 84 02 af db 07 00 01 00 b9 00 10 00 So use a retry machanism in this patch to give bmc more opportunity to correctly response kernel when we received specific completion codes. Signed-off-by: Xianting Tian <tian.xianting@h3c.com> Message-Id: <20200915071817.4484-1-tian.xianting@h3c.com> [Cleaned up the verbage a bit in the header and prints.] Signed-off-by: Corey Minyard <cminyard@mvista.com>
| * ipmi:sm: Print current state when the state is invalidXianting Tian2020-09-153-3/+9
| | | | | | | | | | | | | | | | | | | | Print current state before returning IPMI_NOT_IN_MY_STATE_ERR so we can know where this issue is coming from and possibly fix the state machine. Signed-off-by: Xianting Tian <tian.xianting@h3c.com> Message-Id: <20200915074441.4090-1-tian.xianting@h3c.com> [Converted printk() to pr_xxx().] Signed-off-by: Corey Minyard <cminyard@mvista.com>
| * ipmi: Reset response handler when failing to send the commandMarkus Boehme2020-09-151-1/+3
| | | | | | | | | | | | | | | | | | When failing to send a command we don't expect a response. Clear the `null_user_handler` like is done in the success path. Signed-off-by: Markus Boehme <markubo@amazon.com> Message-Id: <1599495937-10654-1-git-send-email-markubo@amazon.com> Signed-off-by: Corey Minyard <cminyard@mvista.com>
| * ipmi: add a newline when printing parameter 'panic_op' by sysfsXiongfeng Wang2020-09-031-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | When I cat ipmi_msghandler parameter 'panic_op' by sysfs, it displays as follows. It's better to add a newline for easy reading. root@(none):/# cat /sys/module/ipmi_msghandler/parameters/panic_op noneroot@(none):/# Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Message-Id: <1599130873-2402-1-git-send-email-wangxiongfeng2@huawei.com> Signed-off-by: Corey Minyard <cminyard@mvista.com>
| * char: ipmi: convert tasklets to use new tasklet_setup() APIAllen Pais2020-08-181-7/+6
| | | | | | | | | | | | | | | | | | | | | | | | In preparation for unconditionally passing the struct tasklet_struct pointer to all tasklet callbacks, switch to using the new tasklet_setup() and from_tasklet() to pass the tasklet pointer explicitly. Signed-off-by: Romain Perier <romain.perier@gmail.com> Signed-off-by: Allen Pais <allen.lkml@gmail.com> Message-Id: <20200817091617.28119-3-allen.cryptic@gmail.com> Signed-off-by: Corey Minyard <cminyard@mvista.com>
* | Merge tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-blockLinus Torvalds2020-10-131-32/+24
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull block updates from Jens Axboe: - Series of merge handling cleanups (Baolin, Christoph) - Series of blk-throttle fixes and cleanups (Baolin) - Series cleaning up BDI, seperating the block device from the backing_dev_info (Christoph) - Removal of bdget() as a generic API (Christoph) - Removal of blkdev_get() as a generic API (Christoph) - Cleanup of is-partition checks (Christoph) - Series reworking disk revalidation (Christoph) - Series cleaning up bio flags (Christoph) - bio crypt fixes (Eric) - IO stats inflight tweak (Gabriel) - blk-mq tags fixes (Hannes) - Buffer invalidation fixes (Jan) - Allow soft limits for zone append (Johannes) - Shared tag set improvements (John, Kashyap) - Allow IOPRIO_CLASS_RT for CAP_SYS_NICE (Khazhismel) - DM no-wait support (Mike, Konstantin) - Request allocation improvements (Ming) - Allow md/dm/bcache to use IO stat helpers (Song) - Series improving blk-iocost (Tejun) - Various cleanups (Geert, Damien, Danny, Julia, Tetsuo, Tian, Wang, Xianting, Yang, Yufen, yangerkun) * tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-block: (191 commits) block: fix uapi blkzoned.h comments blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue blk-mq: get rid of the dead flush handle code path block: get rid of unnecessary local variable block: fix comment and add lockdep assert blk-mq: use helper function to test hw stopped block: use helper function to test queue register block: remove redundant mq check block: invoke blk_mq_exit_sched no matter whether have .exit_sched percpu_ref: don't refer to ref->data if it isn't allocated block: ratelimit handle_bad_sector() message blk-throttle: Re-use the throtl_set_slice_end() blk-throttle: Open code __throtl_de/enqueue_tg() blk-throttle: Move service tree validation out of the throtl_rb_first() blk-throttle: Move the list operation after list validation blk-throttle: Fix IO hang for a corner case blk-throttle: Avoid tracking latency if low limit is invalid blk-throttle: Avoid getting the current time if tg->last_finish_time is 0 blk-throttle: Remove a meaningless parameter for throtl_downgrade_state() block: Remove redundant 'return' statement ...
| * | raw: don't keep unopened block device aroundChristoph Hellwig2020-09-231-32/+19
| | | | | | | | | | | | | | | | | | | | | | | | Turn binding into a normal dev_t as the struct block device doesn't buy us anything and use blkdev_open_by_dev to actually open it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | raw: deprecate the raw driverChristoph Hellwig2020-09-011-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | The raw driver has been replaced by O_DIRECT support on the block device in 2002. Deprecate it to prepare for removal in a few kernel releases. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* | | Merge branch 'linus' of ↵Linus Torvalds2020-10-1312-27/+364
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto updates from Herbert Xu: "API: - Allow DRBG testing through user-space af_alg - Add tcrypt speed testing support for keyed hashes - Add type-safe init/exit hooks for ahash Algorithms: - Mark arc4 as obsolete and pending for future removal - Mark anubis, khazad, sead and tea as obsolete - Improve boot-time xor benchmark - Add OSCCA SM2 asymmetric cipher algorithm and use it for integrity Drivers: - Fixes and enhancement for XTS in caam - Add support for XIP8001B hwrng in xiphera-trng - Add RNG and hash support in sun8i-ce/sun8i-ss - Allow imx-rngc to be used by kernel entropy pool - Use crypto engine in omap-sham - Add support for Ingenic X1830 with ingenic" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (205 commits) X.509: Fix modular build of public_key_sm2 crypto: xor - Remove unused variable count in do_xor_speed X.509: fix error return value on the failed path crypto: bcm - Verify GCM/CCM key length in setkey crypto: qat - drop input parameter from adf_enable_aer() crypto: qat - fix function parameters descriptions crypto: atmel-tdes - use semicolons rather than commas to separate statements crypto: drivers - use semicolons rather than commas to separate statements hwrng: mxc-rnga - use semicolons rather than commas to separate statements hwrng: iproc-rng200 - use semicolons rather than commas to separate statements hwrng: stm32 - use semicolons rather than commas to separate statements crypto: xor - use ktime for template benchmarking crypto: xor - defer load time benchmark to a later time crypto: hisilicon/zip - fix the uninitalized 'curr_qm_qp_num' crypto: hisilicon/zip - fix the return value when device is busy crypto: hisilicon/zip - fix zero length input in GZIP decompress crypto: hisilicon/zip - fix the uncleared debug registers lib/mpi: Fix unused variable warnings crypto: x86/poly1305 - Remove assignments with no effect hwrng: npcm - modify readl to readb ...
| * | | hwrng: mxc-rnga - use semicolons rather than commas to separate statementsJulia Lawall2020-10-021-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace commas with semicolons. What is done is essentially described by the following Coccinelle semantic patch (http://coccinelle.lip6.fr/): // <smpl> @@ expression e1,e2; @@ e1 -, +; e2 ... when any // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | | hwrng: iproc-rng200 - use semicolons rather than commas to separate statementsJulia Lawall2020-10-021-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace commas with semicolons. What is done is essentially described by the following Coccinelle semantic patch (http://coccinelle.lip6.fr/): // <smpl> @@ expression e1,e2; @@ e1 -, +; e2 ... when any // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | | hwrng: stm32 - use semicolons rather than commas to separate statementsJulia Lawall2020-10-021-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace commas with semicolons. What is done is essentially described by the following Coccinelle semantic patch (http://coccinelle.lip6.fr/): // <smpl> @@ expression e1,e2; @@ e1 -, +; e2 ... when any // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | | hwrng: npcm - modify readl to readbTomer Maimon2020-10-021-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Modify the read size to the correct HW random registers size, 8bit. The incorrect read size caused and faulty HW random value. Signed-off-by: Tomer Maimon <tmaimon77@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | | hwrng: ingenic - Add hardware TRNG for Ingenic X1830周琰杰 (Zhou Yanjie)2020-09-253-0/+176
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add X1830 SoC digital true random number generator driver. Tested-by: 周正 (Zhou Zheng) <sernia.zhou@foxmail.com> Co-developed-by: 漆鹏振 (Qi Pengzhen) <aric.pzqi@ingenic.com> Signed-off-by: 漆鹏振 (Qi Pengzhen) <aric.pzqi@ingenic.com> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | | hwrng: xiphera-trng: add support for XIP8001B hwrngAtte Tommiska2020-09-113-0/+161
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Xiphera XIP8001B is an FPGA-based True Random Number Generator Intellectual Property (IP) Core which can be instantiated in multiple FPGA families. This driver adds Linux support for it through the hwrng interface. Signed-off-by: Atte Tommiska <atte.tommiska@xiphera.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | | hwrng: imx-rngc - add quality to use it as kernel entropy poolMarco Felsch2020-09-111-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The RNGB can generate 2^20 words (1 word == 4 byte) of 'random' data after the seed pool was initialized. The pool needs to be reseeded if more words are required. The reseeding is done automatically since commit 3acd9ea9331c ("hwrng: imx-rngc - use automatic seeding"). We can't retrieve the TRNG values directly so we need a other way to get the quality level. We know that the PRNG uses 20.000 entropy samples from the TRNG to generate 2^20 words (1MiB) and the quality level is defined as (in bits of entropy per 1024 bits of input). So the quality level can be calculated by: 20.000 * 1024 ------------- = ~ 19.5 2^20 Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | | hwrng: cctrn - Simplify with dev_err_probe()Krzysztof Kozlowski2020-09-041-5/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and also it prints the error value. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Hadar Gat <hadar.gat@arm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | | hwrng: intel - cleanup initializationTom Rix2020-08-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | clang static analysis reports this problem intel-rng.c:333:2: warning: Assigned value is garbage or undefined void __iomem *mem = mem; ^~~~~~~~~~~~~~~~~ ~~~ Because mem is assigned before it is used, this is not a real problem. But the initialization is strange and not needed, so remove it. Signed-off-by: Tom Rix <trix@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | | hwrng: optee - fix wait use caseJorge Ramirez-Ortiz2020-08-211-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current code waits for data to be available before attempting a second read. However the second read would not be executed as the while loop will exit. This fix does not wait if all data has been read (skips the call to msleep(0)) and reads a second time if partial data was retrieved on the first read. Worth noticing that since msleep(0) schedules a one jiffy timeout is better to skip such a call. Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io> Reviewed-by: Sumit Garg <sumit.garg@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | | hwrng: optee - handle unlimited data ratesJorge Ramirez-Ortiz2020-08-211-1/+1
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | Data rates of MAX_UINT32 will schedule an unnecessary one jiffy timeout on the call to msleep. Avoid this scenario by using 0 as the unlimited data rate. Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io> Reviewed-by: Sumit Garg <sumit.garg@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | | tpm_tis: Add a check for invalid statusJames Bottomley2020-10-022-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some TIS based TPMs can return 0xff to status reads if the locality hasn't been properly requested. Detect this condition by checking the bits that the TIS spec specifies must return zero are clear and return zero in that case. Also drop a warning so the problem can be identified in the calling path and fixed (usually a missing try_get_ops()). Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
* | | tpm: use %*ph to print small bufferAndy Shevchenko2020-10-021-21/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | Use %*ph format to print small buffer as hex string. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Petr Vorel <pvorel@suse.cz> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
* | | tpm: tis: add support for MMIO TPM on SynQuacerMasahisa Kojima2020-10-023-0/+221
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | When fitted, the SynQuacer platform exposes its SPI TPM via a MMIO window that is backed by the SPI command sequencer in the SPI bus controller. This arrangement has the limitation that only byte size accesses are supported, and so we'll need to provide a separate module that take this into account. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
* | Merge branch 'linus' of ↵Linus Torvalds2020-08-301-7/+2
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fixes from Herbert Xu: - fix regression in af_alg that affects iwd - restore polling delay in qat - fix double free in ingenic on error path - fix potential build failure in sa2ul due to missing Kconfig dependency * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: af_alg - Work around empty control messages without MSG_MORE crypto: sa2ul - add Kconfig selects to fix build error crypto: ingenic - Drop kfree for memory allocated with devm_kzalloc crypto: qat - add delay before polling mailbox
| * | crypto: ingenic - Drop kfree for memory allocated with devm_kzallocWei Yongjun2020-08-211-7/+2
| |/ | | | | | | | | | | | | | | | | | | | | It's not necessary to free memory allocated with devm_kzalloc and using kfree leads to a double free. Fixes: 190873a0ea45 ("crypto: ingenic - Add hardware RNG for Ingenic JZ4780 and X1000") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Reviewed-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* / treewide: Use fallthrough pseudo-keywordGustavo A. R. Silva2020-08-235-6/+6
|/ | | | | | | | | | Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
* Merge tag 'for-linus-5.9-1' of git://github.com/cminyard/linux-ipmiLinus Torvalds2020-08-083-9/+7
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | Pull IPMI updates from Corey Minyard: "Minor cleanups to the IPMI driver for 5.9 Nothing of any major consequence. Duplicate code, some missing \n's in sysfs files, some documentation and comment changes" * tag 'for-linus-5.9-1' of git://github.com/cminyard/linux-ipmi: ipmi/watchdog: add missing newlines when printing parameters by sysfs ipmi: remve duplicate code in __ipmi_bmc_register() ipmi: ssif: Remove finished TODO comment about SMBus alert Doc: driver-api: ipmi: Add description of alerts_broken module param
| * ipmi/watchdog: add missing newlines when printing parameters by sysfsXiongfeng Wang2020-07-211-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | When I cat some ipmi_watchdog parameters by sysfs, it displays as follows. It's better to add a newline for easy reading. root@(none):/# cat /sys/module/ipmi_watchdog/parameters/action resetroot@(none):/# cat /sys/module/ipmi_watchdog/parameters/preaction pre_noneroot@(none):/# cat /sys/module/ipmi_watchdog/parameters/preop preop_noneroot@(none):/# Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Message-Id: <1595313309-43881-1-git-send-email-wangxiongfeng2@huawei.com> Signed-off-by: Corey Minyard <cminyard@mvista.com>
| * ipmi: remve duplicate code in __ipmi_bmc_register()Jing Xiangfeng2020-07-201-2/+0
| | | | | | | | | | | | | | | | | | __ipmi_bmc_register() jumps to the label 'out_free_my_dev_name' in an error path. So we can remove duplicate code in the if (rv). Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com> Message-Id: <20200720080838.148737-1-jingxiangfeng@huawei.com> Signed-off-by: Corey Minyard <cminyard@mvista.com>
| * ipmi: ssif: Remove finished TODO comment about SMBus alertMisono Tomohiro2020-06-241-5/+0
| | | | | | | | | | | | | | | | | | | | commit 9162052173d2 ("ipmi: Add alert handling to SSIF") introduces support of SMBus alert. So, just remove TODO comment in order not to confuse future readers. Signed-off-by: Misono Tomohiro <misono.tomohiro@jp.fujitsu.com> Message-Id: <20200624065405.17653-2-misono.tomohiro@jp.fujitsu.com> Signed-off-by: Corey Minyard <cminyard@mvista.com>
* | Merge tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drmLinus Torvalds2020-08-051-1/+3
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull drm updates from Dave Airlie: "New xilinx displayport driver, AMD support for two new GPUs (more header files), i915 initial support for RocketLake and some work on their DG1 (discrete chip). The core also grew some lockdep annotations to try and constrain what drivers do with dma-fences, and added some documentation on why the idea of indefinite fences doesn't work. The long list is below. I do have some fixes trees outstanding, but I'll follow up with those later. core: - add user def flag to cmd line modes - dma_fence_wait added might_sleep - dma-fence lockdep annotations - indefinite fences are bad documentation - gem CMA functions used in more drivers - struct mutex removal - more drm_ debug macro usage - set/drop master api fixes - fix for drm/mm hole size comparison - drm/mm remove invalid entry optimization - optimise drm/mm hole handling - VRR debugfs added - uncompressed AFBC modifier support - multiple display id blocks in EDID - multiple driver sg handling fixes - __drm_atomic_helper_crtc_reset in all drivers - managed vram helpers ttm: - ttm_mem_reg handling cleanup - remove bo offset field - drop CMA memtype flag - drop mappable flag xilinx: - New Xilinx ZynqMP DisplayPort Subsystem driver nouveau: - add CRC support - start using NVIDIA published class header files - convert all push buffer emission to new macros - Proper push buffer space management for EVO/NVD channels. - firmware loading fixes - 2MiB system memory pages support on Pascal and newer vkms: - larger cursor support i915: - Rocketlake platform enablement - Early DG1 enablement - Numerous GEM refactorings - DP MST fixes - FBC, PSR, Cursor, Color, Gamma fixes - TGL, RKL, EHL workaround updates - TGL 8K display support fixes - SDVO/HDMI/DVI fixes amdgpu: - Initial support for Sienna Cichlid GPU - Initial support for Navy Flounder GPU - SI UVD/VCE support - expose rotation property - Add support for unique id on Arcturus - Enable runtime PM on vega10 boards that support BACO - Skip BAR resizing if the bios already did id - Major swSMU code cleanup - Fixes for DCN bandwidth calculations amdkfd: - Track SDMA usage per process - SMI events interface radeon: - Default to on chip GART for AGP boards on all arches - Runtime PM reference count fixes msm: - headers regenerated causing churn - a650/a640 display and GPU enablement - dpu dither support for 6bpc panels - dpu cursor fix - dsi/mdp5 enablement for sdm630/sdm636/sdm66 tegra: - video capture prep support - reflection support mediatek: - convert mtk_dsi to bridge API meson: - FBC support sun4i: - iommu support rockchip: - register locking fix - per-pixel alpha support PX30 VOP mgag200: - ported to simple and shmem helpers - device init cleanups - use managed pci functions - dropped hw cursor support ast: - use managed pci functions - use managed VRAM helpers - rework cursor support malidp: - dev_groups support hibmc: - refactor hibmc_drv_vdac: vc4: - create TXP CRTC imx: - error path fixes and cleanups etnaviv: - clock handling and error handling cleanups - use pin_user_pages" * tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm: (1747 commits) drm/msm: use kthread_create_worker instead of kthread_run drm/msm/mdp5: Add MDP5 configuration for SDM636/660 drm/msm/dsi: Add DSI configuration for SDM660 drm/msm/mdp5: Add MDP5 configuration for SDM630 drm/msm/dsi: Add phy configuration for SDM630/636/660 drm/msm/a6xx: add A640/A650 hwcg drm/msm/a6xx: hwcg tables in gpulist drm/msm/dpu: add SM8250 to hw catalog drm/msm/dpu: add SM8150 to hw catalog drm/msm/dpu: intf timing path for displayport drm/msm/dpu: set missing flush bits for INTF_2 and INTF_3 drm/msm/dpu: don't use INTF_INPUT_CTRL feature on sdm845 drm/msm/dpu: move some sspp caps to dpu_caps drm/msm/dpu: update UBWC config for sm8150 and sm8250 drm/msm/dpu: use right setup_blend_config for sm8150 and sm8250 drm/msm/a6xx: set ubwc config for A640 and A650 drm/msm/adreno: un-open-code some packets drm/msm: sync generated headers drm/msm/a6xx: add build_bw_table for A640/A650 drm/msm/a6xx: fix crashstate capture for A650 ...
| * \ Merge v5.8-rc6 into drm-nextDave Airlie2020-07-249-28/+35
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | I've got a silent conflict + two trees based on fixes to merge. Fixes a silent merge with amdgpu Signed-off-by: Dave Airlie <airlied@redhat.com>
| * \ \ Merge drm/drm-next into drm-intel-next-queuedJani Nikula2020-06-2536-226/+1117
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Catch up with upstream, in particular to get c1e8d7c6a7a6 ("mmap locking API: convert mmap_sem comments"). Signed-off-by: Jani Nikula <jani.nikula@intel.com>
| * | | | agp/intel: Fix a memory leak on module initialisation failureQiushi Wu2020-05-221-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In intel_gtt_setup_scratch_page(), pointer "page" is not released if pci_dma_mapping_error() return an error, leading to a memory leak on module initialisation failure. Simply fix this issue by freeing "page" before return. Fixes: 0e87d2b06cb46 ("intel-gtt: initialize our own scratch page") Signed-off-by: Qiushi Wu <wu000273@umn.edu> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20200522083451.7448-1-chris@chris-wilson.co.uk
* | | | | Merge tag 'char-misc-5.9-rc1' of ↵Linus Torvalds2020-08-055-14/+14
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here is the large set of char and misc and other driver subsystem patches for 5.9-rc1. Lots of new driver submissions in here, and cleanups and features for existing drivers. Highlights are: - habanalabs driver updates - coresight driver updates - nvmem driver updates - huge number of "W=1" build warning cleanups from Lee Jones - dyndbg updates - virtbox driver fixes and updates - soundwire driver updates - mei driver updates - phy driver updates - fpga driver updates - lots of smaller individual misc/char driver cleanups and fixes Full details are in the shortlog. All of these have been in linux-next with no reported issues" * tag 'char-misc-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (322 commits) habanalabs: remove unused but set variable 'ctx_asid' nvmem: qcom-spmi-sdam: Enable multiple devices dt-bindings: nvmem: SID: add binding for A100's SID controller nvmem: update Kconfig description nvmem: qfprom: Add fuse blowing support dt-bindings: nvmem: Add properties needed for blowing fuses dt-bindings: nvmem: qfprom: Convert to yaml nvmem: qfprom: use NVMEM_DEVID_AUTO for multiple instances nvmem: core: add support to auto devid nvmem: core: Add nvmem_cell_read_u8() nvmem: core: Grammar fixes for help text nvmem: sc27xx: add sc2730 efuse support nvmem: Enforce nvmem stride in the sysfs interface MAINTAINERS: Add git tree for NVMEM FRAMEWORK nvmem: sprd: Fix return value of sprd_efuse_probe() drivers: android: Fix the SPDX comment style drivers: android: Fix a variable declaration coding style issue drivers: android: Remove braces for a single statement if-else block drivers: android: Remove the use of else after return drivers: android: Fix a variable declaration coding style issue ...
| * \ \ \ \ Merge 5.8-rc7 into char-misc-nextGreg Kroah-Hartman2020-07-271-3/+7
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This should resolve the merge/build issues reported when trying to create linux-next. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | | char: Replace HTTP links with HTTPS onesAlexander A. Klimov2020-07-231-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Link: https://lore.kernel.org/r/20200713104453.33414-1-grandmaster@al2klimov.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | | Merge v5.8-rc6 into char-misc-nextGreg Kroah-Hartman2020-07-209-28/+35
| |\ \ \ \ \ \ | | | |_|_|/ / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | We need the char/misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | | char/mwave: remove redundant initialization of variable bRCColin Ian King2020-07-101-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The variable bRC is being initialized with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by: Colin Ian King <colin.king@canonical.com> Link: https://lore.kernel.org/r/20200611152708.927344-1-colin.king@canonical.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | | ttyprintk: remove redundant initialization of variable retColin Ian King2020-07-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The variable ret is being initialized with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by: Colin Ian King <colin.king@canonical.com> Link: https://lore.kernel.org/r/20200611153108.927614-1-colin.king@canonical.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | | char: raw: do not leak CONFIG_MAX_RAW_DEVS to userspaceMasahiro Yamada2020-07-101-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | include/uapi/linux/raw.h leaks CONFIG_MAX_RAW_DEVS to userspace. Userspace programs cannot use MAX_RAW_MINORS since CONFIG_MAX_RAW_DEVS is not available anyway. Remove the MAX_RAW_MINORS definition from the exported header, and use CONFIG_MAX_RAW_DEVS in drivers/char/raw.c While I was here, I converted printk(KERN_WARNING ...) to pr_warn(...) and stretched the warning message. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Link: https://lore.kernel.org/r/20200617083313.183184-1-masahiroy@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | | virtio_console: Constify some static variablesRikard Falkeborn2020-07-101-4/+4
| | |_|_|/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The id_table and feature_table pointers in struct virtio_driver are pointers to const. Mark the corresponding static variables const to allow the compiler to put them in read-only memory. Before: text data bss dec hex filename 25447 713 76 26236 667c drivers/char/virtio_console.o After: text data bss dec hex filename 25488 673 76 26237 667d drivers/char/virtio_console.o Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Amit Shah <amit@kernel.org> Link: https://lore.kernel.org/r/20200701200950.30314-6-rikard.falkeborn@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | | | | | Merge tag 'arm-drivers-5.9' of ↵Linus Torvalds2020-08-031-10/+60
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC driver updates from Arnd Bergmann: "A couple of subsystems have their own subsystem maintainers but choose to have the code merged through the soc tree as upstream, as the code tends to be used across multiple SoCs or has SoC specific drivers itself: - memory controllers: Krzysztof Kozlowski takes ownership of the drivers/memory subsystem and its drivers, starting out with a set of cleanup patches. A larger driver for the Tegra memory controller that was accidentally missed for v5.8 is now added. - reset controllers: Only minor updates to drivers/reset this time - firmware: The "turris mox" firmware driver gains support for signed firmware blobs The tegra firmware driver gets extended to export some debug information Various updates to i.MX firmware drivers, mostly cosmetic - ARM SCMI/SCPI: A new mechanism for platform notifications is added, among a number of minor changes. - optee: Probing of the TEE bus is rewritten to better support detection of devices that depend on the tee-supplicant user space. A new firmware based trusted platform module (fTPM) driver is added based on OP-TEE - SoC attributes: A new driver is added to provide a generic soc_device for identifying a machine through the SMCCC ARCH_SOC_ID firmware interface rather than by probing SoC family specific registers. The series also contains some cleanups to the common soc_device code. There are also a number of updates to SoC specific drivers, the main ones are: - Mediatek cmdq driver gains a few in-kernel interfaces - Minor updates to Qualcomm RPMh, socinfo, rpm drivers, mostly adding support for additional SoC variants - The Qualcomm GENI core code gains interconnect path voting and performance level support, and integrating this into a number of device drivers. - A new driver for Samsung Exynos5800 voltage coupler for - Renesas RZ/G2H (R8A774E1) SoC support gets added to a couple of SoC specific device drivers - Updates to the TI K3 Ring Accelerator driver" * tag 'arm-drivers-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (164 commits) soc: qcom: geni: Fix unused label warning soc: qcom: smd-rpm: Fix kerneldoc memory: jz4780_nemc: Only request IO memory the driver will use soc: qcom: pdr: Reorder the PD state indication ack MAINTAINERS: Add Git repository for memory controller drivers memory: brcmstb_dpfe: Fix language typo memory: samsung: exynos5422-dmc: Correct white space issues memory: samsung: exynos-srom: Correct alignment memory: pl172: Enclose macro argument usage in parenthesis memory: of: Correct kerneldoc memory: omap-gpmc: Fix language typo memory: omap-gpmc: Correct white space issues memory: omap-gpmc: Use 'unsigned int' for consistency memory: omap-gpmc: Enclose macro argument usage in parenthesis memory: omap-gpmc: Correct kerneldoc memory: mvebu-devbus: Align with open parenthesis memory: mvebu-devbus: Add missing braces to all arms of if statement memory: bt1-l2-ctl: Add blank lines after declarations soc: TI knav_qmss: make symbol 'knav_acc_range_ops' static firmware: ti_sci: Replace HTTP links with HTTPS ones ...
| * \ \ \ \ \ Merge tag 'optee-bus-for-v5.9' of ↵Arnd Bergmann2020-07-131-10/+60
| |\ \ \ \ \ \ | | |/ / / / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.linaro.org/people/jens.wiklander/linux-tee into arm/drivers Enable multi-stage OP-TEE bus enumeration Probes drivers on the OP-TEE bus in two steps. First for drivers which do not depend on tee-supplicant. After tee-supplicant has been started probe the devices which do depend on tee-supplicant. Also introduces driver which uses an OP-TEE based fTPM Trusted Application depends on tee-supplicant NV RAM implementation based on RPMB secure storage. * tag 'optee-bus-for-v5.9' of git://git.linaro.org/people/jens.wiklander/linux-tee: tpm_ftpm_tee: register driver on TEE bus optee: enable support for multi-stage bus enumeration optee: use uuid for sysfs driver entry Link: https://lore.kernel.org/r/20200710085230.GA1312913@jade Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| | * | | | | tpm_ftpm_tee: register driver on TEE busMaxim Uvarov2020-07-101-10/+60
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | OP-TEE based fTPM Trusted Application depends on tee-supplicant to provide NV RAM implementation based on RPMB secure storage. So this dependency can be resolved via TEE bus where we only invoke fTPM driver probe once fTPM device is registered on the bus which is only true after the tee-supplicant is up and running. Additionally, TEE bus provides auto device enumeration. Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org> Suggested-by: Sumit Garg <sumit.garg@linaro.org> Suggested-by: Arnd Bergmann <arnd@linaro.org> Reviewed-by: Sumit Garg <sumit.garg@linaro.org> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Tested-by: Sumit Garg <sumit.garg@linaro.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-08 01:22:52 +0000