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2020-10-07platform_data/mlxreg: Update module licenseVadim Pasternak
Update license to SPDX-License. Signed-off-by: Vadim Pasternak <vadimp@nvidia.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20200923172053.26296-4-vadimp@nvidia.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-10-07platform/x86: mlx-platform: Remove PSU EEPROM configurationVadim Pasternak
Remove PSU EEPROM configuration for systems class equipped with Mellanox chip Spectrume-2. Till now all the systems from this class used few types of power units, all equipped with EEPROM device with address space two bytes. Thus, all these devices have been handled by EEPROM driver "24c32". There is a new requirement is to support power unit replacement by "off the shelf" device, matching electrical required parameters. Such device could be equipped with different EEPROM type, which could be one byte address space addressing or even could be not equipped with EEPROM. In such case "24c32" will not work. Fixes: 1bd42d94ccab ("platform/x86: mlx-platform: Add support for new 200G IB and Ethernet systems") Signed-off-by: Vadim Pasternak <vadimp@nvidia.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20200923172053.26296-2-vadimp@nvidia.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-10-07MAINTAINERS: Update maintainers for pmc_core driverGayatri Kammela
Update MAINTAINERS file for pmc_core driver to reflect the current maintainers. Cc: Vishwanath Somayaji <vishwanath.somayaji@intel.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com> Cc: David E. Box <david.e.box@linux.intel.com> Acked-by: David E. Box <david.e.box@linux.intel.com> Acked-by: Vishwanath Somayaji <vishwanath.somayaji@intel.com> Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com> Signed-off-by: David E. Box <david.e.box@linux.intel.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com> Link: https://lore.kernel.org/r/20201007035108.31078-5-david.e.box@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-10-07platform/x86: intel_pmc_core: fix: Replace dev_dbg macro with dev_info()Gayatri Kammela
dev_dbg macro is used to dump the debug registers in resume from an S0ix failure. However, when CONFIG_DYNAMIC_DEBUG is not set, the user may not be able to find the debug dump on an S0ix failure which defeats the purpose. The output of these messages is already controlled by a module parameter, warn_on_s0ix_failures, making it a 2 step process to enable anyway when CONFIG_DYNAMIC_DEBUG is set. Hence, replace dev_dbg with dev_info, allowing the control of the messages solely through the module parameter which is N by default. Fixes commit 913f984a8347 ("platform/x86: intel_pmc_core: Add an additional parameter to pmc_core_lpm_display()") Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: David E. Box <david.e.box@linux.intel.com> Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com> Signed-off-by: David E. Box <david.e.box@linux.intel.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com> Link: https://lore.kernel.org/r/20201007035108.31078-4-david.e.box@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-10-07platform/x86: intel_pmc_core: Add Intel RocketLake (RKL) supportGayatri Kammela
Add RocketLake to the list of the platforms that intel_pmc_core driver supports for pmc_core device. RocketLake reuses all the TigerLake PCH IPs. Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: David E. Box <david.e.box@intel.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Rui Zhang <rui.zhang@intel.com> Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com> Signed-off-by: David E. Box <david.e.box@linux.intel.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com> Link: https://lore.kernel.org/r/20201007035108.31078-3-david.e.box@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-10-07platform/x86: intel_pmc_core: Clean up: Remove the duplicate comments and ↵Gayatri Kammela
reorganize Some of the Cannon Lake PCH IPs are reused by most of the platforms such as Ice Lake, Tiger Lake, Elkhart Lake, Jasper Lake and can be reused by future platforms as well. The same was mentioned via comments not once but twice in an array of bit map structs for Cannon Lake (cnp_pfear_map). Hence, remove the duplicate comments and reorganize them. Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: David E. Box <david.e.box@intel.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Rui Zhang <rui.zhang@intel.com> Suggested-by: Dave Hansen <dave.hansen@linux.intel.com> Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com> Signed-off-by: David E. Box <david.e.box@linux.intel.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com> Link: https://lore.kernel.org/r/20201007035108.31078-2-david.e.box@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-10-07platform/x86: intel_pmc_core: Fix the slp_s0 counter displayed valueGayatri Kammela
slp_s0 counter value displayed via debugfs interface is calculated by multiplying the granularity for crystal oscillator tick as 100us with the value read from using slp_s0 offset. But the granularity of the tick varies from platform to platform and it needs to be fixed. Hence, specify granularity of the tick for each platform, so that the value of the slp_s0 counter is accurate. Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com> Signed-off-by: David E. Box <david.e.box@linux.intel.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20201006224702.12697-4-david.e.box@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-10-07platform/x86: intel_pmc_core: Fix TigerLake power gating status mapGayatri Kammela
TigerLake's LPM power gating status register has errors in the bit-to-name mapping as well as with the marked reserved bits according to the actual implementation. Hence, update the right bit-to-name mapping and the reserved bits in accordance with actual implementation. Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: David E. Box <david.e.box@intel.com> Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com> Signed-off-by: David E. Box <david.e.box@linux.intel.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20201006224702.12697-3-david.e.box@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-10-07platform/x86: pmc_core: Use descriptive names for LPM registersDavid E. Box
TigerLake Lower Power Mode (LPM) registers are grouped by functionality but were given simple enumerated names in the code (lpm0, lpm1, ...). Instead, give the register blocks names that describe their usage. Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: David E. Box <david.e.box@linux.intel.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20201006224702.12697-2-david.e.box@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-10-07drm/amdgpu/swsmu: fix ARC build errorsAlex Deucher
We want to use the dev_* functions here rather than the pr_* variants. Switch to using dev_warn() which mirrors what we do on other asics. Fixes the following build errors on ARC: ../drivers/gpu/drm/amd/amdgpu/../powerplay/navi10_ppt.c: In function 'navi10_fill_i2c_req': ../arch/arc/include/asm/bug.h:24:2: error: implicit declaration of function 'pr_warn'; did you mean 'drm_warn'? [-Werror=implicit-function-declaration] ../drivers/gpu/drm/amd/amdgpu/../powerplay/sienna_cichlid_ppt.c: In function 'sienna_cichlid_fill_i2c_req': ../arch/arc/include/asm/bug.h:24:2: error: implicit declaration of function 'pr_warn'; did you mean 'drm_warn'? [-Werror=implicit-function-declaration] Reported-by: kernel test robot <lkp@intel.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Evan Quan <evan.quan@amd.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: linux-snps-arc@lists.infradead.org Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-10-07drm/amdgpu: fix NULL pointer dereference for RenoirDirk Gouders
Commit c1cf79ca5ced46 ("drm/amdgpu: use IP discovery table for renoir") introduced a NULL pointer dereference when booting with amdgpu.discovery=0, because it removed the call of vega10_reg_base_init() for that case. Fix this by calling that funcion if amdgpu_discovery == 0 in addition to the case that amdgpu_discovery_reg_base_init() failed. Fixes: c1cf79ca5ced46 ("drm/amdgpu: use IP discovery table for renoir") Signed-off-by: Dirk Gouders <dirk@gouders.net> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Cc: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-10-07tools/power/x86/intel-speed-select: Update version for v5.10Srinivas Pandruvada
Update version for changes released with v5.10 kernel release. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-10-07tools/power/x86/intel-speed-select: Fix missing base-freq core IDsJonathan Doman
The reported base-freq high-priority-cpu-list was potentially omitting some cpus, due to incorrectly using a logical core count to constrain the size of a physical punit core ID mask. We may need to read both high and low PBF CORE_MASK values regardless of the logical core count. Signed-off-by: Jonathan Doman <jonathan.doman@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-10-07Revert "gpu/drm: ingenic: Add option to mmap GEM buffers cached"Paul Cercueil
This reverts commit 37054fc81443 ("gpu/drm: ingenic: Add option to mmap GEM buffers cached") At the very moment this commit was created, the DMA API it relied on was modified in the DMA tree, which caused the driver to break in linux-next. Revert it for now, and it will be resubmitted later to work with the new DMA API. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20201004141758.1013317-1-paul@crapouillou.net
2020-10-07io_uring: batch account ->req_issue and task struct referencesJens Axboe
Identical to how we handle the ctx reference counts, increase by the batch we're expecting to submit, and handle any slow path residual, if any. The request alloc-and-issue path is very hot, and this makes a noticeable difference by avoiding an two atomic incs for each individual request. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-10-07dt-bindings: Explicitly allow additional properties in common schemasRob Herring
In order to add meta-schema checks for additional/unevaluatedProperties being present, all schema need to make this explicit. As common/shared schema are included by other schemas, they should always allow for additionalProperties. Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Sebastian Reichel <sre@kernel.org> Acked-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-By: Vinod Koul <vkoul@kernel.org> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20201005183830.486085-5-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2020-10-07dt-bindings: Use 'additionalProperties' instead of 'unevaluatedProperties'Rob Herring
In cases where we don't reference another schema, 'additionalProperties' can be used instead. This is preferred for now as 'unevaluatedProperties' support isn't implemented yet. In a few cases, this means adding some missing property definitions of which most are for SPI bus properties. 'unevaluatedProperties' is not going to work for the SPI bus properties anyways as they are evaluated from the parent node, not the SPI child node. Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20201005183830.486085-3-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2020-10-07dt-bindings: Add missing 'unevaluatedProperties'Rob Herring
This doesn't yet do anything in the tools, but make it explicit so we can check either 'unevaluatedProperties' or 'additionalProperties' is present in schemas. 'unevaluatedProperties' is appropriate when including another schema (via '$ref') and all possible properties and/or child nodes are not explicitly listed in the schema with the '$ref'. This is in preparation to add a meta-schema to check for missing 'unevaluatedProperties' or 'additionalProperties'. This has been a constant source of review issues. Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Wolfram Sang <wsa@kernel.org> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-By: Vinod Koul <vkoul@kernel.org> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Link: https://lore.kernel.org/r/20201005183830.486085-2-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2020-10-07locking/atomics: Check atomic-arch-fallback.h tooPaul Bolle
The sha1sum of include/linux/atomic-arch-fallback.h isn't checked by check-atomics.sh. It's not clear why it's skipped so let's check it too. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lkml.kernel.org/r/20201001202028.1048418-1-pebolle@tiscali.nl
2020-10-07locking/seqlock: Tweak DEFINE_SEQLOCK() kernel docSebastian Andrzej Siewior
ctags creates a warning: |ctags: Warning: include/linux/seqlock.h:738: null expansion of name pattern "\2" The DEFINE_SEQLOCK() macro is passed to ctags and being told to expect an argument. Add a dummy argument to keep ctags quiet. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Will Deacon <will@kernel.org> Link: https://lkml.kernel.org/r/20200924154851.skmswuyj322yuz4g@linutronix.de
2020-10-07Docs: Fixing spelling errors in Documentation/devicetree/bindings/Marlon Rac Cambasis
Revised patch fixing six spelling errors within Documentation/devicetree/bindings/. "specfied" replaced with "specified" in all three files modified. "atleast" seperated into "at least" three times in samsung-pinctrl.txt. This should remove any confusion that a reader might have. Signed-off-by: Marlon Rac Cambasis <marlonrc08@gmail.com> Link: https://lore.kernel.org/r/20201007071705.GA11381@marlonpc-debian Signed-off-by: Rob Herring <robh@kernel.org>
2020-10-07x86/asm: Add an enqcmds() wrapper for the ENQCMDS instructionDave Jiang
Currently, the MOVDIR64B instruction is used to atomically submit 64-byte work descriptors to devices. Although it can encounter errors like device queue full, command not accepted, device not ready, etc when writing to a device MMIO, MOVDIR64B can not report back on errors from the device itself. This means that MOVDIR64B users need to separately interact with a device to see if a descriptor was successfully queued, which slows down device interactions. ENQCMD and ENQCMDS also atomically submit 64-byte work descriptors to devices. But, they *can* report back errors directly from the device, such as if the device was busy, or device not enabled or does not support the command. This immediate feedback from the submission instruction itself reduces the number of interactions with the device and can greatly increase efficiency. ENQCMD can be used at any privilege level, but can effectively only submit work on behalf of the current process. ENQCMDS is a ring0-only instruction and can explicitly specify a process context instead of being tied to the current process or needing to reprogram the IA32_PASID MSR. Use ENQCMDS for work submission within the kernel because a Process Address ID (PASID) is setup to translate the kernel virtual address space. This PASID is provided to ENQCMDS from the descriptor structure submitted to the device and not retrieved from IA32_PASID MSR, which is setup for the current user address space. See Intel Software Developer’s Manual for more information on the instructions. [ bp: - Make operand constraints like movdir64b() because both insns are basically doing the same thing, more or less. - Fixup comments and cleanup. ] Link: https://lkml.kernel.org/r/20200924180041.34056-3-dave.jiang@intel.com Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Tony Luck <tony.luck@intel.com> Link: https://lkml.kernel.org/r/20201005151126.657029-3-dave.jiang@intel.com
2020-10-07x86/asm: Carve out a generic movdir64b() helper for general usageDave Jiang
Carve out the MOVDIR64B inline asm primitive into a generic helper so that it can be used by other functions. Move it to special_insns.h and have iosubmit_cmds512() call it. [ bp: Massage commit message. ] Suggested-by: Michael Matz <matz@suse.de> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Tony Luck <tony.luck@intel.com> Reviewed-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20201005151126.657029-2-dave.jiang@intel.com
2020-10-07ALSA: bebob: potential info leak in hwdep_read()Dan Carpenter
The "count" variable needs to be capped on every path so that we don't copy too much information to the user. Fixes: 618eabeae711 ("ALSA: bebob: Add hwdep interface") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20201007074928.GA2529578@mwanda Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-10-07ALSA: hda/realtek: Enable audio jacks of ASUS D700SA with ALC887Jian-Hong Pan
The ASUS D700SA desktop's audio (1043:2390) with ALC887 cannot detect the headset microphone and another headphone jack until ALC887_FIXUP_ASUS_HMIC and ALC887_FIXUP_ASUS_AUDIO quirks are applied. The NID 0x15 maps as the headset microphone and NID 0x19 maps as another headphone jack. Also need the function like alc887_fixup_asus_jack to enable the audio jacks. Signed-off-by: Jian-Hong Pan <jhp@endlessos.org> Signed-off-by: Kailang Yang <kailang@realtek.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20201007052224.22611-1-jhp@endlessos.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-10-07cpufreq: stats: Add memory barrier to store_reset()Rafael J. Wysocki
There is nothing to prevent the CPU or the compiler from reordering the writes to stats->reset_time and stats->reset_pending in store_reset(), in which case the readers of stats->reset_time may see a stale value. Moreover, on 32-bit arches the write to reset_time cannot be completed in one go, so the readers of it may see a partially updated value in that case. To prevent that from happening, add a write memory barrier between the writes to stats->reset_time and stats->reset_pending in store_reset() and corresponding read memory barrier in the readers of stats->reset_time. Fixes: 40c3bd4cfa6f ("cpufreq: stats: Defer stats update to cpufreq_stats_record_transition()") Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
2020-10-07cpufreq: schedutil: Simplify sugov_fast_switch()Rafael J. Wysocki
Drop a redundant local variable definition from sugov_fast_switch() and rearrange the code in there to avoid the redundant logical negation. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
2020-10-07Merge tag 'nvme-5.9-2020-10-07' of git://git.infradead.org/nvme into block-5.9Jens Axboe
Pull NVMe fix from Christoph: "nvme fix for 5.9: - fix a recently introduced controller leak (Logan Gunthorpe)" * tag 'nvme-5.9-2020-10-07' of git://git.infradead.org/nvme: nvme-core: put ctrl ref when module ref get fail
2020-10-07block: soft limit zone-append sectors as wellJohannes Thumshirn
Martin rightfully noted that for normal filesystem IO we have soft limits in place, to prevent them from getting too big and not lead to unpredictable latencies. For zone append we only have the hardware limit in place. Cap the max sectors we submit via zone-append to the maximal number of sectors if the second limit is lower. Reported-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Link: https://lore.kernel.org/linux-btrfs/yq1k0w8g3rw.fsf@ca-mkp.ca.oracle.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-10-07platform/x86: hp-wmi: add support for thermal policyElia Devito
HP Spectre notebooks (and probably other model as well) support up to 4 thermal policy: - HP Recommended - Performance - Cool - Quiet at least on HP Spectre x360 Convertible 15-df0xxx the firmware sets the thermal policy to default but hardcode the odvp0 variable to 1, this causes thermald to choose the wrong DPTF profile witch result in low performance when notebook is on AC, calling thermal policy write command allow firmware to correctly set the odvp0 variable. Signed-off-by: Elia Devito <eliadevito@gmail.com> Link: https://lore.kernel.org/r/20201004211305.11628-1-eliadevito@gmail.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-10-07partitions/ibm: fix non-DASD devicesChristoph Hellwig
Don't error out if the dasd_biodasdinfo symbol is not available. Cc: stable@vger.kernel.org Fixes: 26d7e28e3820 ("s390/dasd: remove ioctl_by_bdev calls") Reported-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Stefan Haberland <sth@linux.ibm.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-10-07samples: configfs: prefer pr_err() over bare printk(KERN_ERRBartosz Golaszewski
pr_*() printing helpers are preferred over using bare printk(). Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2020-10-07samples: configfs: don't use spaces before tabsBartosz Golaszewski
The copyright notice alarms checkpatch.pl of usin spaces before tabs. Fix this. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2020-10-07samples: configfs: consolidate local variables of the same typeBartosz Golaszewski
Move local variables of the same type into a single line for better readability. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2020-10-07samples: configfs: don't reinitialize variables which are already zeroedBartosz Golaszewski
The structure containing the storeme field is allocated using kzalloc(). There's no need to set it to 0 again. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2020-10-07samples: configfs: replace simple_strtoul() with kstrtoint()Bartosz Golaszewski
simple_strtoul() is deprecated. Use kstrtoint(). Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2020-10-07samples: configfs: fix alignment in item structBartosz Golaszewski
Aling the assignment of a static structure's field to be consistent with all other instances. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2020-10-07samples: configfs: drop unnecessary ternary operatorsBartosz Golaszewski
Checking pointers for NULL value before passing them to container_of() is pointless because even if we return NULL from the ternary operator, none of the users checks the returned value but they instead dereference it unconditionally. AFAICT this cannot really happen either. Simplify the code by removing the ternary operators from to_childless() et al. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2020-10-07samples: configfs: remove redundant newlinesBartosz Golaszewski
There's no need for suplemental newlines in the source file - especially since the examples are well divided with comments already. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2020-10-07MAINTAINERS: add the sample directory to the configfs entryBartosz Golaszewski
Code samples for configfs don't have an explicit maintainer. Add the samples directory to the existing configfs entry in MAINTAINERS. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2020-10-07pinctrl: amd: Add missing pins to the pin group listShyam Sundar S K
Some of the pins were not exposed in the initial driver or kept as reserved. Exposing all of them now. Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Link: https://lore.kernel.org/r/20201007111220.744348-1-Shyam-sundar.S-k@amd.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-10-07Merge branch 'for-next/late-arrivals' into for-next/coreWill Deacon
Late patches for 5.10: MTE selftests, minor KCSAN preparation and removal of some unused prototypes. (Amit Daniel Kachhap and others) * for-next/late-arrivals: arm64: random: Remove no longer needed prototypes arm64: initialize per-cpu offsets earlier kselftest/arm64: Check mte tagged user address in kernel kselftest/arm64: Verify KSM page merge for MTE pages kselftest/arm64: Verify all different mmap MTE options kselftest/arm64: Check forked child mte memory accessibility kselftest/arm64: Verify mte tag inclusion via prctl kselftest/arm64: Add utilities and a test to validate mte memory
2020-10-07arm64: random: Remove no longer needed prototypesAndre Przywara
Commit 9bceb80b3cc4 ("arm64: kaslr: Use standard early random function") removed the direct calls of the __arm64_rndr() and __early_cpu_has_rndr() functions, but left the dummy prototypes in the #else branch of the #ifdef CONFIG_ARCH_RANDOM guard. Remove the redundant prototypes, as they have no users outside of this header file. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20201006194453.36519-1-andre.przywara@arm.com Signed-off-by: Will Deacon <will@kernel.org>
2020-10-07ASoC: mchp-spdifrx: fix spelling mistake "overrrun" -> "overrun"Colin Ian King
There is a spelling mistake in a dev_warn message. Fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com> Link: https://lore.kernel.org/r/20201006152024.542418-1-colin.king@canonical.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-10-07dt-bindings: staging: wfx: silabs,wfx yaml conversionJérôme Pouiller
The device can be connected on SPI or on SDIO. The original file described the two options separately. So, most of the file had to be rewritten in order to match with the Yaml requirements. Some device requirements are still written in the comments since they cannot been expressed with the current scheme (e.g. reg must be set to 1 with SDIO, interrupt is mandatory with SPI, reset-gpio in SPI is replaced by mmc-pwrseq in SDIO, etc...). The examples provided have also been reworked in order to make dt_binding_check happy. Finally, also fix typo in the name of the file (siliabs instead of silabs) Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20201007101943.749898-7-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-07staging: wfx: update copyrights datesJérôme Pouiller
Most of the files have been modified in 2020, so update the copyright notices. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20201007101943.749898-6-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-07staging: wfx: fix QoS priority for slow busesJérôme Pouiller
The device is in charge of respecting the QoS constraints. The driver have to ensure that all the queues contain data and the device choose the right queue to send. The things starts to be more difficult when the bandwidth of the bus is lower than the bandwidth of the WiFi. The device quickly sends the frames of the highest priority queue. Then, it starts to send frames from a lower priority queue. Though, there are still some high priority frames waiting in the driver. To work around this problem, this patch add some priorities to each queue. The weigh of the queue was (roughly) calculated experimentally by checking the speed ratio of each queue when the bus does not limit the traffic: - Be/Bk -> 20Mbps/10Mbps - Vi/Be -> 36Mbps/180Kbps - Vo/Be -> 35Mbps/600Kbps - Vi/Vo -> 24Mbps/12Mbps So, if we fix the weigh of the Background to 1, the weight of Best Effort should be 2. The weight of Video should be 116. However, since there is only 32 queues, it make no sense to use a value greater than 64[1]. And finally, the weight of the Voice is set to 128. [1] Because of this approximation, with very slow bus, we can still observe frame starvation when we measure the speed ratio of Vi/Be. It is around 35Mbps/1Mbps (instead of 36Mbps/180Kbps). However, it is still in accepted error range. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20201007101943.749898-5-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-07staging: wfx: fix BA sessions for older firmwaresJérôme Pouiller
Firmwares with API < 3.6 do not forward DELBA requests. Thus, when a Block Ack session is restarted, the reordering buffer is not flushed and the received sequence number is not contiguous. Therefore, mac80211 starts to wait some missing frames that it will never receive. This patch disables the reordering buffer for old firmware. It is harmless when the network is unencrypted. When the network is encrypted, the non-contiguous frames will be thrown away by the TKIP/CCMP replay protection. So, the user will observe some packet loss with UDP and performance drop with TCP. Fixes: e5da5fbd7741 ("staging: wfx: fix CCMP/TKIP replay protection") Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20201007101943.749898-4-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-07staging: wfx: remove remaining code of 'secure link' featureJérôme Pouiller
Commit e8d607ce0c81 ("staging: wfx: drop 'secure link' feature") had removed the 'secure link' feature. However, a few lines of codes were yet here. Fixes: e8d607ce0c81 ("staging: wfx: drop 'secure link' feature") Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20201007101943.749898-3-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-07staging: wfx: fix handling of MMIC errorJérôme Pouiller
As expected, when the device detect a MMIC error, it returns a specific status. However, it also strip IV from the frame (don't ask me why). So, with the current code, mac80211 detects a corrupted frame and it drops it before it handle the MMIC error. The expected behavior would be to detect MMIC error then to renegotiate the EAP session. So, this patch correctly informs mac80211 that IV is not available. So, mac80211 correctly takes into account the MMIC error. Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> Link: https://lore.kernel.org/r/20201007101943.749898-2-Jerome.Pouiller@silabs.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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