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2018-12-11drm/msm/gpu: Add per-submission statisticsJordan Crouse
Add infrastructure to track statistics for GPU submissions by sampling certain perfcounters before and after a submission. To store the statistics, the per-ring memptrs region is expanded to include room for up to 64 entries - this should cover a reasonable amount of inflight submissions without worrying about losing data. The target specific code inserts PM4 commands to sample the counters before and after submission and store them in the data region. The CPU can access the data after the submission retires to make sense of the statistics and communicate them to the user. Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm: Gracefully handle failure in _msm_gem_kernel_newJordan Crouse
If any of the function calls in _msm_gem_kernel_new fail we need to make sure to dereference the GEM object with the appropriate function for the current locking state. Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm/gpu: Allocate the correct size for the GPU memptrsJordan Crouse
Allocate the correct buffer size for the GPU memptrs. The incorrect size hasn't affected us thus far since the incorrect size was larger than the intended size and we're still stuck on page sized granularity anyway but technically correct is the best kind of correct. Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm: update generated headersRob Clark
Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm/dpu: set geometry for iommu domainJeykumar Sankaran
Specify geometry for DPU iommu domain which sets the address space for gem allocations. Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org> Suggested-by: Jordan Crouse <jcrouse@codeaurora.org> Suggested-by: Vivek Gautam <vivek.gautam@codeaurora.org> Acked-by: Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm: msm: Use DRM_DEV_* instead of dev_*Mamta Shukla
Use DRM_DEV_INFO/ERROR/WARN instead of dev_info/err/debug to generate drm-formatted specific log messages so that it will be easy to differentiate in case of multiple instances of driver. Signed-off-by: Mamta Shukla <mamtashukla555@gmail.com> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm: dpu: Remove checks from dpu_plane_destroy_state()Sean Paul
They're not needed. Reviewed-by: Jeykumar Sankaran <jsanka@codeaurora.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm: dpu: Clean up _dpu_core_video_mode_intf_connected()Sean Paul
Local variable is not needed and condition can't be hit. Reviewed-by: Jeykumar Sankaran <jsanka@codeaurora.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm: dpu: Remove empty/useless labelsSean Paul
I noticed an empty label while driving by and decided to use coccinelle to see if there were any more. Here's the spatch and the invocation: --- @@ identifier lbl; expression E; @@ - goto lbl; + return E; ... - lbl: return E; @@ identifier lbl; @@ - goto lbl; + return; ... - lbl: - return; --- spatch --allow-inconsistent-paths --sp-file file.spatch --dir drivers/gpu/drm/msm/disp/dpu1 --in-place --- Reviewed-by: Jeykumar Sankaran <jsanka@codeaurora.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm: dpu: Remove 'inline' from several functionsSean Paul
Per chapter 15 of coding-style, removing 'inline' keyword from functions that are larger than a typical macro. In a couple of cases I've simplified the function and kept the inline. Reviewed-by: Jeykumar Sankaran <jsanka@codeaurora.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm: dpu: Remove _dpu_encoder_power_enable()Sean Paul
It's unused, remove it. Reviewed-by: Jeykumar Sankaran <jsanka@codeaurora.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm: dpu: Remove unused functions from msm_media_info.hSean Paul
These functions aren't used anywhere, remove them. Reviewed-by: Jeykumar Sankaran <jsanka@codeaurora.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm: Remove dpu_encoder_phys_ops->hw_reset()Sean Paul
We call out of the virt encoder into phys only to call back into the virt for hw reset. So remove the indirection and just call the virt function directly. Reviewed-by: Jeykumar Sankaran <jsanka@codeaurora.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm/dpu: Replace dpu_crtc_reset by atomic helperBruce Wang
Since we removed all suspend logic from the crtc code (see patch 3/4), dpu_crtc_reset does the same things as drm_atomic_helper_crtc_reset, so let's just replace it with a call to the atomic helper. v3: added patch to patchset Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Bruce Wang <bzwang@chromium.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm/dpu: Remove suspend state tracking from crtcBruce Wang
Since drm core's modeset locks serialize atomic commits, we don't need to track whether or not we're in a suspended state from inside the crtc for dpu_crtc_enable/disable. This patch removes the suspend logic from the crtc and removes the relevant tracing from dpu_trace. Since we removed all calls to dpu_kms_is_suspend_state, we can remove that function and the suspend_state field of dpu_kms as well. v2: added patch to patchset v3: reworded commit body and moved deletion of dpu_kms_is_suspend_state and suspend_state to this patch Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Bruce Wang <bzwang@chromium.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm: Cut dpu_kms hooks from msm_pm_suspend/resumeBruce Wang
Removes the traces of the non-atomic helper calls in msm_pm_suspend/resume since we just deleted those functions (see patch 1). Also removes the drm_kms_helper_poll_disable/enable calls, since the DRM_CONNECTOR_POLL_CONNECT flag is never set so periodic polling doesn't happen anyways. v2: reorganized patch order v3: made error checks less severe Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Bruce Wang <bzwang@chromium.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm/dpu: Remove dpu_kms_pm_suspend/resumeBruce Wang
PM resume was crashing during dpu_kms_pm_resume. This patch removes dpu_kms_pm_suspend/resume so that msm_pm_suspend/resume uses the atomic helpers instead (see next patch). This patch also removes dpu_kms_is_suspend_blocked since it is never called. v2: Reorganized patches in patchset Signed-off-by: Bruce Wang <bzwang@chromium.org> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11drm/msm: dpu: Add tracing around CTL_FLUSHSean Paul
I found these tracepoints useful for debugging cursor/ctl, someone else might find them useful too Reviewed-by: Jeykumar Sankaran <jsanka@codeaurora.org> Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2018-12-11ceph: make 'nocopyfrom' a default mount optionLuis Henriques
Since we found a problem with the 'copy-from' operation after objects have been truncated, offloading object copies to OSDs should be discouraged until the issue is fixed. Thus, this patch adds the 'nocopyfrom' mount option to the default mount options which effectily means that remote copies won't be done in copy_file_range unless they are explicitly enabled at mount time. [ Adjust ceph_show_options() accordingly. ] Link: https://tracker.ceph.com/issues/37378 Signed-off-by: Luis Henriques <lhenriques@suse.com> Reviewed-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2018-12-11drm/amdgpu: Fix DEBUG_LOCKS_WARN_ON(depth <= 0) in amdgpu_ctx.lockAndrey Grodzovsky
If CS is submitted using guilty ctx, we terminate amdgpu_cs_parser_init before locking ctx->lock, latter in amdgpu_cs_parser_fini we still are trying to release the lock just becase parser->ctx != NULL. Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-12-11drm: Fix docs warning in drm_damage_helper.cDeepak Rawat
Modify description to match actual argument list. Signed-off-by: Deepak Rawat <drawat@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
2018-12-11drm/selftest: fix spelling mistake "dimention" -> "dimension"Colin Ian King
There is a spelling mistake in a pr_err message, fix this. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
2018-12-11Revert "drm/rockchip: Allow driver to be shutdown on reboot/kexec"Brian Norris
This reverts commit 7f3ef5dedb146e3d5063b6845781ad1bb59b92b5. It causes new warnings [1] on shutdown when running the Google Kevin or Scarlet (RK3399) boards under Chrome OS. Presumably our usage of DRM is different than what Marc and Heiko test. We're looking at a different approach (e.g., [2]) to replace this, but IMO the revert should be taken first, as it already propagated to -stable. [1] Report here: http://lkml.kernel.org/lkml/20181205030127.GA200921@google.com WARNING: CPU: 4 PID: 2035 at drivers/gpu/drm/drm_mode_config.c:477 drm_mode_config_cleanup+0x1c4/0x294 ... Call trace: drm_mode_config_cleanup+0x1c4/0x294 rockchip_drm_unbind+0x4c/0x8c component_master_del+0x88/0xb8 rockchip_drm_platform_remove+0x2c/0x44 rockchip_drm_platform_shutdown+0x20/0x2c platform_drv_shutdown+0x2c/0x38 device_shutdown+0x164/0x1b8 kernel_restart_prepare+0x40/0x48 kernel_restart+0x20/0x68 ... Memory manager not clean during takedown. WARNING: CPU: 4 PID: 2035 at drivers/gpu/drm/drm_mm.c:950 drm_mm_takedown+0x34/0x44 ... drm_mm_takedown+0x34/0x44 rockchip_drm_unbind+0x64/0x8c component_master_del+0x88/0xb8 rockchip_drm_platform_remove+0x2c/0x44 rockchip_drm_platform_shutdown+0x20/0x2c platform_drv_shutdown+0x2c/0x38 device_shutdown+0x164/0x1b8 kernel_restart_prepare+0x40/0x48 kernel_restart+0x20/0x68 ... [2] https://patchwork.kernel.org/patch/10556151/ https://www.spinics.net/lists/linux-rockchip/msg21342.html [PATCH] drm/rockchip: shutdown drm subsystem on shutdown Fixes: 7f3ef5dedb14 ("drm/rockchip: Allow driver to be shutdown on reboot/kexec") Cc: Jeffy Chen <jeffy.chen@rock-chips.com> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Vicente Bergas <vicencb@gmail.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Heiko Stuebner <heiko@sntech.de> Cc: stable@vger.kernel.org Signed-off-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20181205181657.177703-1-briannorris@chromium.org
2018-12-11ALSA: fireface: add support for Fireface 800 with MIDI functionality onlyTakashi Sakamoto
Fireface 800 is a flagship model of RME GmbH for audio and music units on IEEE 1394 bus, shipped 2004. This model consists of four chips: - TI TSB81BA3D for physical layer on cable environment of EEE 1394 bus - TI TSB82AA2 for link layer for 1394 OHCI bus bridge to PCI bus - Xilinx Spartan-3 FPGA XC3S400 - Xilinx High-Performance CPLD XC9572XL This commit adds support Fireface 800. In this time, the support is restricted to its MIDI functionality, thus this commit adds some condition statements to avoid touching streaming functionality. Unlike Fireface 400, Fireface 800 has no functionality to suppress asynchronous transactions for MIDI messages except for unregister of listen address in controller side, thus the feature is available as is. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-12-11ALSA: fireface: localize a handler for MIDI messages on tx transactionTakashi Sakamoto
Content of asynchronous transaction for MIDI messages differs between Fireface 400 and 800. This commit adds a model-specific handler for the transaction and adds arrangement. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-12-11ALSA: fireface: add driver data for register for MIDI high addressTakashi Sakamoto
Fireface 400 and 800 have the same mechanism to decide address to which asynchronous transactions are sent for MIDI messages, however they use different registers for controllers to notify higher 4 byte of the address. This commit adds a model-specific parameter to represent the address. Additionally, it corrects some comments. I note that these two models have a difference to enable/disable the transaction. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-12-11ALSA: fireface: share register for async transaction of MIDI messagesTakashi Sakamoto
As long as investigating packet dumps from Fireface 400/800, a register to receive asynchronous transactions for MIDI messages is the same. For Fireface 800, minor register is used. This commit declares macros for the transactions and obsoletes model-specific parameters. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-12-11ALSA: fireface: add support for second optical interface for ADAT streamTakashi Sakamoto
Unlike Fireface 400, Fireface 800 have two pair of optical interface for ADAT signal and S/PDIF signal. ADAT signals for the interface are handled for sampling clock source separately. This commit modifies a parser for clock configuration to distinguish these two ADAT signals. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-12-11ALSA: fireface: share helper function to get current sampling rate and clock ↵Takashi Sakamoto
source As long as investigating packet dumps from Fireface 400/800, bits on status registers for clock synchronization are the same. This commit moves a parser for a register of clock configuration to obsolete model-specific operations. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-12-11ALSA: fireface: share status and configuration dumpTakashi Sakamoto
As long as investigating packet dumps from Fireface 400/800, bits on status registers for clock synchronization are the same. This commit moves a parser for the registers to obsolete model-specific operations. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-12-11ALSA: fireface: share some registers for status of clock synchronizationTakashi Sakamoto
As long as investigating packet dumps from Fireface 400/800, status registers for clock synchronization is common. This commit moves some macros for them to header file. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-12-11EDAC, i5000: Remove set but not used local variablesYueHaibing
Remove unused local variables as reported by gcc's -Wunused-but-set-variable option. [ bp: simplify commit message. ] Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: linux-edac <linux-edac@vger.kernel.org> Link: https://lkml.kernel.org/r/20181211095207.25936-1-yuehaibing@huawei.com
2018-12-11uio_hv_generic: set callbacks on openStephen Hemminger
This fixes the problem where uio application was unable to use multple queues on restart. The root cause is that the callbacks are cleared on disconnect. Change to setting up callbacks everytime in open. Fixes: cdfa835c6e5e ("uio_hv_generic: defer opening vmbus until first use") Reported-by: Mohammed Gamal <mgamal@redhat.com> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-11ASoC: simple-scu-card: care multi DPCM codec_confKuninori Morimoto
Current simple-scu-card didn't care about codec_conf for multi DPCM case. This patch cares it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-12-11ASoC: simple-scu-card: use cpu/codec pointer on graph_dai_propsKuninori Morimoto
In DPCM case, it uses CPU-dummy / dummy-Codec dai links, and non DPCM case, it uses CPU-Codec dai links. Now, we want to merge simple-card and simple-scu-card. These sound cards are using silimar but not same logic on each functions. Then, of course we want to share same logic. To compromise, this patch uses cpu/codec pointer on simple-scu-card. It is same logic with simple-card, thus easy merging. This is prepare for merging simple card Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-12-11ASoC: simple-scu-card: tidyup "convert-rate/channels" parsingKuninori Morimoto
simple-scu-card.c is supporting "convert-rate/channels" which is used for DPCM. But, sound card might have multi codecs, and each codec might need each convert-rate/channels. This patch supports each codec's convert-rate/channles support. top node convert-rate/channels will overwrite settings if exist. It can't support each codec's convert-rate/channels if sound card had multi codecs without this patch. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-12-11ASoC: simple-scu-card: care link / dai countKuninori Morimoto
In DPCM case, it uses CPU-dummy / dummy-Codec dai links. If sound card is caring only DPCM, link count = dai count, but, if non DPCM case, link count != dai count. Now, we want to merge simple-card and simple-scu-card, then, we need to care both link / dai count more carefly This patch cares it, and prepare for merging simple card Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-12-11ASoC: simple-scu-card: add dai-link supportKuninori Morimoto
simple-card is supporting dai-link support, but simple-scu-card doesn't have it. This patch support it. This is prepare for merging simple-card and simple-scu-card. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-12-11spi: imx: drop useless member speed_hz from driver data structUwe Kleine-König
The driver data's member variable just caches the transfer's speed_hz member. All users of the former now have access directly to the latter. So fix them to use the uncached value and remove the cache. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-12-11spi: imx: rename config callback and add useful parametersUwe Kleine-König
The config callback is called once per transfer while some things can (and should) be done on a per message manner. To have unambiguous naming in the end include "transfer" in the callback's name and rename the implementations accordingly. Also pass the driver struct and transfer which allows further simplifications in the following patch. There is no change in behavior intended here. Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-12-11spi: imx: style fixesUwe Kleine-König
This change fixes some random style issues that I noticed while debugging the driver: Remove some double spaces, use tabs for indention instead of spaces if possible, fix comment style. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-12-11spi: imx: mx51-ecspi: Move some initialisation to prepare_message hook.Uwe Kleine-König
The relevant difference between prepare_message and config is that the former is run before the CS signal is asserted. So the polarity of the CLK line must be configured in prepare_message as an edge generated by config might already result in a latch of the MOSI line. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-12-11spi: imx: add a device specific prepare_message callbackUwe Kleine-König
This is just preparatory work which allows to move some initialisation that currently is done in the per transfer hook .config to an earlier point in time in the next few patches. There is no change in behaviour introduced by this patch. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
2018-12-11arm64: dma-mapping: Fix FORCE_CONTIGUOUS buffer clearingRobin Murphy
We need to invalidate the caches *before* clearing the buffer via the non-cacheable alias, else in the worst case __dma_flush_area() may write back dirty lines over the top of our nice new zeros. Fixes: dd65a941f6ba ("arm64: dma-mapping: clear buffers allocated with FORCE_CONTIGUOUS flag") Cc: <stable@vger.kernel.org> # 4.18.x- Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2018-12-11OPP: Fix missing debugfs supply directory for OPPsViresh Kumar
There is one case where we may end up with no "supply" directory for the OPPs in debugfs. That happens when the OPP core isn't managing the regulators for the device and the device's OPP do have microvolt property. It happens because the opp_table->regulator_count remains set to 0 and the debugfs routines don't add any supply directory in such a case. This commit fixes that by setting opp_table->regulator_count to 1 in that particular case. But to make everything work nicely and not break other parts of the core, regulator_count is defined as "int" now instead of "unsigned int" and it can have different special values now. It is set to -1 initially to mark it "uninitialized" and later only we set it to 0 or positive values after checking how many supplies are there. This also helps in finding the bugs where only few of the OPPs have the "opp-microvolt" property set and not all. Fixes: 1fae788ed640 ("PM / OPP: Don't create debugfs "supply-0" directory unnecessarily") Reported-by: Quentin Perret <quentin.perret@arm.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
2018-12-11ACPI / APD: Add clock frequency for Hisilicon Hip08 SPI controllerJay Fang
The SPI clock frequency of Designware IP for Hisilicon Hip08 is 250M. The ACPI ID used is "HISI0173". Signed-off-by: Jay Fang <f.fangjian@huawei.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-12-11ACPI, APEI, EINJ: Change to use DEFINE_SHOW_ATTRIBUTE macroYangtao Li
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code. Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-12-11cpufreq: nforce2: Remove meaningless returnYangtao Li
Delete a line of meaningless return and some useless blank lines. In a function whose return type is void, returning on the last line is not required. Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-12-11cpufreq: ia64: Remove unused header filesYangtao Li
seq_file.h does not need to be included, so remove it. Moreover deleted a line of meaningless return and some useless blank lines. In a function whose return type is void, returning on the last line is not required. Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-12-11cpuidle: big.LITTLE: fix refcount leakYangtao Li
of_find_node_by_path() acquires a reference to the node returned by it and that reference needs to be dropped by its caller. bl_idle_init() doesn't do that, so fix it. Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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