It should have one and DTC is indeed unhappy about its absence:
<stdout>: Warning (unit_address_vs_reg): /soc/clocks: node has a reg or
ranges property, but no unit name
Link: https://lore.kernel.org/r/20191031163455.1711872-2-lkundrak@v3.sk
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Olof Johansson <olof@lixom.net>
Increase the max number of GPIOs from default 512 to 1024 for ASPEED
platforms, because Facebook Yamp (AST2500) BMC platform has total 594
GPIO pins (232 provided by ASPEED SoC, and 362 by I/O Expanders).
Link: https://lore.kernel.org/r/20191031014040.12898-1-rentao.bupt@gmail.com
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Add GPIO controllers for RDA8810PL SoC. There are 4 GPIO controllers
in this SoC with maximum of 32 gpios. Except GPIOC, all controllers
are capable of generating edge/level interrupts from first 8 lines.
Link: https://lore.kernel.org/r/20191030101154.6312-2-manivannan.sadhasivam@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
- enable ARM SMMUv3 PMU and hisi ZIP controller as module for
Kunpeng920 SoC
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Merge tag 'hisi-arm64-defconfig-for-5.5' of git://github.com/hisilicon/linux-hisi into arm/defconfig
ARM64: hisilicon: defconfig updates for 5.5
- enable ARM SMMUv3 PMU and hisi ZIP controller as module for
Kunpeng920 SoC
* tag 'hisi-arm64-defconfig-for-5.5' of git://github.com/hisilicon/linux-hisi:
arm64: defconfig: Enable SMMU v3 PMCG
arm64: defconfig: Enable HiSilicon ZIP controller
Link: https://lore.kernel.org/r/5DB95B1E.8060607@hisilicon.com
Signed-off-by: Olof Johansson <olof@lixom.net>
- drop the ARCH_MULTI_V7 dependency in the sub-menu of ARCH_HISI
since ARCH_HISI depends on ARCH_MULTI_V7
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Merge tag 'hisi-armv7-soc-for-5.5' of git://github.com/hisilicon/linux-hisi into arm/soc
ARM: mach-hisi: Hisilicon SoC updates for 5.5
- drop the ARCH_MULTI_V7 dependency in the sub-menu of ARCH_HISI
since ARCH_HISI depends on ARCH_MULTI_V7
* tag 'hisi-armv7-soc-for-5.5' of git://github.com/hisilicon/linux-hisi:
ARM: hisi: drop useless depend on ARCH_MULTI_V7
Link: https://lore.kernel.org/r/5DB9593D.9050904@hisilicon.com
Signed-off-by: Olof Johansson <olof@lixom.net>
Add RTD1293 and RTD1296 DTs. Add the watchdog for all of RTD129x DTs.
Add reset controllers for RTD129x and start using them for UARTs.
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Merge tag 'realtek-arm64-dt-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-realtek into arm/dt
Realtek ARM64 based SoC DT for v5.5
Add RTD1293 and RTD1296 DTs. Add the watchdog for all of RTD129x DTs.
Add reset controllers for RTD129x and start using them for UARTs.
* tag 'realtek-arm64-dt-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-realtek:
arm64: dts: realtek: Add RTD129x UART resets
arm64: dts: realtek: Add RTD129x reset controller nodes
dt-bindings: reset: Add Realtek RTD1295
arm64: dts: realtek: Add watchdog node for RTD129x
arm64: dts: realtek: Add oscillator for RTD129x
arm64: dts: realtek: Add RTD1296 and Synology DS418
dt-bindings: arm: realtek: Document RTD1296 and Synology DS418
arm64: dts: realtek: Add RTD1293 and Synology DS418j
arm64: dts: realtek: Change dual-license from MIT to BSD
dt-bindings: arm: realtek: Document RTD1293 and Synology DS418j
dt-bindings: arm: realtek: Tidy up conversion to json-schema
Link: https://lore.kernel.org/r/20191030041000.31848-2-afaerber@suse.de
Signed-off-by: Olof Johansson <olof@lixom.net>
Enable reset controllers and add a mailing list to MAINTAINERS.
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Merge tag 'realtek-arm64-soc-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-realtek into arm/soc
Realtek ARM64 based SoC for v5.5
Enable reset controllers and add a mailing list to MAINTAINERS.
* tag 'realtek-arm64-soc-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-realtek:
arm64: realtek: Select reset controller
MAINTAINERS: Add mailing list for Realtek SoCs
Link: https://lore.kernel.org/r/20191030041000.31848-1-afaerber@suse.de
Signed-off-by: Olof Johansson <olof@lixom.net>
* 'for_5.5/driver-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
memory: emif: remove set but not used variables 'cs1_used' and 'custom_configs'
soc: ti: omap-prm: fix return value check in omap_prm_probe()
soc: ti: omap-prm: add omap5 PRM data
soc: ti: omap-prm: add am4 PRM data
soc: ti: omap-prm: add dra7 PRM data
soc: ti: omap-prm: add data for am33xx
soc: ti: omap-prm: add omap4 PRM data
soc: ti: omap-prm: add support for denying idle for reset clockdomain
soc: ti: omap-prm: poll for reset complete during de-assert
soc: ti: add initial PRM driver with reset control support
dt-bindings: omap: add new binding for PRM instances
Link: https://lore.kernel.org/r/1572372856-20598-1-git-send-email-santosh.shilimkar@oracle.com
Signed-off-by: Olof Johansson <olof@lixom.net>
The following build warning is seen with W=1:
arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi:531.20-581.5: Warning (simple_bus_reg): /soc/tmu@1f00000: simple-bus unit address format error, expected "1f80000"
Fix it by adjusting the tmu unit address to match its reg entry.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Move thermal-zone node from the soc node to the root node.
thermal-zone node does not have any register properties and thus
shouldn't be placed on the bus.
This fixes the following build warnings with W=1:
arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi:583.17-612.5: Warning (simple_bus_reg): /soc/thermal-zones: missing or empty reg/ranges property
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The following build warning is seen with W=1:
arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts:196.10-208.4: Warning (avoid_unnecessary_addr_size): /soc/i2c@2000000/fpga@66: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
Fix it by removing the unnecessary #address-cells/#size-cells.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Machine compatible string normally is located in board DT, remove
the duplicated one from SoC dtsi.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Machine compatible string normally is located in board DT, remove
the duplicated one from SoC dtsi.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add remote control to i.MX8M EVK device tree.
The rc protocol must be selected by writing to:
/sys/devices/platform/ir-receiver/rc/rc0/protocols
On my tests, I used "nec" rc protocol:
echo nec > protocols
Tested using evetest:
evtest /dev/input/event0
Output log for each key pressed:
Event:
time 1568122608.267845, -------------- SYN_REPORT ------------
Event:
time 1568122610.503835, type 4 (EV_MSC), code 4 (MSC_SCAN), value 440
Signed-off-by: Rogerio Pimentel da Silva <rpimentel.silva@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The common ARM architecture code provides a generic function to exit
coherency called v7_exit_coherency_flush(). Replace the machine
specific implementation using the generic function.
Tested on a i.MX 6Dual by hotplugging the secondary CPU under load
through sysfs several 1000 times.
Tested-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
UAPI Changes:
- Make context persistence optional
Allow userspace to tie the context lifetime to FD lifetime,
effectively allowing Ctrl-C killing of a process to also clean
up the hardware immediately.
Compute changes: https://github.com/intel/compute-runtime/pull/228
The compute driver is shipping in Ubuntu. uAPI acked by Mesa folks.
- Put future HW and their uAPIs under STAGING & BROKEN
Introduces DRM_I915_UNSTABLE Kconfig menu for working on the new
uAPI for future HW in upstream. We already disable driver loading
by default the platform is deemed ready. This is a second level
of protection based on compile time switch (STAGING & BROKEN).
- Under DRM_I915_UNSTABLE: Add the fake lmem region on iGFX
Fake local memory region on integrated GPU through cmdline:
memmap=2G$16G i915.fake_lmem_start=0x400000000
Currently allows testing non-mappable GGTT behavior and running
kernel selftest for local memory.
Driver Changes:
- Fix Bugzilla #112084: VGA external monitor not working (Ville)
- Add support for half float framebuffers (Ville)
- Add perf support on TGL (Lionel)
- Replace hangcheck by heartbeats (Chris)
- Allow SPT PCH on all AML devices (James)
- Add new CNL PCH for CML platform (Imre)
- Allow 100 ms (Kconfig) for workloads to exit before reset (Chris, Jon, Joonas)
- Forcibly pre-empt a context after 100 ms (Kconfig) of delay (Chris)
- Make timeslice duration Kconfig configurable (Chris)
- Whitelist PS_(DEPTH|INVOCATION)_COUNT for Tigerlake (Tapani)
- Support creating LMEM objects in kernel (Matt A)
- Adjust the location of RING_MI_MODE in the context image for TGL (Chris)
- Handle AUX interrupts for TC ports (Matt R)
- Add support for devices without mappable GGTT aperture (Daniele)
- Rename "inject_load_failure" module parameter to "inject_probe_failure" (Janusz)
- Handle fused off HDCP, FBC, DMC and DSC (Jose)
- Add support to one DP-MST stream on Tigerlake (Lucas)
- Add HuC firmware (and GuC) for TGL (Daniele)
- Allow ICL+ DSI on any pipe (Ville)
- Check some transcoder timing minimum limits (Ville)
- Don't set queue_priority_hint if we don't kick the submission (Chris)
- Introduce barrier pulses along engines to flush idle/in-flight requests (Chris)
- Drop assertion that ce->pin_mutex guards state updates (Chris)
- Cancel banned contexts on schedule-out (Chris)
- Cancel contexts when hangchecking is disabled (Chris)
- Catch GTT fault errors for gen11+ planes (Matt R)
- Print in debugfs if PSR is not enabled because of sink (Jose)
- Do not set MOCS control values on dgfx (Lucas)
- Setup io-mapping for LMEM (Abdiel)
- Support kernel mapping of LMEM objects (Abdiel)
- Add LMEM selftests (Matt A)
- Initialise PMU spinlock before registering (Chris)
- Clear DKL_TX_PMD_LANE_SUS before program TC voltage swing (Jose)
- Flip interpretation of ips fmin/fmax to max rps (Chris)
- Add VBT compression parameter block definition (Jani)
- Limit the blitter sizes to ensure low preemption latency (Chris)
- Fixup block_size rounding on BLT (Matt A)
- Don't try to place HWS in non-existing mappable region (Michal Wa)
- Don't allocate the ring in stolen if we lack aperture (Matt A)
- Add AUX B & C to DC_OFF_POWER_DOMAINS for Tigerlake (Matt R)
- Avoid HPD poll detect triggering a new detect cycle (Imre)
- Document the userspace fail with possible_crtcs (Ville)
- Drop lrc header page now unused by GuC (Daniele)
- Do not switch aux to TBT mode for non-TC ports (Jose)
- Restructure code to avoid depending on i915 but smaller structs (Chris, Tvrtko, Andi)
- Remove pm park/unpark notifications (Chris)
- Avoid lockdep cross-contamination between object types (Chris)
- Restructure DSC code (Jani)
- Fix dead locking in early workload shadow (Zhenyu)
- Split the legacy submission backend from the common CS ring buffer (Chris)
- Move intel_engine_context_in/out into intel_lrc.c (Tvrtko)
- Describe perf/wakeref structure members in documentation (Anna)
- Update renamed header files names in documentation (Anna)
- Add debugs to distingiush a cd2x update from a full cdclk pll update (Ville)
- Rework atomic global state locking (Ville)
- Allow planes to declare their minimum acceptable cdclk (Ville)
- Eliminate skl_check_pipe_max_pixel_rate() and simplify skl_max_scale() (Ville)
- Making loglevel of PSR2/SU logs same (Ap)
- Capture aux page table error register (Lionel)
- Add is_dgfx to device info (Jose)
- Split gen11_irq_handler to make it shareable (Lucas)
- Encapsulate kconfig constant values inside boolean predicates (Chris)
- Split memory_region initialisation into its own file (Chris)
- Use _PICK() for CHICKEN_TRANS() and add CHICKEN_TRANS_D (Ville)
- Add perf helper macros for comparing with whitelisted registers (Umesh)
- Fix i915_inject_load_error() name to read *_probe_* (Janusz)
- Drop unused AUX register offsets (Matt R)
- Provide more information on DP AUX failures (Matt R)
- Add GAM/SFC instdone to error state (Mika)
- Always track callers to intel_rps_mark_interactive() (Chris)
- Nuke 'mode' argument to intel_get_load_detect_pipe() (Ville)
- Simplify LVDS crtc_mask and pipe_mask setup (Ville)
- Stop frobbing crtc->base.mode (Ville)
- Do s/crtc_mask/pipe_mask/ (Ville)
- Split detaching and removing the vma (Chris)
- Selftest improvements (Chris, Tvrtko, Mika, Matt A, Lionel)
- GuC code improvements (Rob, Andi, Daniele)
- Check against i915_selftest only under CONFIG_SELFTEST (Chris)
- Refine occupancy test in kill_context() (Chris)
- Start kthreads before stopping (Chris)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191101104718.GA14323@jlahtine-desk.ger.corp.intel.com
The bulk of these changes is the addition of DisplayPort support for
Tegra210, Tegra186 and Tegra194. I've been running versions of this for
about three years now, so I'd consider these changes to be pretty
mature. These changes also unify the existing eDP support with the DP
support since the programming is very similar, except for a few steps
that can be easily parameterized.
The rest are a couple of fixes all over the place for minor issues, as
well as some work to support the IOMMU-backed DMA API, which in the end
turned out to also clean up a number of cases where the DMA API was not
being used correctly.
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Merge tag 'drm/tegra/for-5.5-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
drm/tegra: Changes for v5.5-rc1
The bulk of these changes is the addition of DisplayPort support for
Tegra210, Tegra186 and Tegra194. I've been running versions of this for
about three years now, so I'd consider these changes to be pretty
mature. These changes also unify the existing eDP support with the DP
support since the programming is very similar, except for a few steps
that can be easily parameterized.
The rest are a couple of fixes all over the place for minor issues, as
well as some work to support the IOMMU-backed DMA API, which in the end
turned out to also clean up a number of cases where the DMA API was not
being used correctly.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191102140116.3860545-1-thierry.reding@gmail.com
UAPI Changes:
-dma-buf: Introduce and revert dma-buf heap (Andrew/John/Sean)
Cross-subsystem Changes:
- None
Core Changes:
-dma-buf: add dynamic mapping to allow exporters to choose dma_resv lock
state on mmap/munmap (Christian)
-vram: add prepare/cleanup fb helpers to vram helpers (Thomas)
-ttm: always keep bo's on the lru + ttm cleanups (Christian)
-sched: allow a free_job routine to sleep (Steven)
-fb_helper: remove unused drm_fb_helper_defio_init() (Thomas)
Driver Changes:
-bochs/hibmc/vboxvideo: Use new vram helpers for prepare/cleanup fb (Thomas)
-amdgpu: Implement dma-buf import/export without drm helpers (Christian)
-panfrost: Simplify devfreq integration in driver (Steven)
Cc: Christian König <christian.koenig@amd.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Steven Price <steven.price@arm.com>
Cc: Andrew F. Davis <afd@ti.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Sean Paul <seanpaul@chromium.org>
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Merge tag 'drm-misc-next-2019-10-31' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.5:
UAPI Changes:
-dma-buf: Introduce and revert dma-buf heap (Andrew/John/Sean)
Cross-subsystem Changes:
- None
Core Changes:
-dma-buf: add dynamic mapping to allow exporters to choose dma_resv lock
state on mmap/munmap (Christian)
-vram: add prepare/cleanup fb helpers to vram helpers (Thomas)
-ttm: always keep bo's on the lru + ttm cleanups (Christian)
-sched: allow a free_job routine to sleep (Steven)
-fb_helper: remove unused drm_fb_helper_defio_init() (Thomas)
Driver Changes:
-bochs/hibmc/vboxvideo: Use new vram helpers for prepare/cleanup fb (Thomas)
-amdgpu: Implement dma-buf import/export without drm helpers (Christian)
-panfrost: Simplify devfreq integration in driver (Steven)
Cc: Christian König <christian.koenig@amd.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Steven Price <steven.price@arm.com>
Cc: Andrew F. Davis <afd@ti.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20191031193015.GA243509@art_vandelay
This reverts commit 8f86a5b4ad.
It has been established that this causes a boot regression on
both Baytrail and Cherrytrail SoCs, and we can't have that in
the final kernel release, so we need to revert it.
Reported-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This reverts commit 6658f87f21.
This revert is a prerequisite for the later revert of commit
8f86a5b4ad.
Reported-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This reverts commit 4c87540940.
This revert is a prerequisite for the later revert of commit
8f86a5b4ad.
Reported-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
On SAM9X60, slewrate should be enabled on pins with a switching frequency
below 50Mhz. Since most of our pins do not exceed this value, we enable
slewrate by default. Pins with a switching value that exceeds 50Mhz will
have to explicitly disable slewrate.
This patch changes the ABI. However, the slewrate macros are only used
by SAM9X60 and, at this moment, there are no device-tree files available
for this platform.
Suggested-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/20191101092031.24896-1-codrin.ciubotariu@microchip.com
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
- Add support for the new R-Car M3-W+ (r8a77961) SoC,
- Small fixes and cleanups.
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Merge tag 'sh-pfc-for-v5.5-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: sh-pfc: Updates for v5.5 (take two)
- Add support for the new R-Car M3-W+ (r8a77961) SoC,
- Small fixes and cleanups.
Now that we have symbol namespaces, use them in MCB to not pollute the
default namespace with MCB internals.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Jessica Yu <jeyu@kernel.org>
Reviewed-by: Michael Moese <mmoese@suse.de>
Link: https://lore.kernel.org/r/20191016100158.1400-1-jthumshirn@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is useful for users who are trying to identify the firmwares in use
on their system.
Signed-off-by: Drew DeVault <sir@cmpwn.com>
Link: https://lore.kernel.org/r/20191103180646.34880-1-sir@cmpwn.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The call was not releasing the mutex upon error.
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Acked-By: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Link: https://lore.kernel.org/r/20191103180921.2844-1-dave@stgolabs.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Always set XFS_ALLOC_USERDATA for data fork allocations, and check it
in xfs_alloc_is_userdata instead of the current obsfucated check.
Also remove the xfs_alloc_is_userdata and xfs_alloc_allow_busy_reuse
helpers to make the code a little easier to understand.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Move the extent zeroing case there for the XFS_BMAPI_ZERO flag outside
the low-level allocator and into xfs_bmapi_allocate, where is still
is in transaction context, but outside the very lowlevel code where
it doesn't belong.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Avoid duplicate userdata and data fork checks by restructuring the code
so we only have a helper for userdata allocations that combines these
checks in a straight foward way. That also helps to obsoletes the
comments explaining what the code does as it is now clearly obvious.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Move the EOF alignment and checking for the next allocated extent into
the callers to avoid the need to pass the byte based offset and count
as well as looking at the incoming imap. The added benefit is that
the caller can unlock the incoming ilock and the function doesn't have
funny unbalanced locking contexts.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Even if we are asked for a write layout there is no point in logging
the inode unless we actually modified it in some way.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
We should never see delalloc blocks for a pNFS layout, write or not.
Adjust the assert to check for that.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
And move the code dependent on it to the one caller that cares
instead.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
By open coding xfs_bmap_last_extent instead of calling it through a
double indirection we don't need to handle an error return that
can't happen given that we are guaranteed to have the extent list in
memory already. Also simplify the calling conventions a little and
move the extent list assert from the only caller into the function.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
"dw_mci.state" is an enum, which is compatible with u32, so there is no
need to cast its address, preventing further compiler checks.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20191025094130.26033-8-geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
"dw_mci.pending_events" and "dw_mci.completed_events" are "unsigned
long", i.e. 32-bit or 64-bit, depending on the platform. Hence casting
their addresses to "u32 *", and calling debugfs_create_x32() breaks
operation on 64-bit platforms.
Fix this by using the new debugfs_create_xul() helper instead.
Fixes: f95f3850f7 ("mmc: dw_mmc: Add Synopsys DesignWare mmc host driver.")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20191025094130.26033-7-geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
"atmel_mci.state" is an enum, which is compatible with u32, so there is
no need to cast its address, preventing further compiler checks.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20191025094130.26033-6-geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
"atmel_mci.pending_events" and "atmel_mci.completed_events" are
"unsigned long", i.e. 32-bit or 64-bit, depending on the platform.
Hence casting their addresses to "u32 *", and calling
debugfs_create_x32() breaks operation on 64-bit platforms.
Fix this by using the new debugfs_create_xul() helper instead.
Fixes: deec9ae31e ("atmel-mci: debugfs support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20191025094130.26033-5-geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The NETDEV_CHANGENAME code is not "unneeded" like it is stated in commit
4cb6560514 ("leds: trigger: netdev: fix refcnt leak on interface
rename").
The event was accidentally misinterpreted equivalent to
NETDEV_UNREGISTER, but should be equivalent to NETDEV_REGISTER.
This was the case in the original code from the openwrt project.
Otherwise, you are unable to set netdev led triggers for (non-existent)
netdevices, which has to be renamed. This is the case, for example, for
ppp interfaces in openwrt.
Fixes: 06f502f57d ("leds: trigger: Introduce a NETDEV trigger")
Fixes: 4cb6560514 ("leds: trigger: netdev: fix refcnt leak on interface rename")
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
The existing debugfs_create_ulong() function supports objects of
type "unsigned long", which are 32-bit or 64-bit depending on the
platform, in decimal form. To format objects in hexadecimal, various
debugfs_create_x*() functions exist, but all of them take fixed-size
types.
Add a debugfs helper for "unsigned long" objects in hexadecimal format.
This avoids the need for users to open-code the same, or introduce
bugs when casting the value pointer to "u32 *" or "u64 *" to call
debugfs_create_x{32,64}().
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191025094130.26033-2-geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When a mon group is being deleted, rdtgrp->flags is set to RDT_DELETED
in rdtgroup_rmdir_mon() firstly. The structure of rdtgrp will be freed
until rdtgrp->waitcount is dropped to 0 in rdtgroup_kn_unlock() later.
During the window of deleting a mon group, if an application calls
rdtgroup_mondata_show() to read mondata under this mon group,
'rdtgrp' returned from rdtgroup_kn_lock_live() is a NULL pointer when
rdtgrp->flags is RDT_DELETED. And then 'rdtgrp' is passed in this path:
rdtgroup_mondata_show() --> mon_event_read() --> mon_event_count().
Thus it results in NULL pointer dereference in mon_event_count().
Check 'rdtgrp' in rdtgroup_mondata_show(), and return -ENOENT
immediately when reading mondata during the window of deleting a mon
group.
Fixes: d89b737901 ("x86/intel_rdt/cqm: Add mon_data")
Signed-off-by: Xiaochen Shen <xiaochen.shen@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Fenghua Yu <fenghua.yu@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: pei.p.jia@intel.com
Cc: Reinette Chatre <reinette.chatre@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/1572326702-27577-1-git-send-email-xiaochen.shen@intel.com
an30259a_probe misses a check for devm_regmap_init_i2c and may cause
problems.
Add a check and print errors like other leds drivers.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Error was detected by PVS-Studio:
V512 A call of the 'sprintf' function will lead to overflow of
the buffer 'led_data->led_cdev_name'.
Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Oleh Kravchenko <oleg@kaa.org.ua>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
This driver can use the of_device_get_match_data() API to simplify the
code. Replace calls to of_match_device() with this newer API under the
assumption that where it is called will be when we know the device is
backed by a DT node. This nicely avoids referencing the match table when
it is undefined with configurations where CONFIG_OF=n.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Riku Voipio <riku.voipio@iki.fi>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Dan Murphy <dmurphy@ti.com>
Cc: <linux-leds@vger.kernel.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
