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Add support for the Trace Hub in Granite Rapids.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: stable@kernel.org
Link: https://lore.kernel.org/r/20240429130119.1518073-11-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Correct function comments to prevent kernel-doc warnings
found when using "W=1".
msu.c:77: warning: Function parameter or member 'msc' not described in 'msc_window'
msu.c:122: warning: bad line:
msu.c:760: warning: No description found for return value of 'msc_configure'
msu.c:1309: warning: Function parameter or member 'nr_pages' not described in 'msc_buffer_alloc'
msu.c:1309: warning: Function parameter or member 'nr_wins' not described in 'msc_buffer_alloc'
msu.c:1309: warning: Excess function parameter 'size' description in 'msc_buffer_alloc'
msu.c:1376: warning: No description found for return value of 'msc_buffer_free_unless_used'
msu.c:1444: warning: No description found for return value of 'msc_win_to_user'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240429130119.1518073-10-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The pointer outp is being initialized with a value that is never
read. All the reads of outp occur after outp has neen set to an
appropriate value rather than using the first value is initialized
with. The assignment is redundant and can be removed.
Cleans up clang scan warning:
drivers/hwtracing/intel_th/sth.c:73:15: warning: Value stored to
'outp' during its initialization is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240429130119.1518073-9-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Per filesystems/sysfs.rst, show() should only use sysfs_emit()
or sysfs_emit_at() when formatting the value to be returned to user space.
coccinelle complains that there are still a couple of functions that use
snprintf(). Convert them to sysfs_emit().
sprintf() will be converted as weel if they have.
Generally, this patch is generated by
make coccicheck M=<path/to/file> MODE=patch \
COCCI=scripts/coccinelle/api/device_attr_show.cocci
No functional change intended
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240429130119.1518073-8-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the
intel_th_source_device_type, intel_th_output_device_type,
intel_th_switch_device_type and intel_th_device_type variables to be
constant structures as well, placing it into read-only memory which can not
be modified at runtime.
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240429130119.1518073-7-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240429130119.1518073-6-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Package messages from ftrace source with SyS-T Structured Binary Data
(later SBD) header and 64-bit ID. This provides modification-free
compatibility between ftrace and SyS-T arguments structure by applying
0xFFFF mask on message ID.
This happens due to the fact that SBD and ftrace structures have the
same principle of data storage: <header><args binary blob>.
The headers are bit-to-bit compatible and both contain event/catalog ID
with the exception, that ftrace header contains more fields within 64
bits which needs to be masked during encoding process, since SBD
standard doesn't support mask of ID field.
0 15 16 23 24 31 32 39 40 63
ftrace: <event_id> <flags> <preempt> <-pid-> <---->
SBD: <------- msg_id ------------------------------>
Signed-off-by: Mikhail Lappo <miklelappo@gmail.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240429130119.1518073-5-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pass stm source type via stm_write() to allow different handling on
protocol level.
The measure above should allow protocol level encoder to differentiate
and accordingly pack the messages. As an example SyS-T might get use of
ftrace message ID's and instead of applying regular header, pack them
as SyS-T catalog or SyS-T Structured Binary Data message to allow proper
decoding on the other side.
Signed-off-by: Mikhail Lappo <miklelappo@gmail.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240429130119.1518073-4-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Currently kernel HW tracing infrastrtucture and specifically its SyS-T
part treats all source data in the same way. Treating and encoding
different trace data sources differently might allow decoding software
to make use of e.g. ftrace event ids by converting them to a SyS-T
message catalog.
The solution is to keep source type stored within stm_source_data
structure to allow different handling by stm output/protocol.
Currently we only differentiate between STM_USER and STM_FTRACE sources.
Signed-off-by: Mikhail Lappo <miklelappo@gmail.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240429130119.1518073-3-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The put_device(&stm->dev) call will trigger stm_device_release() which
frees "stm" so the vfree(stm) on the next line is a double free.
Fixes: 389b6699a2aa ("stm class: Fix stm device initialization order")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Link: https://lore.kernel.org/r/20240429130119.1518073-2-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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... and use it to limit the virtual terminals to just N_TTY. They are
kind of special, and in particular, the "con_write()" routine violates
the "writes cannot sleep" rule that some ldiscs rely on.
This avoids the
BUG: sleeping function called from invalid context at kernel/printk/printk.c:2659
when N_GSM has been attached to a virtual console, and gsmld_write()
calls con_write() while holding a spinlock, and con_write() then tries
to get the console lock.
Tested-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Daniel Starke <daniel.starke@siemens.com>
Reported-by: syzbot <syzbot+dbac96d8e73b61aa559c@syzkaller.appspotmail.com>
Closes: https://syzkaller.appspot.com/bug?extid=dbac96d8e73b61aa559c
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240423163339.59780-1-torvalds@linux-foundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Marcus started a project in 2016 to bring the pi433 alive. One project
was funded successfully but the second not. So only a few pi433 got sold
to early adaptors during this time that ended late 2017. There is a
simple user space program available for a demo with the pi433 but that
does not use this driver.
The driver is unused since 2018. No description or user space application
to use it can be found. To bring it alive the device tree needs to be
adjusted manually.
The last patch reviewed by Marcus was in June 2018, last patch tested
was in July 2017.
No response since 27. March 2024 regarding the removal of the driver.
Remove unused driver because of the above named reasons.
Link: https://lore.kernel.org/linux-staging/c4c5ab38-8c67-4c21-86bc-f4f3c06be358@gmail.com/
Link: https://www.kickstarter.com/projects/1292669042/pi433-a-radio-module-funkmodul-for-raspberry-pi
Link: https://www.kickstarter.com/projects/1292669042/smarthome-pi/comments
Link: https://www.pi433.de/en.html
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Cc: Marcus Wolf <marcus.wolf@wolf-entwicklungen.de>
Link: https://lore.kernel.org/r/20240421195717.GA10943@matrix-ESPRIMO-P710
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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checkpatch.pl noticed about missing blank line after 2 declarations.
So add them for better readability.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Link: https://lore.kernel.org/r/20240425165852.6681-6-wahrenst@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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checkpatch.pl noticed
CHECK: Please don't use multiple blank lines
So drop them.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Link: https://lore.kernel.org/r/20240425165852.6681-5-wahrenst@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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checkpatch.pl complains
ERROR: Macros with complex values should be enclosed in parentheses
+#define VCHIQ_MSG_SRCPORT(msgid) \
+ (unsigned short)(((unsigned int)(msgid) >> 12) & 0xfff)
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Link: https://lore.kernel.org/r/20240425165852.6681-4-wahrenst@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now that struct vchiq_state has a device reference, we can convert
the remaining printk message helpers.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Link: https://lore.kernel.org/r/20240425165852.6681-3-wahrenst@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Looking at the handling of service instance within the VCHIQ
driver shows that it's not possible that service_callback is
called with instance is a NULL pointer. So drop the unnecessary
NULL check and fix:
vchiq_arm.c:1109 service_callback() warn:
variable dereferenced before check 'instance' (see line 1091)
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/linux-arm-kernel/202404230315.vx7ESZ3r-lkp@intel.com/
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Link: https://lore.kernel.org/r/20240425165852.6681-2-wahrenst@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Import from kgsl commit 809ee24fe560.
Signed-off-by: Connor Abbott <cwabbott0@gmail.com>
Patchwork: https://patchwork.freedesktop.org/patch/592516/
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Add myself as a reviewer for Adreno driver changes.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/590705/
Signed-off-by: Rob Clark <robdclark@chromium.org>
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The msm driver is.. gigantic and covers display hardware (incl. things
concerning (e)DP, DSI, HDMI), as well as the entire lineup of Adreno
GPUs (with hw bringup, memory mappings, userspace interaction etc.).
Because of that, people listed as M:/R: receive patches concerning
drivers for any part of the display block OR the GPU. Separate the
latter, as it's both a functionally separate block and is of
interest to different folks.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/590704/
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Calling a6xx_destroy() before adreno_gpu_init() leads to a null pointer
dereference on:
msm_gpu_cleanup() : platform_set_drvdata(gpu->pdev, NULL);
as gpu->pdev is only assigned in:
a6xx_gpu_init()
|_ adreno_gpu_init
|_ msm_gpu_init()
Instead of relying on handwavy null checks down the cleanup chain,
explicitly de-allocate the LLC data and free a6xx_gpu instead.
Fixes: 76efc2453d0e ("drm/msm/gpu: Fix crash during system suspend after unbind")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/588919/
Signed-off-by: Rob Clark <robdclark@chromium.org>
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a7xx_submit() should use the a7xx variant of the RBBM_PERFCTR_CP register
for retrieving the CP cycles value before and after the submitted command
stream execution.
Signed-off-by: Zan Dobersek <zdobersek@igalia.com>
Fixes: af66706accdf ("drm/msm/a6xx: Add skeleton A7xx support")
Patchwork: https://patchwork.freedesktop.org/patch/588445/
Signed-off-by: Rob Clark <robdclark@chromium.org>
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The "state" pointer points to an offset in the middle of the "mgmt"
struct so it can't possibly be NULL. And also we dereferenced it on the
line before. So this NULL check is pointless. Delete it.
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Link: https://lore.kernel.org/r/526ec2ff-6277-4d5d-b2d9-63b087a97c7c@moroto.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The commit 8c9753f63905 ("staging: vc04_services: vchiq_arm: Drop
g_cache_line_size") introduced NULL pointer dereferences by
using the wrong device.
Fixes: 8c9753f63905 ("staging: vc04_services: vchiq_arm: Drop g_cache_line_size")
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Link: https://lore.kernel.org/r/20240420091240.9552-1-wahrenst@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In addition to the CP_PERFCTR_CP_SEL register range, allow writes to the
CP_BV_PERFCTR_CP_SEL registers in the 0x8e0-0x8e6 range for profiling
purposes of tools like fdperf and perfetto.
Signed-off-by: Zan Dobersek <zdobersek@igalia.com>
Patchwork: https://patchwork.freedesktop.org/patch/580548/
[fixup a730_protect size]
Signed-off-by: Rob Clark <robdclark@chromium.org>
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Rename variable DssCCk to dss_cck
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-19-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable ExtHTCapInfo to ext_ht_cap_info
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-18-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable MPDUDensity to mpdu_density
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-17-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable MaxRxAMPDUFactor to max_rx_ampdu_factor
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-16-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable MaxAMSDUSize to max_amsdu_size
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-15-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable DelayBA to delay_ba
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-14-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable RxSTBC to rx_stbc
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-13-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable TxSTBC to tx_stbc
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-12-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable GreenField to green_field
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-11-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable ShortGI20Mhz to short_gi_20mhz
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-10-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable ShortGI40Mhz to short_gi_40mhz
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-9-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable MimoPwrSave to mimo_pwr_save
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-8-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable AdvCoding to adv_coding
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-7-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable ChlWidth to chl_width
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-6-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable LSigTxopProtect to lsig_txop_protect
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-5-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable OptMode to opt_mode
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-4-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable CurrentAMPDUFactor to current_ampdu_factor
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-3-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename variable CurSTAExtChnlOffset to cur_sta_ext_chnl_offset
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240428230106.6548-2-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Update header inclusions to follow IWYU (Include What You Use)
principle.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Link: https://lore.kernel.org/r/20240423173623.2748621-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This prevents use of a stale pointer if functions are called after
g_cleanup that shouldn't be. This doesn't fix any races, but converts
a possibly silent kernel memory corruption into an obvious NULL pointer
dereference report.
Fixes: eb9fecb9e69b ("usb: gadget: f_uac2: split out audio core")
Signed-off-by: Chris Wulff <chris.wulff@biamp.com>
Link: https://lore.kernel.org/stable/CO1PR17MB54194226DA08BFC9EBD8C163E1172%40CO1PR17MB5419.namprd17.prod.outlook.com
Link: https://lore.kernel.org/r/CO1PR17MB54194226DA08BFC9EBD8C163E1172@CO1PR17MB5419.namprd17.prod.outlook.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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gadget unbind.
Hang on to the control IDs instead of pointers since those are correctly
handled with locks.
Fixes: 8fe9a03f4331 ("usb: gadget: u_audio: Rate ctl notifies about current srate (0=stopped)")
Fixes: c565ad07ef35 ("usb: gadget: u_audio: Support multiple sampling rates")
Fixes: 02de698ca812 ("usb: gadget: u_audio: add bi-directional volume and mute support")
Signed-off-by: Chris Wulff <chris.wulff@biamp.com>
Link: https://lore.kernel.org/stable/CO1PR17MB5419C2BF44D400E4E620C1ADE1172%40CO1PR17MB5419.namprd17.prod.outlook.com
Link: https://lore.kernel.org/r/CO1PR17MB5419C2BF44D400E4E620C1ADE1172@CO1PR17MB5419.namprd17.prod.outlook.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Document the QDU1000 dwc3 compatible.
Signed-off-by: Komal Bajaj <quic_kbajaj@quicinc.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240502082017.13777-4-quic_kbajaj@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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struct usb_devmap is really just a bitmap. No need to have a dedicated
structure for that.
Simplify code and use DECLARE_BITMAP() directly instead.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/1d818575ff7a1e8317674aecf761ee23c89fdc84.1714815990.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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ARM/VT8500 is marked as Orphan. It includes ehci-platform.c and
uhci-platform.c in its file list, even though uhci-platform.c is included
from uhci-hcd.c and ehci-platform.c is used by several platforms.
Listing those files as part of an orphan platform does not add value,
even more so since they are marked as supported as part of generic ehci
and uhci support. Drop the files from the ARM/VT8500 entry.
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240504141436.647782-1-linux@roeck-us.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When using a high speed clock with a low baud rate, the 4x prescaler is
automatically selected if required. In that case, sc16is7xx_set_baud()
properly configures the chip registers, but returns an incorrect baud
rate by not taking into account the prescaler value. This incorrect baud
rate is then fed to uart_update_timeout().
For example, with an input clock of 80MHz, and a selected baud rate of 50,
sc16is7xx_set_baud() will return 200 instead of 50.
Fix this by first changing the prescaler variable to hold the selected
prescaler value instead of the MCR bitfield. Then properly take into
account the selected prescaler value in the return value computation.
Also add better documentation about the divisor value computation.
Fixes: dfeae619d781 ("serial: sc16is7xx")
Cc: stable@vger.kernel.org
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240430200431.4102923-1-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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