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Nobody uses it and it's routinely discarded in vchi.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200527115400.31391-11-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For messages with a reason different from VCHIQ_MESSAGE_AVAILABLE the
responsibility for releasing them is kept in vchi, in other words,
services don't need to worry about it. As we're trying to unify vchi and
vchiq, move the release code into vchiq.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200527115400.31391-10-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is an include only used by the Linux kernel, so no need to worry
about C++ compatibility.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200527115400.31391-9-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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They don't exist, they have no users, get rid of them.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200527115400.31391-8-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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vchiq functions return an enum and vchi's ints. Those are compatible, no
need to explicitly cast them.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200527115400.31391-7-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There are no users for that function.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200527115400.31391-6-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There are no gains from that extra indirection level. Also, get rid of
the function description, the whole file will disappear soon.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200527115400.31391-5-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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All vchi users use the kernel variant of the copy callback. The only
user for the user space variant of the copy callback is in the ioctl
implementation. So move all this copying logic into vchiq, and expose a
new function that explicitly passes kernel messages.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200527115400.31391-4-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function has no users.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200527115400.31391-3-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function has no users.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200527115400.31391-2-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In several cases where a pointer marked as __user is
(intentionally) assigned or passed to a non-marked target,
cast to the target pointer type with a __force directive
to quiet warnings from sparse.
Signed-off-by: Mitchell Tasman <tasman@leaflabs.com>
Link: https://lore.kernel.org/r/20200519004531.33158-1-tasman@leaflabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Coding style issue reported by checkpatch.pl
This patch clears the checkpatch.pl "Block comments should align
the * on each line" warning.
Also cleared /****** and blank line.
Signed-off-by: John Oldman <john.oldman@polehill.co.uk>
Link: https://lore.kernel.org/r/20200513125405.28242-1-john.oldman@polehill.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Missing empty line after variable declaration
Signed-off-by: Houssem KADI <kadi.houssem.eddine@gmail.com>
Link: https://lore.kernel.org/r/20200509180849.GA30426@houssem-MS-7808
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make function arguments alignment match open parenthesis.
Found using checkpatch.pl.
Signed-off-by: R Veera Kumar <vkor@vkten.in>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200413165905.6081-1-vkor@vkten.in
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix the following gcc warning:
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:2356:16:
warning: variable ‘local_entity_uc’ set but not used
[-Wunused-but-set-variable]
int local_uc, local_entity_uc;
^~~~~~~~~~~~~~~
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Link: https://lore.kernel.org/r/20200409085339.47255-1-yanaijie@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We can reduce the indentation in the loop by using continue in case the
effect doesn't match.
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1585485901-10172-10-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There are a lot of multiline statements which can be reduced.
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1585485901-10172-9-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We can reduce the indentation in mmal_setup_components further by
returning early in error case.
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1585485901-10172-8-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function mmal_setup_components has to many indention levels. So move
the setup code for video component in its own function.
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1585485901-10172-7-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function mmal_setup_components has to many indention levels. So move
the setup code for encode component in its own function.
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1585485901-10172-6-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This simplifies set_framerate_params and avoids the multiple assignment
in one line by moving the fps_high handling out of the if statement.
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1585485901-10172-5-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The indentation of struct members wasn't consistent over the whole driver.
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1585485901-10172-4-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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I don't see any reason to keep this TODO, so activate the
V4L2_EXPOSURE_METERING_MATRIX handling.
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1585485901-10172-3-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This define is used only once. So drop the define and init the layer
directly.
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1585485901-10172-2-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull staging and IIO driver updates from Greg KH:
"Here is the big staging and IIO driver pull request for 5.7-rc1.
We again end up deleting more code than we added here, thanks to
finally getting rid of the old and obsolete wireless USB stuff, and
the exfat code (which is coming in again through the vfs tree in a
much cleaner version).
But some code does come back, with the octeon drivers being found to
actually be used in the wild, so those deletions are now reverted.
Other than those major things, just loads and loads of tiny checkpatch
cleanups all over the place, along with new IIO drivers and fixes.
All have been in linux-next with no reported issues"
[ Stephen Rothwell points out some reported issues due to merge conflicts ]
* tag 'staging-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (415 commits)
staging: vt6656: Use DIV_ROUND_UP macro instead of specific code
staging: remove hp100 driver
staging: wilc1000: Use crc7 in lib/ rather than a private copy
Staging: rtl8192u: ieee80211: Use netdev_alert().
Staging: rtl8192u: ieee80211: Use netdev_info() with network devices.
Staging: rtl8192u: ieee80211: Use netdev_warn() for network devices.
Staging: rtl8192u: ieee80211: Use netdev_dbg() for debug messages.
staging: wlan-ng: fix use-after-free Read in hfa384x_usbin_callback
staging: rtl8723bs: hal: Remove NULL check before kfree
staging: rtl8723bs: hal: Correct typos in comments
staging: rtl8723bs: os_dep: Correct typos in comments
staging: rtl8723bs: core: Correct typos in comments
staging: rtl8723bs: hal: Remove unnecessary cast on void pointer
staging: rtl8188eu: cleanup long line in odm.c
staging: rtl8723bs: hal: Compress return logic
staging: rtl8723bs: rtw_cmd: Compress lines for immediate return
staging: rtl8723bs: rtw_efuse: Compress lines for immediate return
staging: wilc1000: remove label from examples in DT binding documentation
staging: rtl8723bs: Remove blank line before '}' brace
Staging: rtl8188eu: hal: Add space around operators
...
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Correct long lines of comments to respect 80 character per line
limit and make them C89 style one.
Found using checkpatch.pl.
Signed-off-by: R Veera Kumar <vkor@vkten.in>
Link: https://lore.kernel.org/r/20200320024337.4754-1-vkor@vkten.in
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: linux-rpi-kernel@lists.infradead.org
Cc: devel@driverdev.osuosl.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20200319161300.25967-1-tiwai@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The initializer lists for the V4L2 controls are hard to read.
So improve this by using designators.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/1584049059-6772-3-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The struct bm2835_mmal_v4l2_ctrl contains an ignore_errors flag which
was always set to false. So drop the unused flag.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/1584049059-6772-2-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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'GRABBER' is a weird name, all other types map to the /dev
device names. Rename to 'VIDEO' to be consistent with the
other types.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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If kref_get_unless_zero() fails, we should keep looking for the
next service, since the callers of this function expect that a NULL
return value means there are no more.
Signed-off-by: Marcelo Diop-Gonzalez <marcgonzalez@google.com>
Link: https://lore.kernel.org/r/20200213194001.130110-1-marcgonzalez@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There are a few places where a service's reference count is incremented,
something quick is done, and the refcount is dropped. This can be made
a little simpler/faster by not grabbing a reference in these cases.
Signed-off-by: Marcelo Diop-Gonzalez <marcgonzalez@google.com>
Link: https://lore.kernel.org/r/ac6186ac888f1acf489b5b504efcba8b0d6a8b25.1581532523.git.marcgonzalez@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Currently reference counts are implemented by locking service_spinlock
and then incrementing the service's ->ref_count field, calling
kfree() when the last reference has been dropped. But at the same
time, there's code in multiple places that dereferences pointers
to services without having a reference, so there could be a race there.
It should be possible to avoid taking any lock in unlock_service()
or service_release() because we are setting a single array element
to NULL, and on service creation, a mutex is locked before looking
for a NULL spot to put the new service in.
Using a struct kref and RCU-delaying the freeing of services fixes
this race condition while still making it possible to skip
grabbing a reference in many places. Also it avoids the need to
acquire a single spinlock when e.g. taking a reference on
state->services[i] when somebody else is in the middle of taking
a reference on state->services[j].
Signed-off-by: Marcelo Diop-Gonzalez <marcgonzalez@google.com>
Link: https://lore.kernel.org/r/3bf6f1ec6ace64d7072025505e165b8dd18b25ca.1581532523.git.marcgonzalez@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes some checkpatch warnings about incorrect indentation levels
Signed-off-by: Marcelo Diop-Gonzalez <marcgonzalez@google.com>
Link: https://lore.kernel.org/r/feadcde28a987fad12011a5f17b29f2147c09e12.1581532523.git.marcgonzalez@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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there are extra parentheses around many conditional statements
that make things a little harder to read
Signed-off-by: Marcelo Diop-Gonzalez <marcgonzalez@google.com>
Link: https://lore.kernel.org/r/41511abf64f73af62f21f8e0c7457edc289af905.1581532523.git.marcgonzalez@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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vchiq_get_service_fourcc() doesn't seem to be used anywhere
Signed-off-by: Marcelo Diop-Gonzalez <marcgonzalez@google.com>
Link: https://lore.kernel.org/r/ed8b0034e316b2a81b621e9fca43f8368334b191.1581532523.git.marcgonzalez@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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They aren't used anywhere. Get rid of them.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-22-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function implementation does not exist.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-21-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function does nothing.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-20-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It's not used anywhere.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-19-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The only remaining state doesn't provide any information anymore nor the
completion that depends on it, which is set to complete_all() before any
user may wait on it.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-18-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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After the first states cleanup pass some set_suspend/resume_state()
calls disappeared which opened up even more opportunities for deletions.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-17-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It's impossible to get into them, so simply delete them.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-16-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Nobody is waiting on it.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-15-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Nobody calls this function.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-14-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It's not used.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-13-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Function does nothing.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-12-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function does nothing.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-11-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function always returns true, which makes a whole bunch of code
useless.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-10-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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vchiq_platform_suspend() and vchiq_platform_resume() do nothing, get rid
of them.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-9-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Nicolas Saenz Julienne
Mitchell Tasman
John Oldman
Houssem KADI
R Veera Kumar
Jason Yan
Stefan Wahren
Linus Torvalds
Takashi Iwai
Hans Verkuil
Marcelo Diop-Gonzalez