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There are several parts of the driver that could produce
a "dfs failed!" message. Change the texts, in order to help
identifying from where they're coming.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Instead of having a static var to detect it, let's use the
already-existing arch-specific bytes, as this is how other
parts of the code also checks when it needs to do something
different, depending on an specific chipset version.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This driver is licensed under GPL 2.0, as stated inside their
headers.
Add the proper tag there. We should probably latter cleanup
the reduntant licensing text, but this could be done later,
after we get rid of other abstraction layers.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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There are too many wrapper functions at atomisp_compat_css20.c.
Get rid of another set of such wrappers.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Run checkpatch --fix-inline again, in order to get rid
of some additional issues that got introduced (or that
checkpatch can now detect).
This should help preventing receiving random cleanups,
while keeping the code on a better shape.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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There are tons of code inside atomisp_compat_css20.c, but
several of them are just trivial wrappers to other functions.
Getting rid of all of them will take some time, but let's
start getting rid of some of the trivial ones.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The frame allocation logic happens differently for userptr
or normal mmap. On a quick look, this sounded to be unbalanced,
but the logic should actually work for both cases.
Add an extra comment to reflect it.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Simplify the code by removing this extra memory management
abstraction layer.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The code there is a wrapper for hmm/ wrapper. Simplify it,
and get rid of ION-specific code.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The very same macros are defined as CSS_foo and IA_CSS_foo.
Remove this abstraction, as it just make things confusing,
for no good reason.
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Using DQBUF on non-blocking mode will return -EAGAIN
if nothing arrives. Printing it has no value, even for debug
purposes. So, only display real return codes.
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Some recent changes at V4L2 core changed the way querycap is handled.
Due to that, this warning is generated:
WARNING: CPU: 1 PID: 503 at drivers/media/v4l2-core/v4l2-dev.c:885 __video_register_device+0x93e/0x1120 [videodev]
as introduced by this commit:
commit 3c1350501c21db8e3b1a38d9e97db29694305c3b
Author: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Date: Tue Jul 23 04:21:25 2019 -0400
media: v4l2-dev/ioctl: require non-zero device_caps, verify sane querycap results
Now that all V4L2 drivers set device_caps in struct video_device, we can add
a check for this to ensure all future drivers fill this in.
The fix is simple: we just need to initialize dev_caps before
registering the V4L2 dev.
While here, solve other problems at VIDIOC_QUERYCAP ioctl.
Reported-by: Patrik Gfeller <patrik.gfeller@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This driver has very long directories without a good
reason (IMHO). Let's drop two directories from such hierarchy,
in order to simplify things a little bit and make the dir
output a bit more readable.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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