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Rename all USB drivers with their own directory under
drivers/media/video into drivers/media/usb and update the
building system.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As reported by Marcos:
On 04-18-2012 01:30, Marcos Paulo de Souza wrote:
> The output of "make versioncheck" told us that:
>
> drivers/media/video/tlg2300/pd-video.c: 1669: need linux/version.h
>
> If we take a look at the code, we can see that this file uses the macro
> KERNEL_VERSION.
The V4L2 core now fills it automatically, so drivers shouldn't touch on
cap->version anymore.
Reported by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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in pd_vidioc_s_fmt
Error path in file drivers/media/video/tlg2300/pd-video.c:
1. First mutex_unlock on &pd->lock in line 767 (in function that
called from line 805)
2. Second in line 806
805 pd_vidioc_s_fmt(pd, &f->fmt.pix);
806 mutex_unlock(&pd->lock);
Found by Linux Device Drivers Verification Project
Signed-off-by: Alexander Strakh <strakh@ispras.ru>
Acked-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Hi,
While reading
drivers/media/video/tlg2300/pd-video.c::alloc_bulk_urbs_generic() I
noticed that
- We don't free the memory allocated to 'urb' if the call to
usb_alloc_coherent() fails.
- If the 'num' argument to the function is ever <= 0 we'll return an
uninitialized variable 'i' to the caller.
The following patch addresses both of the above by a) calling
usb_free_urb() when usb_alloc_coherent() fails and by explicitly
initializing 'i' to zero.
I also moved the variables 'mem' and 'urb' inside the for loop. This does
not actually make any difference, it just seemed more correct to me to let
variables exist only in the innermost scope they are used.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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videobuf_waiton() must unlock and relock ext_lock if it has to wait.
For that to happen it needs the videobuf_queue pointer.
Don't attempt to unlock/relock q->ext_lock unless it was locked in the
first place.
vb->state has to be protected by a spinlock to be safe.
This patch is based on code from Mauro Carvalho Chehab <mchehab@redhat.com>.
[mchehab@redhat.com: add extra argument to a few missing places]
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (229 commits)
USB: remove unused usb_buffer_alloc and usb_buffer_free macros
usb: musb: update gfp/slab.h includes
USB: ftdi_sio: fix legacy SIO-device header
USB: kl5usb105: reimplement using generic framework
USB: kl5usb105: minor clean ups
USB: kl5usb105: fix memory leak
USB: io_ti: use kfifo to implement write buffering
USB: io_ti: remove unsused private counter
USB: ti_usb: use kfifo to implement write buffering
USB: ir-usb: fix incorrect write-buffer length
USB: aircable: fix incorrect write-buffer length
USB: safe_serial: straighten out read processing
USB: safe_serial: reimplement read using generic framework
USB: safe_serial: reimplement write using generic framework
usb-storage: always print quirks
USB: usb-storage: trivial debug improvements
USB: oti6858: use port write fifo
USB: oti6858: use kfifo to implement write buffering
USB: cypress_m8: use kfifo to implement write buffering
USB: cypress_m8: remove unused drain define
...
Fix up conflicts (due to usb_buffer_alloc/free renaming) in
drivers/input/tablet/acecad.c
drivers/input/tablet/kbtab.c
drivers/input/tablet/wacom_sys.c
drivers/media/video/gspca/gspca.c
sound/usb/usbaudio.c
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For more clearance what the functions actually do,
usb_buffer_alloc() is renamed to usb_alloc_coherent()
usb_buffer_free() is renamed to usb_free_coherent()
They should only be used in code which really needs DMA coherency.
All call sites have been changed accordingly, except for staging
drivers.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Pedro Ribeiro <pedrib@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Make the local variables and functions static. Some of them are not exported by their
symbol name but used trough other means. For example a pointer of the operation
structure is passed through a function call.
This will remove the following sparse warnings (see "make C=1"):
* pd-video.c:20:5: warning: symbol 'usb_transfer_mode' was not declared. Should it be static?
* pd-video.c:621:5: warning: symbol 'fire_all_urb' was not declared. Should it be static?
* pd-video.c:881:5: warning: symbol 'vidioc_s_std' was not declared. Should it be static?
* pd-video.c:1024:5: warning: symbol 'vidioc_g_audio' was not declared. Should it be static?
* pd-video.c:1033:5: warning: symbol 'vidioc_s_audio' was not declared. Should it be static?
* pd-video.c:1193:5: warning: symbol 'usb_transfer_stop' was not declared. Should it be static?
* pd-video.c:1522:14: warning: symbol 'pd_video_poll' was not declared. Should it be static?
* pd-video.c:1528:9: warning: symbol 'pd_video_read' was not declared. Should it be static?
* pd-radio.c:164:5: warning: symbol 'tlg_fm_vidioc_g_tuner' was not declared. Should it be static?
* pd-radio.c:206:5: warning: symbol 'fm_get_freq' was not declared. Should it be static?
* pd-radio.c:249:5: warning: symbol 'fm_set_freq' was not declared. Should it be static?
* pd-radio.c:261:5: warning: symbol 'tlg_fm_vidioc_g_ctrl' was not declared. Should it be static?
* pd-radio.c:267:5: warning: symbol 'tlg_fm_vidioc_g_exts_ctrl' was not declared. Should it be static?
* pd-radio.c:288:5: warning: symbol 'tlg_fm_vidioc_s_exts_ctrl' was not declared. Should it be static?
* pd-radio.c:315:5: warning: symbol 'tlg_fm_vidioc_s_ctrl' was not declared. Should it be static?
* pd-radio.c:321:5: warning: symbol 'tlg_fm_vidioc_queryctrl' was not declared. Should it be static?
* pd-radio.c:340:5: warning: symbol 'tlg_fm_vidioc_querymenu' was not declared. Should it be static?
* pd-main.c:58:12: warning: symbol 'firmware_name' was not declared. Should it be static?
* pd-main.c:59:19: warning: symbol 'poseidon_driver' was not declared. Should it be static?
Signed-off-by: Márton Németh <nm127@freemail.hu>
Acked-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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When power management is not configured (CONFIG_PM) then some code is no longer
necessary.
This patch will remove the following compiler warnings:
* pd-dvb.c: In function 'poseidon_fe_release':
* pd-dvb.c:101: warning: unused variable 'pd'
* pd-video.c:14: warning: 'pm_video_suspend' declared 'static' but never defined
* pd-video.c:15: warning: 'pm_video_resume' declared 'static' but never defined
Signed-off-by: Márton Németh <nm127@freemail.hu>
Acked-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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video :
use the V4L2_STD macros to select the proper audio setting.
radio :
add preemphasis ctr.
test it by the command:
v4l2-ctl -d /dev/radio0 --set-ctrl=pre_emphasis_settings=1
[mchehab@redhat.com: folded documentation patch]
Signed-off-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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pd-common.h contains the common data structures, while
vendorcmds.h contains the vendor commands for firmware.
[mchehab@redhat.com: Folded the 10 patches with the driver]
Signed-off-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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