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authorHans Verkuil <hverkuil@xs4all.nl>2010-11-14 09:36:23 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-12-01 20:10:05 -0200
commit32958fdd1663aeaa23b5edbfbb0db684ffd4e20e (patch)
tree849f927c20c352650b0d39110ac5d223941c4c44 /drivers/block
parente53beacd23d9cb47590da6a7a7f6d417b941a994 (diff)
downloadop-kernel-dev-32958fdd1663aeaa23b5edbfbb0db684ffd4e20e.zip
op-kernel-dev-32958fdd1663aeaa23b5edbfbb0db684ffd4e20e.tar.gz
[media] BKL: trivial BKL removal from V4L2 radio drivers
The patch converts a bunch of V4L2 radio drivers to unlocked_ioctl. These are all simple conversions: most already had a lock and so the ioctl fop could simply be replaced by unlocked_ioctl. radio-miropcm20.c was converted to use the new V4L2 core lock. While doing this work I noticed that many of these drivers initialized some more fields or muted audio or something like that *after* creating the device node. This should be done before the device node is created to prevent problems. Especially hal tends to grab a device node as soon as it is created. In one or two cases the mutex_init was even done after the device creation! Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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