dvb/bt8xx: kill the big kernel lock
authorArnd Bergmann <arnd@arndb.de>
Sat, 11 Sep 2010 17:53:25 +0000 (19:53 +0200)
committerArnd Bergmann <arnd@arndb.de>
Tue, 19 Oct 2010 09:29:55 +0000 (11:29 +0200)
commitadfedd216d9f0bc3f5bfa8aab42932301d4edc31
treeedfd81d06615c22200a8fd9c007b9033ccf646bd
parentefbec1cd042008b49fe3cad45604088c54905a06
dvb/bt8xx: kill the big kernel lock

The bt8xx driver only uses the big kernel lock in its dst_ca_ioctl
function and never to serialize against other code, so we can
trivially replace it with a private mutex.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: linux-media@vger.kernel.org
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
drivers/media/dvb/bt8xx/dst_ca.c