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(parent: 3f75c61) | patch
V4L/DVB (9725): cx18: Remove unnecessary MMIO accesses in time critical irq handling...
authorAndy Walls <awalls@radix.net>
Tue, 18 Nov 2008 01:48:46 +0000 (22:48 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Tue, 30 Dec 2008 11:38:10 +0000 (09:38 -0200)
commitd6c7e5f8faad080e75bace5c4f2265e3513e3510
treeec798a9f5644a005432ea3c435c8d563c2cc5abdtree | snapshot
parent3f75c6161f28e6a17c547daf552c1127c805c5e7commit | diff
V4L/DVB (9725): cx18: Remove unnecessary MMIO accesses in time critical irq handling path

Remove unnecessary MMIO accesses in time critical irq handling path.  Also
ensured that the mailbox ack field is read in last, so we know for sure if we
have a stale mailbox or not on receipt.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/cx18/cx18-driver.h diff | blob | history
drivers/media/video/cx18/cx18-io.c diff | blob | history
drivers/media/video/cx18/cx18-irq.c diff | blob | history
drivers/media/video/cx18/cx18-mailbox.c diff | blob | history
Full containers within linux kernel