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authorAndy Walls <awalls@radix.net>2008-11-17 22:48:46 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-30 09:38:10 -0200
commitd6c7e5f8faad080e75bace5c4f2265e3513e3510 (patch)
treeec798a9f5644a005432ea3c435c8d563c2cc5abd /fs/eventfd.c
parent3f75c6161f28e6a17c547daf552c1127c805c5e7 (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>
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