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V4L/DVB (9725): cx18: Remove unnecessary MMIO accesses in time critical irq handling path

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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>
This commit is contained in:
Andy Walls 2008-11-17 22:48:46 -03:00 • committed by Mauro Carvalho Chehab
commit d6c7e5f8fa
4 changed files with 22 additions and 22 deletions
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