tree bed38f150ef777fdaac6a8ff90b1cd7cd0fbe216
parent a844adfd7bee4edc66d337de6c33b348e83552a8
author Rajkumar Manoharan <rmanohar@qca.qualcomm.com> 1312550981 +0530
committer John W. Linville <linville@tuxdriver.com> 1312919526 -0400

ath9k: Use atomic reference count for interrupt ops

Let us enable/disable interrupts based on reference count.
By doing this we can ensure that interrupts are never be
enabled in the middle of tasklet processing. Instead of
addressing corner cases like "ath9k: avoid enabling interrupts
while processing rx", this approach handles it in generic manner.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>