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ath9k: Use atomic reference count for interrupt ops

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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>
This commit is contained in:
Rajkumar Manoharan
2011-08-05 18:59:41 +05:30
committed by John W. Linville
parent a844adfd7b
commit e8fe733684
7 changed files with 21 additions and 21 deletions
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drivers/net/wireless/ath/ath9k/recv.c
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@@ -601,7 +601,6 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
ath_dbg(common, ATH_DBG_PS,
"Reconfigure Beacon timers based on timestamp from the AP\n");
ath_set_beacon(sc);
sc->ps_flags &= ~PS_TSFOOR_SYNC;
}
if (ath_beacon_dtim_pending_cab(skb)) {