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ath9k: do not enable interrupt on set interrupt mask

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At preset set_interrupt also enables interrupt after changing
mask. This is not necessary in all cases and also sometime it
breaks the assumption that interrupt was disabled. So let us
enable the interrupt explicity if it was disabled earlier.
This could also avoid unnecessary register ops and also helps
the follow up patch to have global ref count for interrupts ops.

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 18:59:40 +05:30
committed by John W. Linville
parent 8d7763b433
commit b037b69326
4 changed files with 13 additions and 5 deletions
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4
drivers/net/wireless/ath/ath9k/main.c
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@@ -294,6 +294,7 @@ static int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
ath9k_cmn_update_txpow(ah, sc->curtxpow,
sc->config.txpowlimit, &sc->curtxpow);
ath9k_hw_set_interrupts(ah, ah->imask);
ath9k_hw_enable_interrupts(ah);
if (!(sc->sc_flags & (SC_OP_OFFCHANNEL))) {
if (sc->sc_flags & SC_OP_BEACONS)
@@ -910,6 +911,7 @@ static void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
/* Re-Enable interrupts */
ath9k_hw_set_interrupts(ah, ah->imask);
ath9k_hw_enable_interrupts(ah);
/* Enable LED */
ath9k_hw_cfg_output(ah, ah->led_pin,
@@ -1016,6 +1018,7 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
ath_set_beacon(sc); /* restart beacons */
ath9k_hw_set_interrupts(ah, ah->imask);
ath9k_hw_enable_interrupts(ah);
if (retry_tx) {
int i;
@@ -1130,6 +1133,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
/* Disable BMISS interrupt when we're not associated */
ah->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
ath9k_hw_set_interrupts(ah, ah->imask);
ath9k_hw_enable_interrupts(ah);
ieee80211_wake_queues(hw);