AcoSail/kernel_optimize_test
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ath9k: fix going to full-sleep on PS idle

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The check for PS_WAIT_FOR_TX_ACK was inverted, the hardware should only go
to full sleep if no tx is pending.

Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2012-03-10 13:57:04 +01:00 committed by John W. Linville
parent ffb1c56a97
commit c1afdaff90
1 changed files with 5 additions and 3 deletions
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8
drivers/net/wireless/ath/ath9k/main.c
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@ -118,13 +118,15 @@ void ath9k_ps_restore(struct ath_softc *sc)
if (--sc->ps_usecount != 0)
goto unlock;
if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK))
if (sc->ps_flags & PS_WAIT_FOR_TX_ACK)
goto unlock;
if (sc->ps_idle)
mode = ATH9K_PM_FULL_SLEEP;
else if (sc->ps_enabled &&
!(sc->ps_flags & (PS_WAIT_FOR_BEACON |
PS_WAIT_FOR_CAB |
PS_WAIT_FOR_PSPOLL_DATA |
PS_WAIT_FOR_TX_ACK)))
PS_WAIT_FOR_PSPOLL_DATA)))
mode = ATH9K_PM_NETWORK_SLEEP;
else
goto unlock;