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ath9k: fix sleep timer during suspend

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On idle state, sleep timer is scheduled to put the chip into fullsleep.
But during suspend, this timer is scheduled after the chip is moved to
fullsleep forcibily. This is causing below unnecessary error messages
in kernel log during suspend.

ath: phy2: timeout (100000 us) on reg 0x806c: 0xdeadbeef & 0x01f00000
!= 0x00000000
ath: phy2: RX failed to go idle in 10 ms RXSM=0xdeadbeef
ath: phy2: DMA failed to stop in 10 ms AR_CR=0xdeadbeef AR_DIAG_SW=0xdeadbeef
DMADBG_7=0xdeadbeef

Reported-by: Arkh4mKn1ght <arkh4mkn1ght@gmail.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rajkumar Manoharan 2014-05-22 14:11:41 +05:30 committed by John W. Linville
parent 4bbf4414d2
commit 1c48f98860
1 changed files with 1 additions and 0 deletions
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1
drivers/net/wireless/ath/ath9k/pci.c
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@ -914,6 +914,7 @@ static int ath_pci_suspend(struct device *device)
*/ */
ath9k_stop_btcoex(sc); ath9k_stop_btcoex(sc);
ath9k_hw_disable(sc->sc_ah); ath9k_hw_disable(sc->sc_ah);
del_timer_sync(&sc->sleep_timer);
ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP); ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
return 0; return 0;