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ath9k: skip ATH9K_INT_TIM_TIMER when we are idle 

We should not be idle when we get the ATH9K_INT_TIM_TIMER,
otherwise its a sign of something broken in our design with
our idle state machine and mac80211. Skip these and WARN once
just in case this is triggerable.

Cc: Paul Stewart <pstew@google.com>
Cc: Amod Bodas <amod.bodas@atheros.com>
signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>

Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2010-12-07 15:13:22 -08:00 committed by John W. Linville
parent b7e8941b2d
commit ff9f0b639f
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/ath/ath9k/main.c
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@ -765,6 +765,8 @@ irqreturn_t ath_isr(int irq, void *dev)
if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
if (status & ATH9K_INT_TIM_TIMER) {
if (ATH_DBG_WARN_ON_ONCE(sc->ps_idle))
goto chip_reset;
/* Clear RxAbort bit so that we can
* receive frames */
ath9k_setpower(sc, ATH9K_PM_AWAKE);