* [PATCH] ath9k: stop btcoex on device suspend
@ 2012-08-09 7:07 Rajkumar Manoharan
2012-08-16 9:23 ` Felix Fietkau
0 siblings, 1 reply; 2+ messages in thread
From: Rajkumar Manoharan @ 2012-08-09 7:07 UTC (permalink / raw)
To: linville; +Cc: linux-wireless, Rajkumar Manoharan, stable
During suspend, the device will be moved to FULLSLEEP state.
As btcoex is never been stopped, the btcoex timer is running
and tries to access hw on fullsleep state. Fix that.
Cc: stable@vger.kernel.org
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
---
drivers/net/wireless/ath/ath9k/pci.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index d455de9..a978984 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -321,6 +321,7 @@ static int ath_pci_suspend(struct device *device)
* Otherwise the chip never moved to full sleep,
* when no interface is up.
*/
+ ath9k_stop_btcoex(sc);
ath9k_hw_disable(sc->sc_ah);
ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
--
1.7.11.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ath9k: stop btcoex on device suspend
2012-08-09 7:07 [PATCH] ath9k: stop btcoex on device suspend Rajkumar Manoharan
@ 2012-08-16 9:23 ` Felix Fietkau
0 siblings, 0 replies; 2+ messages in thread
From: Felix Fietkau @ 2012-08-16 9:23 UTC (permalink / raw)
To: Rajkumar Manoharan; +Cc: linville, linux-wireless
On 2012-08-09 9:07 AM, Rajkumar Manoharan wrote:
> During suspend, the device will be moved to FULLSLEEP state.
> As btcoex is never been stopped, the btcoex timer is running
> and tries to access hw on fullsleep state. Fix that.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Why put ath9k_stop_btcoex here? mac80211 calls drv_stop on suspend, and
ath9k_stop_btcoex is called early in ath9k_stop().
- Felix
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-08-09 7:07 [PATCH] ath9k: stop btcoex on device suspend Rajkumar Manoharan
2012-08-16 9:23 ` Felix Fietkau
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