linux-kernel - [ 053/108] ath9k: stop btcoex on device suspend

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Message-Id: <20120912232456.093724961@linuxfoundation.org>
Date:	Wed, 12 Sep 2012 16:28:51 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Rajkumar Manoharan <rmanohar@....qualcomm.com>,
	"John W. Linville" <linville@...driver.com>
Subject: [ 053/108] ath9k: stop btcoex on device suspend

From: Greg KH <gregkh@...uxfoundation.org>

3.5-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Rajkumar Manoharan <rmanohar@....qualcomm.com>

commit e19f15ac6437624b6214b2f0ec0d69fb7eb205fa upstream.

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.

Signed-off-by: Rajkumar Manoharan <rmanohar@....qualcomm.com>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/wireless/ath/ath9k/pci.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -313,6 +313,7 @@ static int ath_pci_suspend(struct 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);
 


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