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[PATCH 08/18] ath9k_hw: check for asynchronous MCI interrupt pending

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From: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>

MCI interrupt is an asynchronous one, so take care of it by having a
check in ath9k_hw_intrpend, which actually decides whether the interrupt
is really for the driver from ath_isr

Cc: Wilson Tsao <wtsao@xxxxxxxxxxxxxxxx>
Cc: Senthil Balasubramanian <senthilb@xxxxxxxxxxxxxxxx>
Signed-off-by: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath9k/mac.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 9d69320..0e4fbb3 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -760,7 +760,10 @@ bool ath9k_hw_intrpend(struct ath_hw *ah)
 		return true;
 
 	host_isr = REG_READ(ah, AR_INTR_ASYNC_CAUSE);
-	if ((host_isr & AR_INTR_MAC_IRQ) && (host_isr != AR_INTR_SPURIOUS))
+
+	if (((host_isr & AR_INTR_MAC_IRQ) ||
+	     (host_isr & AR_INTR_ASYNC_MASK_MCI)) &&
+	    (host_isr != AR_INTR_SPURIOUS))
 		return true;
 
 	host_isr = REG_READ(ah, AR_INTR_SYNC_CAUSE);
-- 
1.7.0.4

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