ath9k: Reset chip on baseband hang

Resetting hardware helps to recover from baseband
hang/panic for AR9003 based chips.

Cc: stable@kernel.org
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index bd18b1d01be7..409ef5885a11 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -670,7 +670,8 @@ void ath9k_tasklet(unsigned long data)
         u32 status = sc->intrstatus;
         u32 rxmask;
 
-        if (status & ATH9K_INT_FATAL) {
+        if ((status & ATH9K_INT_FATAL) ||
+            (status & ATH9K_INT_BB_WATCHDOG)) {
                 ath_reset(sc, true);
                 return;
         }
@@ -737,6 +738,7 @@ irqreturn_t ath_isr(int irq, void *dev)
 {
 #define SCHED_INTR (                            \
                 ATH9K_INT_FATAL |               \
+                ATH9K_INT_BB_WATCHDOG |         \
                 ATH9K_INT_RXORN |               \
                 ATH9K_INT_RXEOL |               \
                 ATH9K_INT_RX |                  \