ath9k: Reset chip on baseband hang

Rajkumar Manoharan · linvjw · commit a4d86d953b85 · 2011-05-26T15:43:31.000-04:00
Resetting hardware helps to recover from baseband
hang/panic for AR9003 based chips.

Cc: stable@kernel.org
Signed-off-by: Rajkumar Manoharan &lt;rmanoharan@atheros.com&gt;
Signed-off-by: John W. Linville &lt;linville@tuxdriver.com&gt;
diff --git 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 |			\
