ath9k: Reset chip on baseband hang
Rajkumar Manoharan [Fri, 20 May 2011 12:22:10 +0000 (17:22 +0530)]
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>

drivers/net/wireless/ath/ath9k/main.c

index bd18b1d..409ef58 100644 (file)
@@ -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 |                  \