Browse Source

ath9k: Process BB watchdog events in the tasklet

Move the BB processing code to the tasklet and avoid
doing it in the ISR, there is no real benefit and this
makes the ISR less heavy.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith Manoharan 12 năm trước cách đây
mục cha
commit
0c75997758
1 tập tin đã thay đổi với 6 bổ sung8 xóa
  1. 6 8
      drivers/net/wireless/ath/ath9k/main.c

+ 6 - 8
drivers/net/wireless/ath/ath9k/main.c

@@ -457,6 +457,11 @@ void ath9k_tasklet(unsigned long data)
 
 	if ((ah->config.hw_hang_checks & HW_BB_WATCHDOG) &&
 	    (status & ATH9K_INT_BB_WATCHDOG)) {
+		spin_lock(&common->cc_lock);
+		ath_hw_cycle_counters_update(common);
+		ar9003_hw_bb_watchdog_dbg_info(ah);
+		spin_unlock(&common->cc_lock);
+
 		if (ar9003_hw_bb_watchdog_check(ah)) {
 			type = RESET_TYPE_BB_WATCHDOG;
 			ath9k_queue_reset(sc, type);
@@ -593,15 +598,8 @@ irqreturn_t ath_isr(int irq, void *dev)
 		goto chip_reset;
 
 	if ((ah->config.hw_hang_checks & HW_BB_WATCHDOG) &&
-	    (status & ATH9K_INT_BB_WATCHDOG)) {
-
-		spin_lock(&common->cc_lock);
-		ath_hw_cycle_counters_update(common);
-		ar9003_hw_bb_watchdog_dbg_info(ah);
-		spin_unlock(&common->cc_lock);
-
+	    (status & ATH9K_INT_BB_WATCHDOG))
 		goto chip_reset;
-	}
 
 #ifdef CONFIG_ATH9K_WOW
 	if (status & ATH9K_INT_BMISS) {