ath9k: fix some hw reset issues

[openwrt.git] / package / mac80211 / patches / 584-ath9k_fix_reset.patch

diff --git a/package/mac80211/patches/584-ath9k_fix_reset.patch b/package/mac80211/patches/584-ath9k_fix_reset.patch
new file mode 100644 (file)
index 0000000..2fc5713
--- /dev/null
+++ b/package/mac80211/patches/584-ath9k_fix_reset.patch
@@ -0,0 +1,30 @@
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -667,15 +667,15 @@ void ath9k_tasklet(unsigned long data)
+       u32 status = sc->intrstatus;
+       u32 rxmask;
+ 
++      ath9k_ps_wakeup(sc);
++      spin_lock(&sc->sc_pcu_lock);
++
+       if ((status & ATH9K_INT_FATAL) ||
+           (status & ATH9K_INT_BB_WATCHDOG)) {
+               ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
+-              return;
++              goto out;
+       }
+ 
+-      ath9k_ps_wakeup(sc);
+-      spin_lock(&sc->sc_pcu_lock);
+-
+       /*
+        * Only run the baseband hang check if beacons stop working in AP or
+        * IBSS mode, because it has a high false positive rate. For station
+@@ -723,6 +723,7 @@ void ath9k_tasklet(unsigned long data)
+               if (status & ATH9K_INT_GENTIMER)
+                       ath_gen_timer_isr(sc->sc_ah);
+ 
++out:
+       /* re-enable hardware interrupt */
+       ath9k_hw_enable_interrupts(ah);
+