ath9k: fix interrupt storms on AR913x

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39062 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/kernel/mac80211/patches/300-pending_work.patch b/package/kernel/mac80211/patches/300-pending_work.patch
index f70ac79..ec4fd49 100644 (file)
--- a/package/kernel/mac80211/patches/300-pending_work.patch
+++ b/package/kernel/mac80211/patches/300-pending_work.patch
@@ -11856,7 +11856,18 @@
                        ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR);
                        ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL);
                }
-@@ -120,7 +139,12 @@ static bool ar9002_hw_get_isr(struct ath
+@@ -114,13 +133,23 @@ static bool ar9002_hw_get_isr(struct ath
+               *masked |= mask2;
+       }
+ 
++      if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) {
++              REG_WRITE(ah, AR_ISR, isr);
++              REG_READ(ah, AR_ISR);
++      }
++
+       if (AR_SREV_9100(ah))
+               return true;
+ 
        if (isr & AR_ISR_GENTMR) {
                u32 s5_s;
  
@@ -11870,7 +11881,7 @@
                ah->intr_gen_timer_trigger =
                                MS(s5_s, AR_ISR_S5_GENTIMER_TRIG);
  
-@@ -133,6 +157,16 @@ static bool ar9002_hw_get_isr(struct ath
+@@ -133,6 +162,11 @@ static bool ar9002_hw_get_isr(struct ath
                if ((s5_s & AR_ISR_S5_TIM_TIMER) &&
                    !(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
                        *masked |= ATH9K_INT_TIM_TIMER;
@@ -11879,11 +11890,6 @@
 +                      REG_WRITE(ah, AR_ISR_S5, s5_s);
 +                      isr &= ~AR_ISR_GENTMR;
 +              }
-+      }
-+
-+      if (!(pCap->hw_caps & ATH9K_HW_CAP_RAC_SUPPORTED)) {
-+              REG_WRITE(ah, AR_ISR, isr);
-+              REG_READ(ah, AR_ISR);
        }
  
        if (sync_cause) {