ath9k: disable interrupt mitigation - it hurts performance on embedded systems

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18626 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/patches/560-disable_interrupt_mitigation.patch b/package/mac80211/patches/560-disable_interrupt_mitigation.patch
new file mode 100644 (file)
index 0000000..916ffcb
--- /dev/null
+++ b/package/mac80211/patches/560-disable_interrupt_mitigation.patch
@@ -0,0 +1,11 @@
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -395,7 +395,7 @@ static void ath9k_hw_init_config(struct 
+               ah->config.spurchans[i][1] = AR_NO_SPUR;
+       }
+ 
+-      ah->config.intr_mitigation = true;
++      ah->config.intr_mitigation = false;
+ 
+       /*
+        * We need this for PCI devices only (Cardbus, PCI, miniPCI)