ath9k: tweak rx interrupt mitigation settings for better performance

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19146 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/patches/408-ath9k_tweak_rx_intr_mitigation.patch b/package/mac80211/patches/408-ath9k_tweak_rx_intr_mitigation.patch
new file mode 100644 (file)
index 0000000..b900f41
--- /dev/null
+++ b/package/mac80211/patches/408-ath9k_tweak_rx_intr_mitigation.patch
@@ -0,0 +1,11 @@
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -2109,7 +2109,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+ 
+       if (ah->config.rx_intr_mitigation) {
+               REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500);
+-              REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000);
++              REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 500);
+       }
+ 
+       ath9k_hw_init_bb(ah, chan);