1 files changed, 27 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/332-ath9k-ath9k_hw_analog_shift_rmw-use-REG_RMW.patch b/package/kernel/mac80211/patches/332-ath9k-ath9k_hw_analog_shift_rmw-use-REG_RMW.patch
new file mode 100644
index 0000000000..3ce4428f56
--- /dev/null
+++ b/package/kernel/mac80211/patches/332-ath9k-ath9k_hw_analog_shift_rmw-use-REG_RMW.patch
@@ -0,0 +1,27 @@
+From: Oleksij Rempel <linux@rempel-privat.de>
+Date: Sun, 22 Mar 2015 19:29:59 +0100
+Subject: [PATCH] ath9k: ath9k_hw_analog_shift_rmw: use REG_RMW
+
+use REG_RMW in ath9k_hw_analog_shift_rmw.
+It will double execution speed on usb bus.
+
+Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
+Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
+---
+
+--- a/drivers/net/wireless/ath/ath9k/eeprom.c
++++ b/drivers/net/wireless/ath/ath9k/eeprom.c
+@@ -27,12 +27,7 @@ void ath9k_hw_analog_shift_regwrite(stru
+ void ath9k_hw_analog_shift_rmw(struct ath_hw *ah, u32 reg, u32 mask,
+ 			       u32 shift, u32 val)
+ {
+-	u32 regVal;
+-
+-	regVal = REG_READ(ah, reg) & ~mask;
+-	regVal |= (val << shift) & mask;
+-
+-	REG_WRITE(ah, reg, regVal);
++	REG_RMW(ah, reg, ((val << shift) & mask), mask);
+ 
+ 	if (ah->config.analog_shiftreg)
+ 		udelay(100);