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>

1 files changed, 1 insertions, 6 deletions

diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
index 971d770722cf..cc81482c934d 100644
--- 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(struct ath_hw *ah, u32 reg, u32 val)
 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);