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[v3,14/18] ath9k: ath9k_hw_analog_shift_rmw: use REG_RMW

Message ID 1427049003-8443-15-git-send-email-linux@rempel-privat.de (mailing list archive)
State Accepted
Delegated to: Kalle Valo
Headers show

Commit Message

Oleksij Rempel March 22, 2015, 6:29 p.m. UTC 
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>
---
 drivers/net/wireless/ath/ath9k/eeprom.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)
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Patch

diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
index 971d770..cc81482 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);