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- From: Oleksij Rempel <[email protected]>
- 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 <[email protected]>
- Signed-off-by: Kalle Valo <[email protected]>
- ---
- --- 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);
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