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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>
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@ -27,12 +27,7 @@ void ath9k_hw_analog_shift_regwrite(struct ath_hw *ah, u32 reg, u32 val)
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void ath9k_hw_analog_shift_rmw(struct ath_hw *ah, u32 reg, u32 mask,
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u32 shift, u32 val)
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{
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u32 regVal;
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regVal = REG_READ(ah, reg) & ~mask;
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regVal |= (val << shift) & mask;
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REG_WRITE(ah, reg, regVal);
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REG_RMW(ah, reg, ((val << shift) & mask), mask);
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if (ah->config.analog_shiftreg)
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udelay(100);
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