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[15/18] ath9k: ath9k_hw_4k_set_board_values: use rmw buffer

Message ID 1426855138-6121-16-git-send-email-linux@rempel-privat.de (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show

Commit Message

Oleksij Rempel March 20, 2015, 12:38 p.m. UTC 
it will reduce exution time from 14ms to 2ms on ar9271

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
---
 drivers/net/wireless/ath/ath9k/eeprom_4k.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index 0600562..291c1d1 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -930,6 +930,7 @@  static void ath9k_hw_4k_set_board_values(struct ath_hw *ah,
 		}
 	}
 
+	ENABLE_REG_RMW_BUFFER(ah);
 	if (AR_SREV_9271(ah)) {
 		ath9k_hw_analog_shift_rmw(ah,
 					  AR9285_AN_RF2G3,
@@ -1034,6 +1035,7 @@  static void ath9k_hw_4k_set_board_values(struct ath_hw *ah,
 					  AR9285_AN_RF2G4_DB2_4_S,
 					  db2[4]);
 	}
+	REG_RMW_BUFFER_FLUSH(ah);
 
 
 	REG_RMW_FIELD(ah, AR_PHY_SETTLING, AR_PHY_SETTLING_SWITCH,