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ath9k: avoid accessing MRC registers on single-chain devices
[pandora-kernel.git]
/
drivers
/
net
/
wireless
/
ath
/
ath9k
/
ar9003_phy.c
diff --git
a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index
73be7ff
..
f146824
100644
(file)
--- a/
drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/
drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@
-1016,6
+1016,10
@@
static bool ar9003_hw_ani_control(struct ath_hw *ah,
* is_on == 0 means MRC CCK is OFF (more noise imm)
*/
bool is_on = param ? 1 : 0;
+
+ if (ah->caps.rx_chainmask == 1)
+ break;
+
REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL,
AR_PHY_MRC_CCK_ENABLE, is_on);
REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL,