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ath9k: fix invalid register access on single-stream ar93xx devices

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SVN-Revision: 33628
This commit is contained in:
Felix Fietkau 2012-10-05 16:15:55 +00:00
parent 8e6ea0d1b7
commit 8c37a0f098
1 changed files with 13 additions and 0 deletions
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13
package/mac80211/patches/567-ath9k_ani_mrc_fix.patch Normal file
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@ -0,0 +1,13 @@
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -1035,6 +1035,10 @@ static bool ar9003_hw_ani_control(struct
* 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,