2012-10-05 16:15:55 +00:00
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--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
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+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
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2013-06-15 20:14:06 +00:00
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@@ -1136,6 +1136,10 @@ skip_ws_det:
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2012-10-05 16:15:55 +00:00
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* is_on == 0 means MRC CCK is OFF (more noise imm)
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*/
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bool is_on = param ? 1 : 0;
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+
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+ if (ah->caps.rx_chainmask == 1)
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+ break;
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+
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REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL,
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AR_PHY_MRC_CCK_ENABLE, is_on);
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REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL,
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