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			32 lines
		
	
	
		
			972 B
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			32 lines
		
	
	
		
			972 B
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From: Felix Fietkau <nbd@openwrt.org>
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| Date: Sun, 7 Jun 2015 13:53:35 +0200
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| Subject: [PATCH] ath9k: force rx_clear when disabling rx
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| 
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| This makes stopping Rx more reliable and should reduce the frequency of
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| Rx related DMA stop warnings
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| 
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| Cc: stable@vger.kernel.org
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| Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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| ---
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| 
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| --- a/drivers/net/wireless/ath/ath9k/mac.c
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| +++ b/drivers/net/wireless/ath/ath9k/mac.c
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| @@ -677,13 +677,15 @@ void ath9k_hw_startpcureceive(struct ath
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|  
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|  	ath9k_ani_reset(ah, is_scanning);
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|  
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| -	REG_CLR_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
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| +	REG_CLR_BIT(ah, AR_DIAG_SW,
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| +		    AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT | AR_DIAG_FORCE_RX_CLEAR);
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|  }
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|  EXPORT_SYMBOL(ath9k_hw_startpcureceive);
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|  
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|  void ath9k_hw_abortpcurecv(struct ath_hw *ah)
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|  {
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| -	REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_ABORT | AR_DIAG_RX_DIS);
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| +	REG_SET_BIT(ah, AR_DIAG_SW,
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| +		    AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT | AR_DIAG_FORCE_RX_CLEAR);
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|  
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|  	ath9k_hw_disable_mib_counters(ah);
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|  }
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