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Commit 15a6321d authored by Rajkumar Manoharan's avatar Rajkumar Manoharan Committed by John W. Linville
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ath9k_hw: Fix hw reset failure with HTC driver 



The following commit removed DISABLE_REGWRITE_BUFFER ops. The unnecessary
REGWRITE_BUFFER_FLUSH was not removed properly which is causing failure on
hw reset.

Author: Felix Fietkau <nbd@openwrt.org>
Date:   Tue Oct 5 12:03:42 2010 +0200

    ath9k_hw: clean up register write buffering

Signed-off-by: default avatarRajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 388ac775

drivers/net/wireless/ath/ath9k/mac.c

+0 −4
Original line number Diff line number Diff line
@@ -491,8 +491,6 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q) 
	REG_WRITE(ah, AR_DMISC(q),

		  AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x2);



	REGWRITE_BUFFER_FLUSH(ah);



	if (qi->tqi_cbrPeriod) {

		REG_WRITE(ah, AR_QCBRCFG(q),

			  SM(qi->tqi_cbrPeriod, AR_Q_CBRCFG_INTERVAL) |
@@ -508,8 +506,6 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q) 
			  AR_Q_RDYTIMECFG_EN);

	}



	REGWRITE_BUFFER_FLUSH(ah);



	REG_WRITE(ah, AR_DCHNTIME(q),

		  SM(qi->tqi_burstTime, AR_D_CHNTIME_DUR) |

		  (qi->tqi_burstTime ? AR_D_CHNTIME_EN : 0));