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Commit 8d1bd2af authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

ath9k_hw: increase tx abort timeout for half/quarter channels 



Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent feb7bc99

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

+9 −1
Original line number Diff line number Diff line
@@ -133,8 +133,16 @@ EXPORT_SYMBOL(ath9k_hw_updatetxtriglevel); 


void ath9k_hw_abort_tx_dma(struct ath_hw *ah)

{

	int maxdelay = 1000;

	int i, q;



	if (ah->curchan) {

		if (IS_CHAN_HALF_RATE(ah->curchan))

			maxdelay *= 2;

		else if (IS_CHAN_QUARTER_RATE(ah->curchan))

			maxdelay *= 4;

	}



	REG_WRITE(ah, AR_Q_TXD, AR_Q_TXD_M);



	REG_SET_BIT(ah, AR_PCU_MISC, AR_PCU_FORCE_QUIET_COLL | AR_PCU_CLEAR_VMF);
@@ -142,7 +150,7 @@ void ath9k_hw_abort_tx_dma(struct ath_hw *ah) 
	REG_SET_BIT(ah, AR_D_GBL_IFS_MISC, AR_D_GBL_IFS_MISC_IGNORE_BACKOFF);



	for (q = 0; q < AR_NUM_QCU; q++) {

		for (i = 0; i < 1000; i++) {

		for (i = 0; i < maxdelay; i++) {

			if (i)

				udelay(5);