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ath9k_hw: increase tx abort timeout for half/quarter channels 

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2012-04-19 21:18:29 +02:00 committed by John W. Linville
parent feb7bc9951
commit 8d1bd2afc5
1 changed files with 9 additions and 1 deletions
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10
drivers/net/wireless/ath/ath9k/mac.c
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@ -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);