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ath9k: Fix TX queue draining

Browse source 
When TX DMA termination has failed, the HW has to be reset
completely. Doing a fast channel change in this case is insufficient.
Also, change the debug level of a couple of messages to FATAL.

Cc: [email protected]
Signed-off-by: Sujith <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Sujith 2009-12-14 14:57:08 +05:30 • committed by John W. Linville
commit e8009e9850
2 changed files with 3 additions and 3 deletions
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2
drivers/net/wireless/ath/ath9k/mac.c
View file

@ -186,7 +186,7 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
wait = wait_time;
while (ath9k_hw_numtxpending(ah, q)) {
if ((--wait) == 0) {
ath_print(common, ATH_DBG_QUEUE,
ath_print(common, ATH_DBG_FATAL,
"Failed to stop TX DMA in 100 "
"msec after killing last frame\n");
break;

4
drivers/net/wireless/ath/ath9k/xmit.c
View file

@ -1108,11 +1108,11 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
if (npend) {
int r;
ath_print(common, ATH_DBG_XMIT,
ath_print(common, ATH_DBG_FATAL,
"Unable to stop TxDMA. Reset HAL!\n");
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, sc->sc_ah->curchan, true);
r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false);
if (r)
ath_print(common, ATH_DBG_FATAL,
"Unable to reset hardware; reset status %d\n",