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ath9k_hw: Abort rx if hw is not coming out of full sleep in reset

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Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2010-04-15 17:39:41 -04:00 committed by John W. Linville
parent afe754d66f
commit 9b9cc61c46
3 changed files with 16 additions and 0 deletions
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7
drivers/net/wireless/ath/ath9k/hw.c
View file

@ -1137,6 +1137,13 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
ah->txchainmask = common->tx_chainmask;
ah->rxchainmask = common->rx_chainmask;
if (!ah->chip_fullsleep) {
ath9k_hw_abortpcurecv(ah);
if (!ath9k_hw_stopdmarecv(ah))
ath_print(common, ATH_DBG_XMIT,
"Failed to stop receive dma\n");
}
if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
return -EIO;

8
drivers/net/wireless/ath/ath9k/mac.c
View file

@ -747,6 +747,14 @@ void ath9k_hw_stoppcurecv(struct ath_hw *ah)
}
EXPORT_SYMBOL(ath9k_hw_stoppcurecv);
void ath9k_hw_abortpcurecv(struct ath_hw *ah)
{
REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_ABORT | AR_DIAG_RX_DIS);
ath9k_hw_disable_mib_counters(ah);
}
EXPORT_SYMBOL(ath9k_hw_abortpcurecv);
bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
{
#define AH_RX_STOP_DMA_TIMEOUT 10000 /* usec */

1
drivers/net/wireless/ath/ath9k/mac.h
View file

@ -711,6 +711,7 @@ bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set);
void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp);
void ath9k_hw_startpcureceive(struct ath_hw *ah);
void ath9k_hw_stoppcurecv(struct ath_hw *ah);
void ath9k_hw_abortpcurecv(struct ath_hw *ah);
bool ath9k_hw_stopdmarecv(struct ath_hw *ah);
int ath9k_hw_beaconq_setup(struct ath_hw *ah);