diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2015-06-02 11:38:32 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-06-08 11:39:58 +0300 |
| commit | 300f77c08ded96d33f492aaa02549103852f0c12 (patch) | |
| tree | 646f40d7b20669c4599c0175f275b7bbda875d03 /drivers/net/wireless/ath | |
| parent | f2a800f5be75b0cc9cb436608d96b2703536480a (diff) | |
| download | linux-300f77c08ded96d33f492aaa02549103852f0c12.tar.xz | |
ath9k: fix DMA stop sequence for AR9003+
AR93xx and newer needs to stop rx before tx to avoid getting the DMA
engine or MAC into a stuck state.
This should reduce/fix the occurence of "Failed to stop Tx DMA" logspam.
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index d285e3a89853..cfd45cb8ccfc 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -216,11 +216,13 @@ static bool ath_prepare_reset(struct ath_softc *sc) ath_stop_ani(sc); ath9k_hw_disable_interrupts(ah); - if (!ath_drain_all_txq(sc)) - ret = false; - - if (!ath_stoprecv(sc)) - ret = false; + if (AR_SREV_9300_20_OR_LATER(ah)) { + ret &= ath_stoprecv(sc); + ret &= ath_drain_all_txq(sc); + } else { + ret &= ath_drain_all_txq(sc); + ret &= ath_stoprecv(sc); + } return ret; } |