diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2015-06-02 10:38:32 +0200 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2016-08-26 19:29:47 +0200 |
| commit | 77b69875c6eb3fa4bfcf7a3f4baf5a6de1a1d58d (patch) | |
| tree | 6d78eccb042e41761acdd388d702df7500205014 /drivers/net/wireless | |
| parent | 64b55dc5fc83fb884392fd4a68f6acad3c320676 (diff) | |
ath9k: fix DMA stop sequence for AR9003+
commit 300f77c08ded96d33f492aaa02549103852f0c12 upstream.
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.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stefan Guendhoer <stefan@guendhoer.com>
Diffstat (limited to 'drivers/net/wireless')
| -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 82a1b5b16..c7f23d271 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -195,11 +195,13 @@ static bool ath_prepare_reset(struct ath_softc *sc) ath9k_debug_samp_bb_mac(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; } |