Commit 27a0cc56 authored by Felix Fietkau's avatar Felix Fietkau Committed by Sasha Levin

ath9k: fix DMA stop sequence for AR9003+

[ Upstream commit 300f77c0 ]

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: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
Signed-off-by: default avatarSasha Levin <sasha.levin@oracle.com>
parent d841d6d3
......@@ -212,11 +212,13 @@ 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;
}
......
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