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authorFelix Fietkau <nbd@openwrt.org>2010-11-20 03:08:47 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-11-22 15:19:31 -0500
commitd47844a014fada1a788719f6426bc7044f2a0fd8 (patch)
treed494b2054a2b02e2cf0e3bdfdac16131f1a492c8 /drivers
parent3bf30b56c4f0a1c4fae34050b7db4527c92891e8 (diff)
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ath9k: fix timeout on stopping rx dma
It seems that using ath9k_hw_stoppcurecv to stop rx dma is not enough. When it's time to stop DMA, the PCU is still busy, so the rx enable bit never clears. Using ath9k_hw_abortpcurecv helps with getting rx stopped much faster, with this change, I cannot reproduce the rx stop related WARN_ON anymore. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ath/ath9k/recv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index c76ea53c20c..1a62e351ec7 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -518,7 +518,7 @@ bool ath_stoprecv(struct ath_softc *sc)
bool stopped;
spin_lock_bh(&sc->rx.rxbuflock);
- ath9k_hw_stoppcurecv(ah);
+ ath9k_hw_abortpcurecv(ah);
ath9k_hw_setrxfilter(ah, 0);
stopped = ath9k_hw_stopdmarecv(ah);