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-rw-r--r--sys/dev/ath/if_ath.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/ath/if_ath.c b/sys/dev/ath/if_ath.c
index 5f322ab..09fc812 100644
--- a/sys/dev/ath/if_ath.c
+++ b/sys/dev/ath/if_ath.c
@@ -5417,6 +5417,10 @@ ath_stoprecv(struct ath_softc *sc, int dodelay)
ath_hal_stoppcurecv(ah); /* disable PCU */
ath_hal_setrxfilter(ah, 0); /* clear recv filter */
ath_hal_stopdmarecv(ah); /* disable DMA engine */
+ /*
+ * TODO: see if this particular DELAY() is required; it may be
+ * masking some missing FIFO flush or DMA sync.
+ */
if (dodelay)
DELAY(3000); /* 3ms is long enough for 1 frame */
#ifdef ATH_DEBUG
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