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Add a comment about this DELAY(), I'm not sure whether it's supposed

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to be for a DDR/FIFO flush or something else.
This commit is contained in:
adrian 2012-04-28 05:00:47 +00:00
parent bd74977b95
commit 252b5377f0
1 changed files with 4 additions and 0 deletions
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4
sys/dev/ath/if_ath.c
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@ -5417,6 +5417,10 @@ ath_stoprecv(struct ath_softc *sc, int dodelay)
ath_hal_stoppcurecv(ah); /* disable PCU */ ath_hal_stoppcurecv(ah); /* disable PCU */
ath_hal_setrxfilter(ah, 0); /* clear recv filter */ ath_hal_setrxfilter(ah, 0); /* clear recv filter */
ath_hal_stopdmarecv(ah); /* disable DMA engine */ 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) if (dodelay)
DELAY(3000); /* 3ms is long enough for 1 frame */ DELAY(3000); /* 3ms is long enough for 1 frame */
#ifdef ATH_DEBUG #ifdef ATH_DEBUG