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| author | adrian <adrian@FreeBSD.org> | 2012-04-28 05:00:47 +0000 |
|---|---|---|
| committer | adrian <adrian@FreeBSD.org> | 2012-04-28 05:00:47 +0000 |
| commit | 252b5377f06262000a4dcd75db5e5de72283952d (patch) | |
| tree | 858bebc76b04dec99a38400a2e74d83317ce23b8 /sys/dev/ath/if_ath.c | |
| parent | bd74977b95dd7056d2ce4b2d956b562f422b3e39 (diff) | |
| download | FreeBSD-src-252b5377f06262000a4dcd75db5e5de72283952d.zip FreeBSD-src-252b5377f06262000a4dcd75db5e5de72283952d.tar.gz | |
Add a comment about this DELAY(), I'm not sure whether it's supposed
to be for a DDR/FIFO flush or something else.
Diffstat (limited to 'sys/dev/ath/if_ath.c')
| -rw-r--r-- | sys/dev/ath/if_ath.c | 4 |
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 |
