diff options
| author | bschmidt <bschmidt@FreeBSD.org> | 2010-12-18 15:45:10 +0000 |
|---|---|---|
| committer | bschmidt <bschmidt@FreeBSD.org> | 2010-12-18 15:45:10 +0000 |
| commit | f980e591e22e43542696242119c60e887326824b (patch) | |
| tree | e9bc9dc15df3e5aa91d897bfb2665f6cd90748c0 /sys/dev/wpi | |
| parent | f252b73cec3c319453bf4d2cfb0c2f6fd76a3dbf (diff) | |
| download | FreeBSD-src-f980e591e22e43542696242119c60e887326824b.zip FreeBSD-src-f980e591e22e43542696242119c60e887326824b.tar.gz | |
Add 2 missing bus_dmamap_sync() calls. Those fix random 'scan timeout',
'could not set power mode', 'device config failed' and other errors due
reading invalid memory.
Obtained from: OpenBSD
MFC after: 3 days
Diffstat (limited to 'sys/dev/wpi')
| -rw-r--r-- | sys/dev/wpi/if_wpi.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/dev/wpi/if_wpi.c b/sys/dev/wpi/if_wpi.c index a2fb151..50c045c 100644 --- a/sys/dev/wpi/if_wpi.c +++ b/sys/dev/wpi/if_wpi.c @@ -1645,9 +1645,15 @@ wpi_notif_intr(struct wpi_softc *sc) struct wpi_rx_data *data; uint32_t hw; + bus_dmamap_sync(sc->shared_dma.tag, sc->shared_dma.map, + BUS_DMASYNC_POSTREAD); + hw = le32toh(sc->shared->next); while (sc->rxq.cur != hw) { data = &sc->rxq.data[sc->rxq.cur]; + + bus_dmamap_sync(sc->rxq.data_dmat, data->map, + BUS_DMASYNC_POSTREAD); desc = (void *)data->m->m_ext.ext_buf; DPRINTFN(WPI_DEBUG_NOTIFY, |
