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authorbschmidt <bschmidt@FreeBSD.org>2010-12-18 15:45:10 +0000
committerbschmidt <bschmidt@FreeBSD.org>2010-12-18 15:45:10 +0000
commitf980e591e22e43542696242119c60e887326824b (patch)
treee9bc9dc15df3e5aa91d897bfb2665f6cd90748c0
parentf252b73cec3c319453bf4d2cfb0c2f6fd76a3dbf (diff)
downloadFreeBSD-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
-rw-r--r--sys/dev/wpi/if_wpi.c6
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,
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