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authorAdrian Chadd <adrian@FreeBSD.org>2013-05-10 10:06:45 +0000
committerAdrian Chadd <adrian@FreeBSD.org>2013-05-10 10:06:45 +0000
commit8328d6e4d416859891c2ad701c3258f7fe4690d7 (patch)
tree2c968a1e648997097ec0de74ead473137884e107
parent4343d321e2cff33dcd4ecfbc9ff00125dbc47726 (diff)
Notes
-rw-r--r--sys/dev/ath/if_ath.c16
-rw-r--r--sys/dev/ath/if_ath_tx_edma.c16
2 files changed, 30 insertions, 2 deletions
diff --git a/sys/dev/ath/if_ath.c b/sys/dev/ath/if_ath.c
index 6f5fb455662bc..5331fd028141e 100644
--- a/sys/dev/ath/if_ath.c
+++ b/sys/dev/ath/if_ath.c
@@ -4668,9 +4668,21 @@ ath_legacy_tx_drain(struct ath_softc *sc, ATH_RESET_TYPE reset_type)
if (sc->sc_debug & ATH_DEBUG_RESET)
ath_tx_dump(sc, &sc->sc_txq[i]);
#endif /* ATH_DEBUG */
- if (reset_type == ATH_RESET_NOLOSS)
+ if (reset_type == ATH_RESET_NOLOSS) {
ath_tx_processq(sc, &sc->sc_txq[i], 0);
- else
+ ATH_TXQ_LOCK(&sc->sc_txq[i]);
+ /*
+ * Free the holding buffer; DMA is now
+ * stopped.
+ */
+ ath_txq_freeholdingbuf(sc, &sc->sc_txq[i]);
+ /*
+ * Reset the link pointer to NULL; there's
+ * no frames to chain DMA to.
+ */
+ sc->sc_txq[i].axq_link = NULL;
+ ATH_TXQ_UNLOCK(&sc->sc_txq[i]);
+ } else
ath_tx_draintxq(sc, &sc->sc_txq[i]);
}
}
diff --git a/sys/dev/ath/if_ath_tx_edma.c b/sys/dev/ath/if_ath_tx_edma.c
index b86352ac1cda6..5498dd5c5ed6a 100644
--- a/sys/dev/ath/if_ath_tx_edma.c
+++ b/sys/dev/ath/if_ath_tx_edma.c
@@ -551,6 +551,22 @@ ath_edma_tx_drain(struct ath_softc *sc, ATH_RESET_TYPE reset_type)
*/
if (reset_type == ATH_RESET_NOLOSS) {
ath_edma_tx_processq(sc, 0);
+ for (i = 0; i < HAL_NUM_TX_QUEUES; i++) {
+ if (ATH_TXQ_SETUP(sc, i)) {
+ ATH_TXQ_LOCK(&sc->sc_txq[i]);
+ /*
+ * Free the holding buffer; DMA is now
+ * stopped.
+ */
+ ath_txq_freeholdingbuf(sc, &sc->sc_txq[i]);
+ /*
+ * Reset the link pointer to NULL; there's
+ * no frames to chain DMA to.
+ */
+ sc->sc_txq[i].axq_link = NULL;
+ ATH_TXQ_UNLOCK(&sc->sc_txq[i]);
+ }
+ }
} else {
for (i = 0; i < HAL_NUM_TX_QUEUES; i++) {
if (ATH_TXQ_SETUP(sc, i))