sky2: more receive shutdown

Reset more parts of the receive path when device is take offline.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 5de2a9063b2b..e4e24ee00fb2 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1151,7 +1151,14 @@ stopped:
 
         /* reset the Rx prefetch unit */
         sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET);
-        mmiowb();
+
+        /* Reset the RAM Buffer receive queue */
+        sky2_write8(hw, RB_ADDR(rxq, RB_CTRL), RB_RST_SET);
+
+        /* Reset Rx MAC FIFO */
+        sky2_write8(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), GMF_RST_SET);
+
+        sky2_read8(hw, B0_CTST);
 }
 
 /* Clean out receive buffer area, assumes receiver hardware stopped */