sky2: revert shutdown changes

The commit changes to shutdown path broke startup on some systems.

revert commit c0bad0f2e4366d5bbfe0c4a7a80bca8f4b05272b

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

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index daf961a..ba768df 100644 (file)
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1151,14 +1151,7 @@ stopped:
 
        /* reset the Rx prefetch unit */
        sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET);
-
-       /* 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);
+       mmiowb();
 }
 
 /* Clean out receive buffer area, assumes receiver hardware stopped */