From c0bad0f2e4366d5bbfe0c4a7a80bca8f4b05272b Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Wed, 17 Jun 2009 07:30:33 +0000 Subject: sky2: more receive shutdown Reset more parts of the receive path when device is take offline. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- drivers/net/sky2.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'drivers') 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 */ -- cgit v1.2.3