From: Stephen Hemminger <shemminger@vyatta.com>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org
Subject: [PATCH 2/9] sky2: more receive shutdown
Date: Wed, 17 Jun 2009 10:30:33 -0700 [thread overview]
Message-ID: <20090617173139.582840975@vyatta.com> (raw)
In-Reply-To: 20090617173031.703636683@vyatta.com
[-- Attachment #1: sky2-shut1.patch --]
[-- Type: text/plain, Size: 704 bytes --]
Reset more parts of the receive path when device is take offline.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
--- a/drivers/net/sky2.c 2009-06-17 10:29:50.630937431 -0700
+++ b/drivers/net/sky2.c 2009-06-17 10:29:52.005685817 -0700
@@ -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 */
--
next prev parent reply other threads:[~2009-06-17 17:34 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-17 17:30 [PATCH 0/9] sky2 driver patches Stephen Hemminger
2009-06-17 17:30 ` [PATCH 1/9] sky2: turn off pause during shutdown Stephen Hemminger
2009-06-18 1:50 ` David Miller
2009-06-17 17:30 ` Stephen Hemminger [this message]
2009-06-18 1:50 ` [PATCH 2/9] sky2: more receive shutdown David Miller
2009-06-20 7:14 ` Graham Murray
2009-06-22 5:13 ` Graham Murray
2009-06-17 17:30 ` [PATCH 3/9] sky2: PCI irq issues Stephen Hemminger
2009-06-18 1:50 ` David Miller
2009-06-17 17:30 ` [PATCH 4/9] sky2: fix shutdown synchronization Stephen Hemminger
2009-06-18 1:50 ` David Miller
2009-06-18 23:25 ` Mike McCormack
2009-06-18 23:41 ` Stephen Hemminger
2009-06-18 23:53 ` Mike McCormack
2009-06-17 17:30 ` [PATCH 5/9] sky2: receive counter update Stephen Hemminger
2009-06-18 1:51 ` David Miller
2009-06-17 17:30 ` [PATCH 6/9] sky2: reduce default transmit ring Stephen Hemminger
2009-06-18 1:51 ` David Miller
2009-06-17 17:30 ` [PATCH 7/9] sky2: skb recycling Stephen Hemminger
2009-06-18 1:51 ` David Miller
2009-06-18 21:13 ` Brandeburg, Jesse
2009-06-18 21:22 ` Stephen Hemminger
2009-06-17 17:30 ` [PATCH 8/9] sky2: add GRO support Stephen Hemminger
2009-06-18 1:52 ` David Miller
2009-06-17 17:30 ` [PATCH 9/9] sky2: version 1.23 Stephen Hemminger
2009-06-18 1:52 ` David Miller
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