From: Ayaz Abdulla <aabdulla@nvidia.com>
To: Manfred Spraul <manfred@colorfullife.com>,
Jeff Garzik <jgarzik@pobox.com>, Andrew Morton <akpm@osdl.org>,
"David S. Miller" <davem@davemloft.net>,
nedev <netdev@vger.kernel.org>
Subject: [PATCH 2/5] forcedeth: msi interrupt fix
Date: Fri, 06 Feb 2009 14:27:24 -0500 [thread overview]
Message-ID: <498C8F1C.2000108@nvidia.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 237 bytes --]
This patch fixes an issue with the suspend/resume cycle with msi
interrupts. See bugzilla number 10487 for more details. The fix is to
re-setup a private msi pci config offset field.
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
[-- Attachment #2: patch-forcedeth-msi-pci-config --]
[-- Type: text/plain, Size: 661 bytes --]
--- old/drivers/net/forcedeth.c 2009-02-06 14:14:02.000000000 -0500
+++ new/drivers/net/forcedeth.c 2009-02-06 14:14:54.000000000 -0500
@@ -589,6 +589,9 @@
#define NV_MSI_X_VECTOR_TX 0x1
#define NV_MSI_X_VECTOR_OTHER 0x2
+#define NV_MSI_PRIV_OFFSET 0x68
+#define NV_MSI_PRIV_VALUE 0xffffffff
+
#define NV_RESTART_TX 0x1
#define NV_RESTART_RX 0x2
@@ -6074,6 +6077,8 @@
for (i = 0;i <= np->register_size/sizeof(u32); i++)
writel(np->saved_config_space[i], base+i*sizeof(u32));
+ pci_write_config_dword(pdev, NV_MSI_PRIV_OFFSET, NV_MSI_PRIV_VALUE);
+
netif_device_attach(dev);
if (netif_running(dev)) {
rc = nv_open(dev);
next reply other threads:[~2009-02-06 22:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-06 19:27 Ayaz Abdulla [this message]
2009-02-07 8:26 ` [PATCH 2/5] forcedeth: msi interrupt fix David Miller
-- strict thread matches above, loose matches on Subject: below --
2009-01-30 18:56 Ayaz Abdulla
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