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authorAyaz Abdulla <aabdulla@nvidia.com>2009-02-07 00:24:15 -0800
committerDavid S. Miller <davem@davemloft.net>2009-02-07 00:24:15 -0800
commitb6e4405bf7241ae91c497e021370066fcfb196c8 (patch)
treea1f369143df2a7d657407f17ae48a6d6fbd34ffb /drivers/net/forcedeth.c
parentcac1c52c3621b46e3be49cf7887a7cfa393890de (diff)
downloadop-kernel-dev-b6e4405bf7241ae91c497e021370066fcfb196c8.zip
op-kernel-dev-b6e4405bf7241ae91c497e021370066fcfb196c8.tar.gz
forcedeth: msi interrupt fix
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> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/forcedeth.c')
-rw-r--r--drivers/net/forcedeth.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index da7c9ee..47962ed 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -589,6 +589,9 @@ union ring_type {
#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 @@ static int nv_resume(struct pci_dev *pdev)
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);
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