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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>
This commit is contained in:
Ayaz Abdulla 2009-02-07 00:24:15 -08:00 committed by David S. Miller
parent cac1c52c36
commit b6e4405bf7
1 changed files with 5 additions and 0 deletions
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5
drivers/net/forcedeth.c
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@ -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);