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Commit b6e4405b authored by Ayaz Abdulla's avatar Ayaz Abdulla Committed by David S. Miller
Browse files

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: default avatarAyaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cac1c52c

drivers/net/forcedeth.c

+5 −0
Original line number Diff line number Diff line
@@ -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);