From b6e4405bf7241ae91c497e021370066fcfb196c8 Mon Sep 17 00:00:00 2001 From: Ayaz Abdulla Date: Sat, 7 Feb 2009 00:24:15 -0800 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- drivers/net/forcedeth.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index da7c9ee069b5..47962ed4b04c 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); -- 2.39.2