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-rw-r--r--drivers/net/ethernet/broadcom/tg3.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 472305cdff4f..f3dd93b4aeaa 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -16503,6 +16503,9 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent)
/* Clear this out for sanity. */
tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
+ /* Clear TG3PCI_REG_BASE_ADDR to prevent hangs. */
+ tw32(TG3PCI_REG_BASE_ADDR, 0);
+
pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
&pci_state_reg);
if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&