tg3: Initialize REG_BASE_ADDR at PCI config offset 120 to 0

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / net / ethernet / broadcom / tg3.c

diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 472305c..f3dd93b 100644 (file)
--- 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 &&