tg3: Fix 5762 NVRAM sizing

Don't set the default size to 128K if it is 5762.  Instead, rely on the
size we obtain from NVRAM location 0xf0.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 3004d69596c3..7ac0bd008738 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -13883,7 +13883,8 @@ static void tg3_get_5720_nvram_info(struct tg3 *tp)
                         tp->nvram_size = TG3_NVRAM_SIZE_1MB;
                         break;
                 default:
-                        tp->nvram_size = TG3_NVRAM_SIZE_128KB;
+                        if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5762)
+                                tp->nvram_size = TG3_NVRAM_SIZE_128KB;
                         break;
                 }
                 break;
@@ -13929,7 +13930,8 @@ static void tg3_get_5720_nvram_info(struct tg3 *tp)
                         tp->nvram_size = TG3_NVRAM_SIZE_1MB;
                         break;
                 default:
-                        tp->nvram_size = TG3_NVRAM_SIZE_128KB;
+                        if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5762)
+                                tp->nvram_size = TG3_NVRAM_SIZE_128KB;
                         break;
                 }
                 break;