[TG3]: Workaround 5752 A0 chip ID
The 5752 A0 chip ID is wrong in hardware. The simplest way to workaround
it is to change it to the correct value in tp->pci_chip_rev_id. This
way, it is easier to check for the ASIC_REV_5752 in the rest of the
driver.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index f0b5dc7..a4d0d61 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7952,6 +7952,12 @@
tp->pci_chip_rev_id = (misc_ctrl_reg >>
MISC_HOST_CTRL_CHIPREV_SHIFT);
+ /* Wrong chip ID in 5752 A0. This code can be removed later
+ * as A0 is not in production.
+ */
+ if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
+ tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
+
/* Initialize misc host control in PCI block. */
tp->misc_host_ctrl |= (misc_ctrl_reg &
MISC_HOST_CTRL_CHIPREV);
@@ -7967,8 +7973,7 @@
tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752_A0 ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752_A1)
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||