tg3: Limit CLKREQ fix to A[01] of 57780 asic rev
This patch restricts the CLKREQ bugfix to the A0 and A1 revisions
of 57780 ASIC rev chips.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
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 c5c3d28..0501fb4 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -11992,7 +11992,8 @@
tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
+ tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 ||
+ tp->pci_chip_rev_id == CHIPREV_ID_57780_A1)
tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
}
} else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index f1016cb..b3347c4 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -95,6 +95,8 @@
#define CHIPREV_ID_5752_A1 0x6001
#define CHIPREV_ID_5714_A2 0x9002
#define CHIPREV_ID_5906_A1 0xc001
+#define CHIPREV_ID_57780_A0 0x57780000
+#define CHIPREV_ID_57780_A1 0x57780001
#define GET_ASIC_REV(CHIP_REV_ID) ((CHIP_REV_ID) >> 12)
#define ASIC_REV_5700 0x07
#define ASIC_REV_5701 0x00