[TG3]: define TG3_FLG2_5750_PLUS flag

Define TG3_FLG2_5750_PLUS flag and set it in tg3_get_invariants for
ASIC_REV_5750 or ASIC_REV_5752.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/tg3.c

@@ -7949,6 +7949,10 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752))
 		tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
 
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+	    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_5750 ||
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
 		tp->tg3_flags2 |= TG3_FLG2_HW_TSO;

drivers/net/tg3.h

@@ -2101,6 +2101,7 @@ struct tg3 {
 #define TG3_FLG2_HW_TSO			0x00010000
 #define TG3_FLG2_SERDES_PREEMPHASIS	0x00020000
 #define TG3_FLG2_5705_PLUS		0x00040000
+#define TG3_FLG2_5750_PLUS		0x00080000
 
 	u32				split_mode_max_reqs;
 #define SPLIT_MODE_5704_MAX_REQ		3