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-rw-r--r--drivers/net/tg3.c3
-rw-r--r--drivers/net/tg3.h1
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index bd331174550..057e8ebc1b2 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -8214,6 +8214,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
}
tp->tx_mode = TX_MODE_ENABLE;
+ if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+ tp->tx_mode |= TX_MODE_MBUF_LOCKUP_FIX;
tw32_f(MAC_TX_MODE, tp->tx_mode);
udelay(100);
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 84ea0dca7d2..c245e809d42 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -469,6 +469,7 @@
#define TX_MODE_FLOW_CTRL_ENABLE 0x00000010
#define TX_MODE_BIG_BCKOFF_ENABLE 0x00000020
#define TX_MODE_LONG_PAUSE_ENABLE 0x00000040
+#define TX_MODE_MBUF_LOCKUP_FIX 0x00000100
#define MAC_TX_STATUS 0x00000460
#define TX_STATUS_XOFFED 0x00000001
#define TX_STATUS_SENT_XOFF 0x00000002