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authorSiva Reddy Kallam <siva.kallam@broadcom.com>2017-12-22 16:05:29 +0530
committerDavid S. Miller <davem@davemloft.net>2017-12-27 11:09:06 -0500
commite60ee41aaf898584205a6af5c996860d0fe6a836 (patch)
treec43ca99751ae295a9427607190c7f3222fb99ee8 /drivers/net/ethernet/broadcom
parent4419bb1cedcda0272e1dc410345c5a1d1da0e367 (diff)
downloadlinux-e60ee41aaf898584205a6af5c996860d0fe6a836.tar.bz2
tg3: Enable PHY reset in MTU change path for 5720
A customer noticed RX path hang when MTU is changed on the fly while running heavy traffic with NCSI enabled for 5717 and 5719. Since 5720 belongs to same ASIC family, we observed same issue and same fix could solve this problem for 5720. Signed-off-by: Siva Reddy Kallam <siva.kallam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom')
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index a0caa71a8c3b..8995cfefbfcf 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -14239,7 +14239,8 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu)
*/
if (tg3_asic_rev(tp) == ASIC_REV_57766 ||
tg3_asic_rev(tp) == ASIC_REV_5717 ||
- tg3_asic_rev(tp) == ASIC_REV_5719)
+ tg3_asic_rev(tp) == ASIC_REV_5719 ||
+ tg3_asic_rev(tp) == ASIC_REV_5720)
reset_phy = true;
err = tg3_restart_hw(tp, reset_phy);