netdev - [PATCH 09/20] tg3: 5785: Set port mode to MII when link down

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [day] [month] [year] [list]

Date:	Mon, 2 Nov 2009 16:27:02 -0800
From:	"Matt Carlson" <mcarlson@...adcom.com>
To:	davem@...emloft.net
cc:	netdev@...r.kernel.org, andy@...yhouse.net
Subject: [PATCH 09/20] tg3: 5785: Set port mode to MII when link down

This patch sets the port mode to MII when the link is down for the 5785.
Setting the port mode to MII instead of GMII saves power.

Signed-off-by: Matt Carlson <mcarlson@...adcom.com>
Reviewed-by: Michael Chan <mchan@...adcom.com>
---
 drivers/net/tg3.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 003ab53..d726da8 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1363,8 +1363,11 @@ static void tg3_adjust_link(struct net_device *dev)
 
 		if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
 			mac_mode |= MAC_MODE_PORT_MODE_MII;
-		else
+		else if (phydev->speed == SPEED_1000 ||
+			 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
 			mac_mode |= MAC_MODE_PORT_MODE_GMII;
+		else
+			mac_mode |= MAC_MODE_PORT_MODE_MII;
 
 		if (phydev->duplex == DUPLEX_HALF)
 			mac_mode |= MAC_MODE_HALF_DUPLEX;
-- 
1.6.4.4


--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html