Network PHYs consume a noticable amount of power. This adds phy_resume on port start and phy_suspend on port stop to save this power if the port is down anyway. While at it, also properly start/stop the phy.
Signed-off-by: Sebastian Hesselbarth <[email protected]> --- Cc: David S. Miller <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] --- drivers/net/ethernet/marvell/mv643xx_eth.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index 00cd36e..55805b2 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -2097,6 +2097,8 @@ static void port_start(struct mv643xx_eth_private *mp) mv643xx_eth_get_settings(mp->dev, &cmd); phy_reset(mp); + phy_resume(mp->phy); + phy_start(mp->phy); mv643xx_eth_set_settings(mp->dev, &cmd); } @@ -2306,6 +2308,11 @@ static int mv643xx_eth_stop(struct net_device *dev) for (i = 0; i < mp->txq_count; i++) txq_deinit(mp->txq + i); + if (mp->phy) { + phy_stop(mp->phy); + phy_suspend(mp->phy); + } + return 0; } -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
