Network PHYs consume a noticable amount of power. This adds phy_resume on slave_open and phy_suspend on slave_stop to save this power if the port is down anyway.
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/ti/cpsw.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 90d41d2..f1dc54f 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1013,6 +1013,7 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) } else { dev_info(priv->dev, "phy found : id is : 0x%x\n", slave->phy->phy_id); + phy_resume(slave->phy); phy_start(slave->phy); /* Configure GMII_SEL register */ @@ -1081,6 +1082,7 @@ static void cpsw_slave_stop(struct cpsw_slave *slave, struct cpsw_priv *priv) if (!slave->phy) return; phy_stop(slave->phy); + phy_suspend(slave->phy); phy_disconnect(slave->phy); slave->phy = NULL; } -- 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/
