atl1: add PHY power save mode
Using vendor-provided magic, add code to enter power save mode
on the PHY. We'll need this for suspend and wake-on-lan.
Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 0afe522..3beb44e 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -638,21 +638,18 @@
}
/*
- *TODO: do something or get rid of this
+ * Force the PHY into power saving mode using vendor magic.
*/
#ifdef CONFIG_PM
-static s32 atl1_phy_enter_power_saving(struct atl1_hw *hw)
+static void atl1_phy_enter_power_saving(struct atl1_hw *hw)
{
-/* s32 ret_val;
- * u16 phy_data;
- */
+ atl1_write_phy_reg(hw, MII_DBG_ADDR, 0);
+ atl1_write_phy_reg(hw, MII_DBG_DATA, 0x124E);
+ atl1_write_phy_reg(hw, MII_DBG_ADDR, 2);
+ atl1_write_phy_reg(hw, MII_DBG_DATA, 0x3000);
+ atl1_write_phy_reg(hw, MII_DBG_ADDR, 3);
+ atl1_write_phy_reg(hw, MII_DBG_DATA, 0);
-/*
- ret_val = atl1_write_phy_reg(hw, ...);
- ret_val = atl1_write_phy_reg(hw, ...);
- ....
-*/
- return 0;
}
#endif