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net: phy: marvell10g: implement suspend/resume callbacks

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This patch adds the suspend/resume callbacks for Marvell 10G PHYs. The
three PCS (base-t, base-r and 1000base-x) are set in low power (the PCS
are powered down) when the PHY isn't used.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Antoine Tenart 2019-04-02 15:10:28 +02:00 committed by David S. Miller
parent 0fd128428a
commit af3e28cb9b
1 changed files with 11 additions and 1 deletions
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12
drivers/net/phy/marvell10g.c
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@ -48,6 +48,8 @@ enum {
MV_AN_STAT1000 = 0x8001, /* 1000base-T status register */
/* Vendor2 MMD registers */
MV_V2_PORT_CTRL = 0xf001,
MV_V2_PORT_CTRL_PWRDOWN = 0x0800,
MV_V2_TEMP_CTRL = 0xf08a,
MV_V2_TEMP_CTRL_MASK = 0xc000,
MV_V2_TEMP_CTRL_SAMPLE = 0x0000,
@ -226,11 +228,19 @@ static int mv3310_probe(struct phy_device *phydev)
static int mv3310_suspend(struct phy_device *phydev)
{
return 0;
return phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
MV_V2_PORT_CTRL_PWRDOWN);
}
static int mv3310_resume(struct phy_device *phydev)
{
int ret;
ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
MV_V2_PORT_CTRL_PWRDOWN);
if (ret)
return ret;
return mv3310_hwmon_config(phydev, true);
}