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authorAntoine Tenart <antoine.tenart@bootlin.com>2019-04-02 15:10:28 +0200
committerDavid S. Miller <davem@davemloft.net>2019-04-03 21:45:48 -0700
commitaf3e28cb9b271c0898d8919931f275d6aaf82e93 (patch)
tree0ea5a8b19c6dcbca54b8786e454904295a835249 /drivers/net/phy/marvell10g.c
parent0fd128428a1494d01b826d201dad4cc6571bf2b5 (diff)
net: phy: marvell10g: implement suspend/resume callbacks
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>
Diffstat (limited to 'drivers/net/phy/marvell10g.c')
-rw-r--r--drivers/net/phy/marvell10g.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c
index 100b401b1f4a..619c1a4dbeb4 100644
--- a/drivers/net/phy/marvell10g.c
+++ b/drivers/net/phy/marvell10g.c
@@ -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);
}