Messages in this thread Patch in this message | | | From | Antoine Tenart <> | Subject | [PATCH net-next v4 1/2] net: phy: marvell10g: implement suspend/resume callbacks | Date | Tue, 2 Apr 2019 15:10:28 +0200 |
| |
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> --- drivers/net/phy/marvell10g.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c index 80678919641d..9ee033c8a12b 100644 --- a/drivers/net/phy/marvell10g.c +++ b/drivers/net/phy/marvell10g.c @@ -51,6 +51,8 @@ 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, @@ -229,11 +231,19 @@ 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); } -- 2.20.1
| |