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Message-Id: <20190301110047.20257-2-antoine.tenart@bootlin.com> Date: Fri, 1 Mar 2019 12:00:45 +0100 From: Antoine Tenart <antoine.tenart@...tlin.com> To: davem@...emloft.net, linux@...linux.org.uk, andrew@...n.ch, f.fainelli@...il.com, hkallweit1@...il.com Cc: Antoine Tenart <antoine.tenart@...tlin.com>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com, maxime.chevallier@...tlin.com, gregory.clement@...tlin.com, miquel.raynal@...tlin.com, nadavh@...vell.com, stefanc@...vell.com, mw@...ihalf.com Subject: [PATCH net-next v2 1/3] 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@...tlin.com> --- drivers/net/phy/marvell10g.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c index 79106e70010f..92462344c5ad 100644 --- a/drivers/net/phy/marvell10g.c +++ b/drivers/net/phy/marvell10g.c @@ -226,11 +226,25 @@ static int mv3310_probe(struct phy_device *phydev) static int mv3310_suspend(struct phy_device *phydev) { + phy_modify_mmd(phydev, MDIO_MMD_PCS, MV_PCS_BASE_T + MDIO_CTRL1, + MDIO_CTRL1_LPOWER, MDIO_CTRL1_LPOWER); + phy_modify_mmd(phydev, MDIO_MMD_PCS, MV_PCS_BASE_R + MDIO_CTRL1, + MDIO_CTRL1_LPOWER, MDIO_CTRL1_LPOWER); + phy_modify_mmd(phydev, MDIO_MMD_PCS, MV_PCS_1000BASEX + MDIO_CTRL1, + MDIO_CTRL1_LPOWER, MDIO_CTRL1_LPOWER); + return 0; } static int mv3310_resume(struct phy_device *phydev) { + phy_modify_mmd(phydev, MDIO_MMD_PCS, MV_PCS_BASE_T + MDIO_CTRL1, + MDIO_CTRL1_LPOWER, 0); + phy_modify_mmd(phydev, MDIO_MMD_PCS, MV_PCS_BASE_R + MDIO_CTRL1, + MDIO_CTRL1_LPOWER, 0); + phy_modify_mmd(phydev, MDIO_MMD_PCS, MV_PCS_1000BASEX + MDIO_CTRL1, + MDIO_CTRL1_LPOWER, 0); + return mv3310_hwmon_config(phydev, true); } -- 2.20.1
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