From feb938fad63fb6fdd92ab082d0888ed5694af818 Mon Sep 17 00:00:00 2001 From: Russell King Date: Thu, 3 Jun 2021 14:01:10 +0100 Subject: net: phy: marvell: use phy_modify_changed() for marvell_set_polarity() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Rather than open-coding the phy_modify_changed() sequence, use this helper in marvell_set_polarity(). Signed-off-by: Russell King Reviewed-by: Andrew Lunn Reviewed-by: Marek Behún Signed-off-by: David S. Miller --- drivers/net/phy/marvell.c | 27 ++++++--------------------- 1 file changed, 6 insertions(+), 21 deletions(-) (limited to 'drivers/net/phy') diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index e6721c1c26c2..23751d95855b 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -367,39 +367,24 @@ static irqreturn_t marvell_handle_interrupt(struct phy_device *phydev) static int marvell_set_polarity(struct phy_device *phydev, int polarity) { - int reg; - int err; - int val; - - /* get the current settings */ - reg = phy_read(phydev, MII_M1011_PHY_SCR); - if (reg < 0) - return reg; + u16 val; - val = reg; - val &= ~MII_M1011_PHY_SCR_AUTO_CROSS; switch (polarity) { case ETH_TP_MDI: - val |= MII_M1011_PHY_SCR_MDI; + val = MII_M1011_PHY_SCR_MDI; break; case ETH_TP_MDI_X: - val |= MII_M1011_PHY_SCR_MDI_X; + val = MII_M1011_PHY_SCR_MDI_X; break; case ETH_TP_MDI_AUTO: case ETH_TP_MDI_INVALID: default: - val |= MII_M1011_PHY_SCR_AUTO_CROSS; + val = MII_M1011_PHY_SCR_AUTO_CROSS; break; } - if (val != reg) { - /* Set the new polarity value in the register */ - err = phy_write(phydev, MII_M1011_PHY_SCR, val); - if (err) - return err; - } - - return val != reg; + return phy_modify_changed(phydev, MII_M1011_PHY_SCR, + MII_M1011_PHY_SCR_AUTO_CROSS, val); } static int marvell_config_aneg(struct phy_device *phydev) -- cgit v1.2.3