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authorRussell King <rmk+kernel@armlinux.org.uk>2021-06-03 14:01:10 +0100
committerDavid S. Miller <davem@davemloft.net>2021-06-03 15:24:34 -0700
commitfeb938fad63fb6fdd92ab082d0888ed5694af818 (patch)
treedb099db1710fade97b3e6e3f53e4290b6c2083ab
parente5118f5723ee9c8ed6cddb69b632a11f214e4c89 (diff)
net: phy: marvell: use phy_modify_changed() for marvell_set_polarity()
Rather than open-coding the phy_modify_changed() sequence, use this helper in marvell_set_polarity(). Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Marek BehĂșn <kabel@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/phy/marvell.c27
1 files changed, 6 insertions, 21 deletions
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)