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net: phy: DP83TC811: Fix SGMII enable/disable

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If SGMII was selected in the DT then the device should
write the SGMII enable bit.

If SGMII is not selected in the DT then the SGMII bit
should be disabled.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Murphy 2018-06-29 10:35:46 -05:00 • committed by David S. Miller
parent 4203638359
commit 00f553660a
1 changed files with 9 additions and 11 deletions
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20
drivers/net/phy/dp83tc811.c
View file

@ -284,21 +284,19 @@ static int dp83811_config_init(struct phy_device *phydev)
if (err < 0)
return err;
value = phy_read(phydev, MII_DP83811_SGMII_CTRL);
if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
value = phy_read(phydev, MII_DP83811_SGMII_CTRL);
if (!(value & DP83811_SGMII_EN)) {
err = phy_write(phydev, MII_DP83811_SGMII_CTRL,
err = phy_write(phydev, MII_DP83811_SGMII_CTRL,
(DP83811_SGMII_EN | value));
if (err < 0)
return err;
} else {
err = phy_write(phydev, MII_DP83811_SGMII_CTRL,
(~DP83811_SGMII_EN & value));
if (err < 0)
return err;
}
} else {
err = phy_write(phydev, MII_DP83811_SGMII_CTRL,
(~DP83811_SGMII_EN & value));
}
if (err < 0)
return err;
value = DP83811_WOL_MAGIC_EN | DP83811_WOL_SECURE_ON | DP83811_WOL_EN;
return phy_write_mmd(phydev, DP83811_DEVADDR, MII_DP83811_WOL_CFG,