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phy: atheros: Explicitly disable RGMII delays

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To eliminate any doubts about the out-of-reset value of the PHY, that
the driver previously relied on.

If bisecting shows that this commit breaks your board you probably have
a wrong PHY interface mode. You probably want the
PHY_INTERFACE_MODE_RGMII_RXID or PHY_INTERFACE_MODE_RGMII_ID mode.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Vladimir Oltean 2020-05-07 00:11:51 +02:00 committed by Tom Rini
parent a234ae863a
commit 13114f38e2
1 changed files with 8 additions and 0 deletions
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8
drivers/net/phy/atheros.c
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@ -70,10 +70,14 @@ static int ar8031_config(struct phy_device *phydev)
if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID || if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID ||
phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
ar803x_enable_tx_delay(phydev, true); ar803x_enable_tx_delay(phydev, true);
else
ar803x_enable_tx_delay(phydev, false);
if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID || if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID ||
phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
ar803x_enable_rx_delay(phydev, true); ar803x_enable_rx_delay(phydev, true);
else
ar803x_enable_rx_delay(phydev, false);
phydev->supported = phydev->drv->features; phydev->supported = phydev->drv->features;
@ -96,10 +100,14 @@ static int ar8035_config(struct phy_device *phydev)
if ((phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) || if ((phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
(phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID))
ar803x_enable_tx_delay(phydev, true); ar803x_enable_tx_delay(phydev, true);
else
ar803x_enable_tx_delay(phydev, false);
if ((phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) || if ((phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
(phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)) (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID))
ar803x_enable_rx_delay(phydev, true); ar803x_enable_rx_delay(phydev, true);
else
ar803x_enable_rx_delay(phydev, false);
phydev->supported = phydev->drv->features; phydev->supported = phydev->drv->features;