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net: ksz9477: add port_probe function to config phy

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Add a port_probe function to configure the phy. This leads to
earlier link negotiation so the port is more likely to be ready
when used.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
This commit is contained in:
Tim Harvey 2023-02-07 15:37:18 -08:00 committed by Tom Rini
parent 2b7252953c
commit 1416b80de4
1 changed files with 13 additions and 13 deletions
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26
drivers/net/ksz9477.c
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@ -337,11 +337,21 @@ static int ksz_port_setup(struct udevice *dev, int port,
return 0;
}
static int ksz_port_probe(struct udevice *dev, int port, struct phy_device *phy)
{
int supported = PHY_GBIT_FEATURES;
/* configure phy */
phy->supported &= supported;
phy->advertising &= supported;
return phy_config(phy);
}
static int ksz_port_enable(struct udevice *dev, int port, struct phy_device *phy)
{
struct dsa_pdata *pdata = dev_get_uclass_plat(dev);
struct ksz_dsa_priv *priv = dev_get_priv(dev);
int supported = PHY_GBIT_FEATURES;
u8 data8;
int ret;
@ -365,23 +375,12 @@ static int ksz_port_enable(struct udevice *dev, int port, struct phy_device *phy
if (port == pdata->cpu_port)
return 0;
/* configure phy */
phy->supported &= supported;
phy->advertising &= supported;
ret = phy_config(phy);
if (ret)
return ret;
ret = phy_startup(phy);
if (ret)
return ret;
/* start switch */
ksz_read8(priv->dev, REG_SW_OPERATION, &data8);
data8 |= SW_START;
ksz_write8(priv->dev, REG_SW_OPERATION, data8);
return 0;
return phy_startup(phy);
}
static void ksz_port_disable(struct udevice *dev, int port, struct phy_device *phy)
@ -410,6 +409,7 @@ static void ksz_port_disable(struct udevice *dev, int port, struct phy_device *p
}
static const struct dsa_ops ksz_dsa_ops = {
.port_probe = ksz_port_probe,
.port_enable = ksz_port_enable,
.port_disable = ksz_port_disable,
};