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net: sun8i-emac: Add support for fixed-link phy

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Make the "phy-handle" property optional, which allows support
for a fixed-link phy configuration.

Thus if the "phy-handle" is present in a DT, then driver will work as
before. Otherwise, phyaddr initialization will not be necessary,
as it is not needed in case of a fixed-link config.

Signed-off-by: Maksim Kiselev <bigunclemax@gmail.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
This commit is contained in:
Maksim Kiselev 2024-01-20 19:26:24 +03:00 committed by Andre Przywara
parent 1cca1011cb
commit 2bfab76f4c
1 changed files with 2 additions and 5 deletions
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5
drivers/net/sun8i_emac.c
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@ -833,10 +833,7 @@ static int sun8i_emac_eth_of_to_plat(struct udevice *dev)
priv->use_internal_phy = false;
offset = fdtdec_lookup_phandle(gd->fdt_blob, node, "phy-handle");
if (offset < 0) {
debug("%s: Cannot find PHY address\n", __func__);
return -EINVAL;
}
if (offset >= 0)
priv->phyaddr = fdtdec_get_int(gd->fdt_blob, offset, "reg", -1);
pdata->phy_interface = dev_read_phy_mode(dev);