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net: fec: Don't use disabled phys

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If a phy is disabled, don't use it. This matches Linux's behavior.

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
This commit is contained in:
Sean Anderson 2021-04-15 13:06:08 -04:00 committed by Stefano Babic
parent cecd013fdf
commit eccd132974
1 changed files with 9 additions and 6 deletions
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15
drivers/net/fec_mxc.c
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@ -1299,16 +1299,19 @@ static const struct eth_ops fecmxc_ops = {
static int device_get_phy_addr(struct fec_priv *priv, struct udevice *dev)
{
struct ofnode_phandle_args phandle_args;
int reg;
int reg, ret;
if (dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,
&phandle_args)) {
debug("Failed to find phy-handle");
return -ENODEV;
ret = dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,
&phandle_args);
if (ret) {
debug("Failed to find phy-handle (err = %d\n)", ret);
return ret;
}
priv->phy_of_node = phandle_args.node;
if (!ofnode_is_available(phandle_args.node))
return -ENOENT;
priv->phy_of_node = phandle_args.node;
reg = ofnode_read_u32_default(phandle_args.node, "reg", 0);
return reg;