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| author | Sean Anderson <sean.anderson@seco.com> | 2021-04-15 13:06:08 -0400 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2021-05-02 12:46:54 +0200 |
| commit | eccd132974f1f66247e72bbf3fd2bab71ab7d10e (patch) | |
| tree | 1c7db2c5a6119d035d7788b93c8b0aa034949abf | |
| parent | cecd013fdfc740612c171cb3ffa5cabd88ffa1de (diff) | |
| download | u-boot-eccd132974f1f66247e72bbf3fd2bab71ab7d10e.tar.gz | |
net: fec: Don't use disabled phys
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>
| -rw-r--r-- | drivers/net/fec_mxc.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index ec21157d71..59f5a14e54 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -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; |