<err> eth_nxp_enet_mac: phy_configure_link failed with error: -88

[ofirshe]

Describe the bug

When a fixed link is configured, the eth_nxp_enet driver calls ret = phy_configure_link(phy, speeds, 0); (line 475), and it expects to receive -ENOTSUP. However, this behavior is likely broken after this commit, because the phy_configure_link function now checks whether DEVICE_API_GET(ethphy, dev)->cfg_link == NULL and returns -ENOSYS instead. As a result, the driver's initialization fails, causing Ethernet to become non-functional.

Regression

• This is a regression.

Steps to reproduce

No response

Relevant log output

<err> eth_nxp_enet_mac: phy_configure_link failed with error: -88

Impact

Major – Severely degrades functionality; workaround is difficult or unavailable.

Environment

No response

Additional Context

No response

[ofirshe]

cc @maass-hamburg

[dleach02]

@maass-hamburg I assigned this to you as the author bisected it to your commit 66329de

[dleach02]

I see that @ofirshe has a PR... thanks