This patch fixes a bug in a patch we backported.
This patch was cherry picked from upstream Linux because it references a
patch we backported in the fixes tag.
The first two patches are providing function needed by the last patch.
Fixes: 813ecda1f3 ("generic: backport phylink patches for PCS/PHY caps OPs")
Link: https://github.com/openwrt/openwrt/pull/21366
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
