[moderation/CI] Re: net: pcs: Introduce support for fwnode PCS

syzbot ci has tested the following series

[v7] net: pcs: Introduce support for fwnode PCS
https://lore.kernel.org/all/[email protected]
* [PATCH net-next v7 01/12] net: phylink: keep and use MAC supported_interfaces in phylink struct
* [PATCH net-next v7 02/12] net: phylink: introduce internal phylink PCS handling
* [PATCH net-next v7 03/12] net: phylink: add phylink_release_pcs() to externally release a PCS
* [PATCH net-next v7 04/12] net: pcs: implement Firmware node support for PCS driver
* [PATCH net-next v7 05/12] net: phylink: support late PCS provider attach
* [PATCH net-next v7 06/12] net: Document PCS subsystem
* [PATCH net-next v7 07/12] MAINTAINERS: add myself as PCS subsystem maintainer
* [PATCH net-next v7 08/12] of: property: fw_devlink: Add support for "pcs-handle"
* [PATCH net-next v7 09/12] net: phylink: add .pcs_link_down PCS OP
* [PATCH net-next v7 10/12] dt-bindings: net: pcs: Document support for Airoha Ethernet PCS
* [PATCH net-next v7 11/12] net: pcs: airoha: add PCS driver for Airoha AN7581 SoC
* [PATCH net-next v7 12/12] net: airoha: add phylink support

and found the following issue:
kernel build error

Full report is available here:
https://ci.syzbot.org/series/8697e3f4-ead4-4d5d-9068-ed8aecbd0b54

***

kernel build error

tree:      net-next
URL:       https://kernel.googlesource.com/pub/scm/linux/kernel/git/netdev/net-next.git
base:      2319688890d97c63da423a3c57c23b4ab5952dfc
arch:      amd64
compiler:  Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
config:    https://ci.syzbot.org/builds/519594d7-0c1e-4dad-9a21-226aa905fdec/config

drivers/net/phy/phylink.c:2218:3: error: call to undeclared function 'unregister_fwnode_pcs_notifier'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]

***

If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
  Tested-by: [email protected]

---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at [email protected].

To test a patch for this bug, please reply with `#syz test`
(should be on a separate line).

The patch should be attached to the email.
Note: arguments like custom git repos and branches are not supported.

The email will later be sent to:
[[email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected]]

If the report looks fine to you, reply with:
#syz upstream

If the report is a false positive, reply with
#syz invalid