netdev - Fw: [Bug 217922] New: FEC driver not working for imx7dea-com board from kernel 6.1 or later

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Message-ID: <20230918080633.02d5ed06@hermes.local>
Date: Mon, 18 Sep 2023 08:06:33 -0700
From: Stephen Hemminger <stephen@...workplumber.org>
To: netdev@...r.kernel.org
Subject: Fw: [Bug 217922] New: FEC driver not working for imx7dea-com board
 from kernel 6.1 or later



Begin forwarded message:

Date: Mon, 18 Sep 2023 11:51:45 +0000
From: bugzilla-daemon@...nel.org
To: stephen@...workplumber.org
Subject: [Bug 217922] New: FEC driver not working for imx7dea-com board from kernel 6.1 or later


https://bugzilla.kernel.org/show_bug.cgi?id=217922

            Bug ID: 217922
           Summary: FEC driver not working for imx7dea-com board from
                    kernel 6.1 or later
           Product: Networking
           Version: 2.5
          Hardware: ARM
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Other
          Assignee: stephen@...workplumber.org
          Reporter: m-seo@....net
        Regression: No

Fast ethernet controller driver (fec) for imx7d cpu not working in kernel 6.1
or later.
Boot kernel error is:
[    1.860925] fec: probe of 30be0000.ethernet failed with error -12.

Kernel version from github:
https://github.com/embeddedartists/linux-imx/tree/ea_6.1.y

start driver succsessfully:

[    1.401249] fec 30be0000.ethernet eth0: registered PHC device 0

but have other problems to boot system.


Driver sources from embeddedartists repository compiled succsessfully with
small adjust of header files on kernel version 6.5.3. But fec driver failed
with error -12 too.

DTB file working successfully on kernel 5.15 and not changed now for kernel 6.1
- 6.5.

Where is mistake, who is use imx7d cpu with 6.1-6.5 kernel sucsessfully?

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