netdev - Re: KSZ8795 fixes for v5.15

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Message-ID: <9e0efd14-ea5c-459f-a70c-b34e61bc47b1@lunn.ch>
Date: Sat, 7 Dec 2024 21:58:52 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Jörg Sommer <joerg@...so.de>
Cc: netdev@...r.kernel.org
Subject: Re: KSZ8795 fixes for v5.15

On Sat, Dec 07, 2024 at 09:44:46AM +0100, Jörg Sommer wrote:
> Hi,
> 
> it's me again with the KSZ8795 connected to TI_DAVINCI_EMAC. It works on
> v5.10.227 and now, I try to get this working on v5.15 (and then later
> versions). I found this patch [1] in the Microchip forum [2]. Someone put it
> together to make this chip work with v5.15. I applies fine on v5.15.173 and
> gets me to a point where the kernel detects the chip during boot. (It still
> doesn't work, but it's better with this patch than without.)
> 
> [1] https://forum.microchip.com/sfc/servlet.shepherd/document/download/0693l00000XiIt9AAF
> [2] https://forum.microchip.com/s/topic/a5C3l000000MfQkEAK/t388621
> 
> The driver code was restructured in 9f73e1 which contained some mistakes.
> These were fixed later with 4bdf79 (which is part of the patch), but was not
> backported to v5.15 as a grep shows:
> 
> $ git grep STATIC_MAC_TABLE_OVERRIDE'.*2[26]' v5.15.173
> v5.15.173:drivers/net/dsa/microchip/ksz8795.c:55:       [STATIC_MAC_TABLE_OVERRIDE]     = BIT(26),
> $ git grep STATIC_MAC_TABLE_OVERRIDE'.*2[26]' v6.6.62
> v6.6.62:drivers/net/dsa/microchip/ksz_common.c:334:     [STATIC_MAC_TABLE_OVERRIDE]     = BIT(22),
> 
> Can someone review this patch and apply it to the v5.15 branch?

Hi Jörg

Please see:

https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html

Option 2.

       Andrew