Re: [PATCH RESEND] powerpc/configs: enable CONFIG_RAS to fix EDAC support

[Madhavan Srinivasan <maddy@linux.ibm.com>]

On 7/31/26 2:05 AM, Michael Walle wrote:
> On Thu Jul 30, 2026 at 8:56 PM CEST, Borislav Petkov wrote:
>> On Thu, Jul 30, 2026 at 12:52:18PM +0200, Michael Walle wrote:
>>> Before commit e3c4ff6d8c94 ("EDAC: Remove EDAC_MM_EDAC") EDAC_MM_EDAC
>>> selected RAS, after that commit, EDAC depends on RAS, but nobody enables
>>> it. Enable it in the config again.
>> I have no clue what you're trying to do but forcing RAS=y in that config
>> better have a real good reason why.
> I don't get what you are trying to say. CONFIG_EDAC_MPC85XX is
> enabled in the that config already. It's just that the mentioned
> commit broke it because it removed the "select RAS", while
> EDAC depends on it. So yeah, up to that commit it was always
> enabled in that particular config.
>
>> Oh and we cannot support CONFIG_EDAC_MPC85XX anymore due to lack of hw:
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/ras/ras.git/commit/?h=edac-misc&id=749c5102487b558cc7d73961a6d0da2fceaa022d
> Still, it's already enabled in that config and it somewhat recently
> got IMX9 support, so I guess NXP is interested in keeping it.
>
> That being said, I have the hardware, but right now I don't have
> much time personally. The best I could do is "Odd Fixes". (I also
> have two pending patches for that edac driver, yet to be posted to
> the ML).
I dont have hardware to test this config change and currently platform is
in odd fixes anyway. I can take it via ppc tree but definitely need 
community
help for testing fixes in future.
Maddy
> -michael