Re: [PATCH Intenal 1/2] EDAC/amd64: Add support for AMD family 1Ah models 80h-8Fh

[Yazen Ghannam]

On Wed, Sep 23, 2026 at 04:50:02PM +0530, Vishal Badole wrote:
> Add support for family 1Ah-based models 80h-8Fh.
> 
> Signed-off-by: Vishal Badole <Vishal.Badole@xxxxxxx>
> ---
>  drivers/edac/amd64_edac.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
> index c6aa69dbd9fb..ff0ebc8e15f6 100644
> --- a/drivers/edac/amd64_edac.c
> +++ b/drivers/edac/amd64_edac.c
> @@ -3900,6 +3900,10 @@ static int per_family_init(struct amd64_pvt *pvt)
>  			pvt->max_mcs            = 16;
>  			pvt->flags.zn_regs_v2   = 1;
>  			break;
> +		case 0x80 ... 0x8f:
> +			pvt->max_mcs            = 2;

Should this be '4'?

In documentation, I see 4 UMC MCA banks, and the UMC register
definitions list UMC0-UMC3 instances.

Thanks,
Yazen