Re: [char-misc-next] mei: gsc_proxy: match component when GSC is on different bus

From: Greg Kroah-Hartman
Date: Mon Feb 19 2024 - 05:40:11 EST


On Sun, Feb 11, 2024 at 03:04:08PM +0200, Tomas Winkler wrote:
> From: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
>
> On Arrow Lake S systems, MEI is no longer strictly connected to bus 0,
> while graphics remain exclusively on bus 0. Adapt the component
> matching logic to accommodate this change:
>
> Original behavior: Required both MEI and graphics to be on the same
> bus 0.
>
> New behavior: Only enforces graphics to be on bus 0 (integrated),
> allowing MEI to reside on any bus.
> This ensures compatibility with Arrow Lake S and maintains functionality
> for the legacy systems.
>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
> Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>

What commit id does this fix? How far back in stable kernels should it
go?

thanks,

greg k-h