Re: FAILED: Patch "ACPI: CPPC: Use access_width over bit_width for system memory accesses" failed to apply to 5.15-stable tree

From: Easwar Hariharan
Date: Wed Mar 27 2024 - 11:49:41 EST


Hi Sasha,

On 3/27/2024 5:17 AM, Sasha Levin wrote:
> The patch below does not apply to the 5.15-stable tree.
> If someone wants it applied there, or to any other stable or longterm
> tree, then please email the backport, including the original git commit
> id to <stable@xxxxxxxxxxxxxxx>.
>
> Thanks,
> Sasha
>
> ------------------ original commit in Linus's tree ------------------
>
>>From 2f4a4d63a193be6fd530d180bb13c3592052904c Mon Sep 17 00:00:00 2001
> From: Jarred White <jarredwhite@xxxxxxxxxxxxxxxxxxx>
> Date: Fri, 1 Mar 2024 11:25:59 -0800
> Subject: [PATCH] ACPI: CPPC: Use access_width over bit_width for system memory
> accesses
>
> To align with ACPI 6.3+, since bit_width can be any 8-bit value, it
> cannot be depended on to be always on a clean 8b boundary. This was
> uncovered on the Cobalt 100 platform.
>

Please see the backport for this patch I sent earlier: https://lore.kernel.org/stable/6df99ad6-0402-4dcf-9a1c-7259436768dd@xxxxxxxxxxxxxxxxxxx/T/#u

Thanks,
Easwar