Re: [PATCH 4/4] ACPI: PCC: Cache OpRegion command timeout

"lihuisong (C)" <[email protected]> Tue, 21 Jul 2026 19:53:00 +0800
Newsgroups dev.linux.lists.acpica-devel,org.kernel.vger.linux-acpi,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
On 7/17/2026 4:10 PM, Sudeep Holla wrote:
> The PCC OperationRegion handler computes the same command completion
> wait timeout each time it sends a command. The timeout is derived from
> static channel properties, so compute it once when the PCC channel is
> set up and store the millisecond value in the mailbox client timeout
> field.
>
> Use the cached timeout when waiting for the OperationRegion command to
> complete. This keeps the timeout calculation in one place and avoids
> recomputing it for every command.
>
> Signed-off-by: Sudeep Holla <[email protected]>
> ---
LGTM,
Reviewed-by: Huisong Li <[email protected]>