Re: [PATCH v9 10/13] coresight: etm4x: exclude ss_status from drvdata->config

[Yeoreum Yun <yeoreum.yun@arm.com>]

On Tue, Aug 11, 2026 at 06:02:42PM +0100, Leo Yan wrote:
> On Sat, Jul 25, 2026 at 12:36:42PM +0100, Yeoreum Yun wrote:
> > The purpose of TRCSSCSRn register is to show status of
> > the corresponding Single-shot Comparator Control and input supports.
> 
> I vaguely remember that we discussed the issue with always clearing
> drvdata::ss_status in hw_enable(), which might result in single-shot
> does not work properly in a perf session.
> 
> This issue is not introduced by this patch, and I think we agreed to
> address it later. Could you document it in the commit log so that we
> can understand and track the issue later.

Okay. I'll add this in commit message.

> 
> > That means writable field's purpose for reset or restore from idle status
> > not for configuration.
> > 
> > Therefore, exclude ss_status from drvdata->config and move it to drvdata.
> > 
> > Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
> 
> With above amending:
> 
> Reviewed-by: Leo Yan <leo.yan@arm.com>

Thanks!

-- 
Sincerely,
Yeoreum Yun