Re: [PATCH v1 1/5] PM: sleep: Fix runtime PM issue in dpm_resume()
From: Saravana Kannan
Date: Fri Mar 14 2025 - 16:50:18 EST
On Fri, Mar 14, 2025 at 1:47 PM Pavel Machek <pavel@xxxxxx> wrote:
>
> Hi!
>
> > Some devices might have their is_suspended flag set to false. In these
> > cases, dpm_resume() should skip doing anything for those devices.
> > However, runtime PM enable and a few others steps are done before
> > checking for this flag. Fix it so that we do things in the right order.
> >
> > Signed-off-by: Saravana Kannan <saravanak@xxxxxxxxxx>
> > ---
> > drivers/base/power/main.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
> > index 4a67e83300e1..86e51b9fefab 100644
> > --- a/drivers/base/power/main.c
> > +++ b/drivers/base/power/main.c
> > @@ -913,6 +913,9 @@ static void device_resume(struct device *dev, pm_message_t state, bool async)
> > if (dev->power.syscore)
> > goto Complete;
> >
> > + if (!dev->power.is_suspended)
> > + goto Unlock;
> > +
>
> This needs to be goto Complete, right?
Yeah, it's a bug even I pointed out in another email. But Rafael send
a new proper fixed up patch that I Reviewed-by.
-Saravana
> Pavel
> --
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