linux-kernel - Re: [PATCH 5/8] PM: runtime: Add EXPORT[_GPL]_RUNTIME_DEV_PM

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Message-ID: <20220105104950.00001d6f@Huawei.com>
Date:   Wed, 5 Jan 2022 10:49:50 +0000
From:   Jonathan Cameron <Jonathan.Cameron@...wei.com>
To:     Paul Cercueil <paul@...pouillou.net>
CC:     "Rafael J . Wysocki" <rafael@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Jonathan Cameron <jic23@...nel.org>,
        "Lars-Peter Clausen" <lars@...afoo.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        "Arnd Bergmann" <arnd@...db.de>, Len Brown <len.brown@...el.com>,
        Pavel Machek <pavel@....cz>, <list@...ndingux.net>,
        <linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mips@...r.kernel.org>, <linux-mmc@...r.kernel.org>,
        <linux-pm@...r.kernel.org>
Subject: Re: [PATCH 5/8] PM: runtime: Add EXPORT[_GPL]_RUNTIME_DEV_PM_OPS
 macros

On Wed, 5 Jan 2022 10:07:23 +0000
Jonathan Cameron <Jonathan.Cameron@...wei.com> wrote:

> On Tue, 4 Jan 2022 21:42:11 +0000
> Paul Cercueil <paul@...pouillou.net> wrote:
> 
> > Similar to EXPORT[_GPL]_SIMPLE_DEV_PM_OPS, but for users with runtime-PM
> > suspend/resume callbacks.
> > 
> > Signed-off-by: Paul Cercueil <paul@...pouillou.net>  
> Follow up earlier comment.  I think you want pm_ptr() around all the
> entries for RUNTIME_PM_OPS
> 

That issue didn't exist... 
Acked-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>

> Jonathan
> 
> > ---
> >  include/linux/pm_runtime.h | 7 +++++++
> >  1 file changed, 7 insertions(+)
> > 
> > diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
> > index 4af454d29281..a7f862a26c03 100644
> > --- a/include/linux/pm_runtime.h
> > +++ b/include/linux/pm_runtime.h
> > @@ -36,6 +36,13 @@
> >  			   pm_runtime_force_resume, suspend_fn, \
> >  			   resume_fn, idle_fn)
> >  
> > +#define EXPORT_RUNTIME_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \
> > +	_EXPORT_DEV_PM_OPS(name, pm_runtime_force_suspend, pm_runtime_force_resume, \
> > +			   suspend_fn, resume_fn, idle_fn, "")
> > +#define EXPORT_GPL_RUNTIME_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \
> > +	_EXPORT_DEV_PM_OPS(name, pm_runtime_force_suspend, pm_runtime_force_resume, \
> > +			   suspend_fn, resume_fn, idle_fn, "_gpl")
> > +
> >  #ifdef CONFIG_PM
> >  extern struct workqueue_struct *pm_wq;
> >    
>