linux-kernel - Re: [PATCH 1/2] phy: core: Add phy_pm_runtime

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Message-ID: <20190602101434.GA1126@atrey.karlin.mff.cuni.cz>
Date:   Sun, 2 Jun 2019 12:14:34 +0200
From:   Pavel Machek <pavel@....cz>
To:     Tony Lindgren <tony@...mide.com>
Cc:     Johan Hovold <johan@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-omap@...r.kernel.org, Sebastian Reichel <sre@...nel.org>
Subject: Re: [PATCH 1/2] phy: core: Add phy_pm_runtime_enabled

Hi!

> > > The phy driver may need to check phy_pm_runtime_enabled() in suspend as
> > > PM runtime for phy may be already disabled when phy power_off() is called.
> > > 
> > > Cc: Pavel Machek <pavel@....cz>
> > > Cc: Sebastian Reichel <sre@...nel.org>
> > > Signed-off-by: Tony Lindgren <tony@...mide.com>
> > > ---
> > >  drivers/phy/phy-core.c  | 9 +++++++++
> > >  include/linux/phy/phy.h | 6 ++++++
> > >  2 files changed, 15 insertions(+)
> > > 
> > > diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
> > > --- a/drivers/phy/phy-core.c
> > > +++ b/drivers/phy/phy-core.c
> > 
> > > diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
> > > --- a/include/linux/phy/phy.h
> > > +++ b/include/linux/phy/phy.h
> > > @@ -158,6 +158,7 @@ int phy_pm_runtime_get(struct phy *phy);
> > >  int phy_pm_runtime_get_sync(struct phy *phy);
> > >  int phy_pm_runtime_put(struct phy *phy);
> > >  int phy_pm_runtime_put_sync(struct phy *phy);
> > > +bool phy_pm_runtime_enabled(struct phy *phy);
> > >  void phy_pm_runtime_allow(struct phy *phy);
> > >  void phy_pm_runtime_forbid(struct phy *phy);
> > >  int phy_init(struct phy *phy);
> > > @@ -240,6 +241,11 @@ static inline int phy_pm_runtime_put_sync(struct phy *phy)
> > >  	return -ENOSYS;
> > >  }
> > >  
> > > +static inline bool phy_pm_runtime_enabled(struct phy *phy)
> > > +{
> > > +	return false
> > 
> > Missing semicolon.
> 
> Oops thanks for catching that. I guess I did not try building
> without CONFIG_GENERIC_PHY. Will fix and repost.

Did this series get lost/forgotten somewhere? Is it still needed? Any
way I can help?
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html