linux-kernel - Re: [PATCH 2/2] mfd: twl4030-power: use 'ti,system-power-controller' as alternative way to support system power off

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Message-ID: <20140916230537.GU25162@lee--X1>
Date:	Tue, 16 Sep 2014 16:05:37 -0700
From:	Lee Jones <lee.jones@...aro.org>
To:	Tony Lindgren <tony@...mide.com>
Cc:	Nishanth Menon <nm@...com>, Samuel Ortiz <sameo@...ux.intel.com>,
	linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] mfd: twl4030-power: use 'ti,system-power-controller'
 as alternative way to support system power off

On Mon, 08 Sep 2014, Tony Lindgren wrote:

> * Nishanth Menon <nm@...com> [140903 12:07]:
> > ti,system-power-controller is more or less the standard way of
> > indicating that the PMIC is the system wide power controller and hence
> > may be used to switch off the system. Almost ALL TI PMIC drivers and
> > many Maxim PMIC drivers follow the same style.
> > 
> > So support 'ti,system-power-controller' in addition to the usual
> > 'ti,use_poweroff' to indicate that the PMIC instance has control for
> > switching off the system.
> > 
> > Signed-off-by: Nishanth Menon <nm@...com>
> 
> Acked-by: Tony Lindgren <tony@...mide.com>

I assume you're going to resend this with the document modifications?
When you do, don't forget to apply Tony's Ack, as it will ensure a
faster merge.

> > ---
> >  drivers/mfd/twl4030-power.c |    3 +++
> >  1 file changed, 3 insertions(+)
> > 
> > diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
> > index 3bc969a..1c129ba 100644
> > --- a/drivers/mfd/twl4030-power.c
> > +++ b/drivers/mfd/twl4030-power.c
> > @@ -627,6 +627,9 @@ static bool twl4030_power_use_poweroff(const struct twl4030_power_data *pdata,
> >  	if (pdata && pdata->use_poweroff)
> >  		return true;
> >  
> > +	if (of_property_read_bool(node, "ti,system-power-controller"))
> > +		return true;
> > +
> >  	if (of_property_read_bool(node, "ti,use_poweroff"))
> >  		return true;
> >  

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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