linux-kernel - Re: [PATCH 1/1] mfd: palmas: Add power off control

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Date:	Fri, 15 Mar 2013 19:02:51 -0700
From:	Bill Huang <bilhuang@...dia.com>
To:	Stephen Warren <swarren@...dotorg.org>
CC:	Stephen Warren <swarren@...dia.com>,
	"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
	"gg@...mlogic.co.uk" <gg@...mlogic.co.uk>,
	"Laxman Dewangan" <ldewangan@...dia.com>,
	"broonie@...nsource.wolfsonmicro.com" 
	<broonie@...nsource.wolfsonmicro.com>,
	"ian@...mlogic.co.uk" <ian@...mlogic.co.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] mfd: palmas: Add power off control

On Sat, 2013-03-16 at 01:22 +0800, Stephen Warren wrote:
> On 03/14/2013 11:51 PM, Bill Huang wrote:
> > On Fri, 2013-03-15 at 13:19 +0800, Stephen Warren wrote:
> >> On 03/14/2013 04:58 AM, Bill Huang wrote:
> >>> Hook up "pm_power_off" to palmas power off routine if there is DT
> >>> property "ti,system-power-controller" defined, so platform which is
> >>> powered by this regulator can be powered off properly.
> >>
> >>> diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c
> >>
> >>> +	pdata->pm_off = of_property_read_bool(node,
> >>> +			"ti,system-power-controller");
> >>
> >> You would need to add that property to the DT binding documentation for
> >> this device.
> >
> > Does it work that some time later Laxmain helps to add it when he
> > submits his pmic bindings for Palmas?
> 
> I'll note that Ian Lartey and Graeme Gregory actually seem to be the
> people defining the PMIC bindings for Palmas. See:
> 
> http://comments.gmane.org/gmane.linux.documentation/9948
> 
> Or is Laxman planning to send some updates to that?
> 
> But irrespective of that no, I don't think that influences this at all;
> if you introduce driver support for new DT content, then either that DT
> content should already be documented in the binding, or this patch
> should add it to the documentation.

Thanks, here I just need to add a property into the DT bindings but
currently there is no any Palmas binding document exist so that means I
have to hold off the patch.


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