linux-kernel - Re: [PATCH v4 5/9] Input: pmic8xxx-pwrkey

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Date:	Fri, 28 Feb 2014 10:32:37 -0800
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Josh Cartwright <joshc@...eaurora.org>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-input@...r.kernel.org
Subject: Re: [PATCH v4 5/9] Input: pmic8xxx-pwrkey - Migrate to DT

On 02/27, Josh Cartwright wrote:
> On Thu, Feb 27, 2014 at 05:55:16PM -0800, Stephen Boyd wrote:
> > The driver is only supported on DT enabled platforms. Convert the
> > driver to DT so that it can probe properly.
> > 
> > Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
> > ---
> > --- a/drivers/input/misc/pmic8xxx-pwrkey.c
> > +++ b/drivers/input/misc/pmic8xxx-pwrkey.c
> > @@ -172,7 +178,7 @@ static int pmic8xxx_pwrkey_probe(struct platform_device *pdev)
> >  	}
> >  
> >  	platform_set_drvdata(pdev, pwrkey);
> > -	device_init_wakeup(&pdev->dev, pdata->wakeup);
> > +	device_init_wakeup(&pdev->dev, 1);
> 
> Is there a particular reason you aren't providing a 'linux,wakeup'
> property for pwrkey?
> 

In all the users of this device I've never seen wakeup set to 0.
Given that this is a power key it makes sense because this is
used to wake up a phone from suspend (also see the comment above
device_init_wakeup() where power buttons are explicitly called
out).

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