Re: [PATCH 1/2] input: Add Qualcomm PM8941 power key driver

Dmitry Torokhov
2014-10-07T23:42:24Z

On Tue, Oct 07, 2014 at 04:30:46PM -0700, Bjorn Andersson wrote:
> On Tue 07 Oct 02:54 PDT 2014, Kiran Padwal wrote:
>
> > On Tuesday 07 October 2014 06:42 AM, Bjorn Andersson wrote:
> > > From: Courtney Cavin <courtney.cavin@sonymobile.com>
> > >
> > > Signed-off-by: Courtney Cavin <courtney.cavin@sonymobile.com>
> > > Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
> > > ---
> > > drivers/input/misc/Kconfig | 12 +++
> > > drivers/input/misc/Makefile | 1 +
> > > drivers/input/misc/pm8941-pwrkey.c | 196 ++++++++++++++++++++++++++++++++++++
> >
> > <snip>
> >
> > > +
> > > + platform_set_drvdata(pdev, pwrkey);
> > > + device_init_wakeup(&pdev->dev, 1);
> > > +
> > > + return 0;
> > > +}
> > > +
> > > +static int pm8941_pwrkey_remove(struct platform_device *pdev)
> > > +{
> > > + device_init_wakeup(&pdev->dev, 0);
> >
> > Shouldn't we unregister input device?
> >
>
> It's allocated with devm_input_allocate_device() so I assumed that it goes away
> upon the device being removed. Looking at input_register_device() seems to
> confirm that.

Yes, devices allocated with devm_input_allocate_device() will be
unregistered and freed automatically.

Thanks.

--
Dmitry