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

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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@xxxxxxxxxxxxxx>
> > 
> > Signed-off-by: Courtney Cavin <courtney.cavin@xxxxxxxxxxxxxx>
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx>
> > ---
> >  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.

> > +
> > +	return 0;
> > +}
> > +
> > +static const struct of_device_id pm8941_pwr_key_id_table[] = {
> > +	{ .compatible = "qcom,pm8941-pwrkey" },
> > +	{ }
> > +};
> > +MODULE_DEVICE_TABLE(of, pm8941_pwr_key_id_table);
> > +
> > +static struct platform_driver pm8941_pwrkey_driver = {
> > +	.probe		= pm8941_pwrkey_probe,
> > +	.remove		= pm8941_pwrkey_remove,
> > +	.driver		= {
> > +		.name	= "pm8941-pwrkey",
> > +		.owner	= THIS_MODULE,
> 
> This field can be removed because this driver which use the
> module_platform_driver api as this is overridden in
> platform_driver_register.
> 

Thanks

> > +		.pm	= &pm8941_pwr_key_pm_ops,
> > +		.of_match_table = of_match_ptr(pm8941_pwr_key_id_table),
> > +	},
> > +};
> > +module_platform_driver(pm8941_pwrkey_driver);
> > +
> > +MODULE_DESCRIPTION("PM8941 Power Key driver");
> > +MODULE_LICENSE("GPL v2");
> 
> May be you can add module author name.
> 

Courtney based this driver on the skeleton from pmic8xxx-pwrkey, so I don't
think it's right to say that there's any particular author. And you have the
git log...

Regards,
Bjorn
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