linux-kernel - Re: [PATCH v3] rtc: add devm_rtc_device

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Date:	Wed, 06 Mar 2013 06:12:44 +0000 (GMT)
From:	Jingoo Han <jg1.han@...sung.com>
To:	Venu Byravarasu <vbyravarasu@...dia.com>
Cc:	'Andrew Morton' <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	'Tejun Heo' <tj@...nel.org>, 'Greg KH' <greg@...ah.com>,
	'Alessandro Zummo' <a.zummo@...ertech.it>,
	"rtc-linux@...glegroups.com" <rtc-linux@...glegroups.com>,
	Jingoo Han <jg1.han@...sung.com>
Subject: Re: [PATCH v3] rtc: add devm_rtc_device_{register,unregister}()

On Wednesday, March 06, 2013 3:03 PM, Venu Byravarasu wrote:
> 
> > --- a/drivers/rtc/class.c
> > +++ b/drivers/rtc/class.c
> 
> > +/**
> > + * devm_rtc_device_register - resource managed rtc_device_register()
> > + * @name: the name of the device
> > + * @dev: the device to register
> > + * @ops: the rtc operations structure
> > + * @owner: the module owner
> > + *
> > + * @return a struct rtc on success, or an ERR_PTR on error
> > + *
> > + * Managed rtc_device_register(). The rtc_device returned from this
> > function
> > + * are automatically freed on driver detach. See rtc_device_register()
> > + * for more information.
> > + */
> > +
> > +struct rtc_device *devm_rtc_device_register(const char *name,
> > +					struct device *dev,
> 
> As most of devm_* functions use  " struct device *dev" as their first param,
> why not this function also modified to be in sync with them?

Yes, but, I want to sync with the form of rtc_device_register().
This function already uses 'struct device *dev' as second argument as below.

 struct rtc_device *rtc_device_register(const char *name, struct device *dev,
                                         const struct rtc_class_ops *ops,
                                         struct module *owner)

Best regards,
Jingoo Han

> 
> > +					const struct rtc_class_ops *ops,
> > +					struct module *owner)
> > +{
> > +	struct rtc_device **ptr, *rtc;