linux-kernel - RE: [PATCH v1 01/11] drivers: usb: otg: add a new driver for omap usb2 phy

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Message-ID: <D958900912E20642BCBC71664EFECE3E6DDAD9FF96@BGMAIL02.nvidia.com>
Date:	Tue, 10 Jul 2012 11:33:23 +0530
From:	Venu Byravarasu <vbyravarasu@...dia.com>
To:	Rajendra Nayak <rnayak@...com>,
	Kishon Vijay Abraham I <kishon@...com>
CC:	"grant.likely@...retlab.ca" <grant.likely@...retlab.ca>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	"rob@...dley.net" <rob@...dley.net>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"b-cousson@...com" <b-cousson@...com>,
	"tony@...mide.com" <tony@...mide.com>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"balbi@...com" <balbi@...com>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"hvaibhav@...com" <hvaibhav@...com>
Subject: RE: [PATCH v1 01/11] drivers: usb: otg: add a new driver for omap
 usb2 phy

> > +
> > +#ifdef CONFIG_PM

Should it not be CONFIG_PM_SLEEP instead of just CONFIG_PM? 

> > +
> > +static int omap_usb2_runtime_suspend(struct device *dev)
> > +{
> > +	struct platform_device	*pdev = to_platform_device(dev);
> > +	struct omap_usb	*phy = platform_get_drvdata(pdev);
> > +


> > +static int __init usb2_omap_init(void)
> > +{
> > +	return platform_driver_register(&omap_usb2_driver);
> > +}
> > +arch_initcall(usb2_omap_init);
> > +
> > +static void __exit usb2_omap_exit(void)
> > +{
> > +	platform_driver_unregister(&omap_usb2_driver);
> > +}
> > +module_exit(usb2_omap_exit);
> > +

Do you really need arch_initcall here?
If not, then you can replace above two function calls with module_platform_driver().

> > +MODULE_ALIAS("platform: omap_usb2");
> > +MODULE_AUTHOR("Texas Instruments Inc.");
> > +MODULE_DESCRIPTION("OMAP USB2 PHY DRIVER");
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