RE: usb: dwc3: use devm_xxx functions

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Hi Balbi,

> -----Original Message-----
> From: linux-usb-owner@xxxxxxxxxxxxxxx [mailto:linux-usb-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Felipe Balbi
> Sent: Wednesday, February 15, 2012 6:34 PM
> To: Chanho Park
> Cc: balbi@xxxxxx; gregkh@xxxxxxx; linux-usb@xxxxxxxxxxxxxxx; Kyungmin
> Park
> Subject: Re: usb: dwc3: use devm_xxx functions
> 
> Hi,
> 
> On Wed, Feb 15, 2012 at 06:27:55PM +0900, Chanho Park wrote:
> > @@ -595,9 +586,6 @@ static int __devexit dwc3_remove(struct
> platform_device *pdev)
> >  	}
> >
> >  	dwc3_core_exit(dwc);
> > -	release_mem_region(res->start, resource_size(res));
> > -	iounmap(dwc->regs);
> > -	kfree(dwc->mem);
> 
> don't you need to anyways call devm_kfree() here ?

We don't need devm_kfree in the xxx_remove function.
It is automatically freed on driver detach.
See http://www.kernel.org/doc/htmldocs/device-drivers/API-devm-kzalloc.html

> 
> --
> balbi

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