[PATCH 2/3 v4] P4080/mtd: Only make elbc nand driver detect nand flash partitions

[Zang Roy-R61911]

> -----Original Message-----
> From: Anton Vorontsov [mailto:cbouatmailru at gmail.com]
> Sent: Monday, September 20, 2010 21:19 PM
> To: Zang Roy-R61911
> Cc: linux-mtd at lists.infradead.org; dwmw2 at infradead.org; dedekind1 at gmail.com;
> akpm at linux-foundation.org; Lan Chunhe-B25806; Wood Scott-B07421; Gala Kumar-
> B11780; linuxppc-dev at ozlabs.org
> Subject: Re: [PATCH 2/3 v4] P4080/mtd: Only make elbc nand driver detect nand
> flash partitions
> 
> On Fri, Sep 17, 2010 at 03:01:08PM +0800, Roy Zang wrote:
> [...]
> > +static struct mutex fsl_elbc_nand_mutex;
> > +
> > +static int __devinit fsl_elbc_nand_probe(struct platform_device *dev)
> >  {
> > -	struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
> > +	struct fsl_lbc_regs __iomem *lbc;
> >  	struct fsl_elbc_mtd *priv;
> >  	struct resource res;
> > +	struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = NULL;
> 
> No need for = NULL.
Any harm? Or just personal habit or style? Can you explain about why?
Thanks.
Roy