linux-kernel - Re: [PATCH v1.1] gpiolib: append SFI helpers for GPIO API

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Date:	Mon, 03 Jun 2013 11:16:19 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Joe Perches <joe@...ches.com>
Cc:	Ryan Mallon <rmallon@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@...el.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Len Brown <lenb@...nel.org>, linux-kernel@...r.kernel.org,
	David Cohen <david.a.cohen@...el.com>,
	Grant Likely <grant.likely@...aro.org>
Subject: Re: [PATCH v1.1] gpiolib: append SFI helpers for GPIO API

On Sun, 2013-06-02 at 19:06 -0700, Joe Perches wrote: 
> On Mon, 2013-06-03 at 11:59 +1000, Ryan Mallon wrote:
> > On 31/05/13 19:27, Andy Shevchenko wrote:
> > Some trivial coding style comment below.

Thank you, Joe, for commenting this.

> > > +	for (i = 0; i < sfi_gpio_num_entry; i++, pentry++) {
> > > +		if (!strncmp(name, pentry->pin_name, SFI_NAME_LEN))
> > > +			return pentry->pin_no;
> > > +	}
> > 
> > Nitpick - Don't need the braces on the for loop.
> 
> I'm not Andy but I think it's preferable to keep the braces
> when there's an if in the for loop.

This is my point too.

> > > +	sfi_gpio_table = kmalloc(num * sizeof(*pentry), GFP_KERNEL);
> > 
> > Use kcalloc when you have a size and a count.
> 
> kmalloc_array unless you want zero'ed memory

One proposed to use kmemdup to clean up a bit. What do you think?

-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy
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