linux-kernel - Re: [PATCH 2/3] video: hx8357: Make IM pins optional

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Date:	Mon, 22 Jul 2013 17:30:44 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Maxime Ripard' <maxime.ripard@...e-electrons.com>,
	'Mike Galbraith' <bitbucket@...ine.de>
Cc:	'Andrew Morton' <akpm@...ux-foundation.org>,
	'Alexandre Belloni' <alexandre.belloni@...e-electrons.com>,
	hector.palacios@...i.com,
	'Thomas Petazzoni' <thomas@...e-electrons.com>,
	plagnioj@...osoft.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-fbdev@...r.kernel.org,
	Jingoo Han <jg1.han@...sung.com>
Subject: Re: [PATCH 2/3] video: hx8357: Make IM pins optional

On Friday, July 19, 2013 5:36 PM, Maxime Ripard wrote:
> On Tue, Jul 16, 2013 at 05:29:40AM +0200, Mike Galbraith wrote:
> > On Tue, 2013-07-16 at 09:49 +0900, Jingoo Han wrote:
> > > On Tuesday, July 16, 2013 12:27 AM, Maxime Ripard wrote:
> >
> > > > +
> > > > +			ret = devm_gpio_request_one(&spi->dev, lcd->im_pins[i],
> > > > +						    GPIOF_OUT_INIT_LOW, "im_pins");
> > >
> > > This makes a checkpatch warning such as 'WARNING: line over 80 characters'.
> > > How about the following?
> > >
> > > 			ret = devm_gpio_request_one(&spi->dev, lcd->im_pins[i],
> > > 						GPIOF_OUT_INIT_LOW, "im_pins");
> >
> > IIRC, some maintainers gripe (davem?) when they see such alignment,
> > preferring the original arg below arg alignment vs strict 80 column.
> 
> As far as I know, the coding guide styles are quite fuzzy about this:
>   - The new line is not required to be aligned with the braces above
>   - Yet, the emacs config given does indent like this.
>   - 80 characters is said not to be a hard limit

Even though 80 characters is not a hard limit, 80 characters is preferred
if possible.

> 
> I don't really know if there's a better solution here, except maybe:
> ret = devm_gpio_request_one(&spi-dev, lcd->im_pins[i],
> 			    GPIOF_OUT_INIT_LOW,
> 			    "im_pins");

Yes, I think that this can be used. :)


Best regards,
Jingoo Han

> 
> But it's not really a big deal, is it?
> 
> Maxime
> 
> --
> Maxime Ripard, Free Electrons
> Embedded Linux, Kernel and Android engineering
> http://free-electrons.com

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