linux-kernel - Re: [PATCH] Adds support for Open Firmware in MAX730x GPIO Driver

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Date:	Sat, 02 Mar 2013 21:16:56 +0000
From:	Grant Likely <grant.likely@...retlab.ca>
To:	leroy christophe <christophe.leroy@....fr>,
	Linus Walleij <linus.walleij@...aro.org>
Cc:	linux-kernel@...r.kernel.org,
	Patrick Vasseur <patrick.vasseur@....fr>
Subject: Re: [PATCH] Adds support for Open Firmware in MAX730x GPIO Driver

On Fri, 01 Mar 2013 07:29:17 +0100, leroy christophe <christophe.leroy@....fr> wrote:
> 
> Le 01/03/2013 01:43, Linus Walleij a écrit :
> > On Fri, Feb 22, 2013 at 10:26 AM, Christophe Leroy
> > <christophe.leroy@....fr> wrote:
> >
> >> This patch allows the use of the MAX730x Driver on systems using
> >> the Open Firmware platform format
> >>
> >> Signed-off-by: Patrick Vasseur <patrick.vasseur@....fr>
> >> Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
> > (...)
> >>          /* bits_per_word cannot be configured in platform data */
> >> -       spi->bits_per_word = 16;
> >> +       if (spi->dev.platform_data)
> >> +               spi->bits_per_word = 16;
> > What about just fixing so you *can* specify that instead?
> > The comment looks more like a FIXME to me.
> Euh, ok, why not. But here the purpose of my patch is to allow using 
> this driver with of_platform in addition to platform.
> This FIXME is not mine, it was already existing in that driver.
> As of_platform can configure bits per word, the only thing I did is to 
> add a test in order to not apply this FIXME on the of_platform case.
> 
> Do you think my patch is not acceptable like this ?

I would like to know /why/ this specific hunk is necessary. I cannot
tell from the context. That's the sort of thing that is very helpful to
have in the commit description. Otherwise the patch looks fine.

g.
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