linux-kernel - Re: GPIO support for HTC Dream

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Date:	Thu, 10 Dec 2009 17:27:34 +0100
From:	Pavel Machek <pavel@....cz>
To:	Arve Hj?nnev?g <arve@...roid.com>
Cc:	Russell King - ARM Linux <linux@....linux.org.uk>,
	kernel list <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	Brian Swetland <swetland@...gle.com>,
	Daniel Walker <dwalker@...eaurora.org>,
	Iliyan Malchev <malchev@...gle.com>
Subject: Re: GPIO support for HTC Dream

On Wed 2009-12-09 03:42:43, Arve Hj?nnev?g wrote:
> On Wed, Dec 9, 2009 at 3:37 AM, Pavel Machek <pavel@....cz> wrote:
> > On Tue 2009-12-08 16:39:09, Arve Hj?nnev?g wrote:
> >> On Tue, Dec 8, 2009 at 2:45 PM, Russell King - ARM Linux
> >> <linux@....linux.org.uk> wrote:
> >> > On Tue, Dec 08, 2009 at 11:28:43AM +0100, Pavel Machek wrote:
> >> >> Add GPIO support for HTC Dream.
> >> >>
> >> >> Signed-off-by: Pavel Machek <pavel@....cz>
> >> >>
> >> >> diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
> >> >> index f780086..774c50e 100644
> >> >> --- a/arch/arm/mach-msm/Kconfig
> >> >> +++ b/arch/arm/mach-msm/Kconfig
> >> >> @@ -40,4 +40,8 @@ config MACH_TROUT
> >> >>       help
> >> >>         Support for the HTC Dream, T-Mobile G1, Android ADP1 devices.
> >> >>
> >> >> +config GENERIC_GPIO
> >> >> +     bool
> >> >> +     default y
> >> >
> >> > Please arrange for this to be handled just like every other ARM
> >> > platform via a 'select' statement - eg:
> >> >
> >> > config ARCH_AT91
> >> >        bool "Atmel AT91"
> >> >        select GENERIC_GPIO
> >> >        select ARCH_REQUIRE_GPIOLIB
> >> >        select HAVE_CLK
> >> >
> >> > It is not nice to have multiple definitions of the same symbol scattered
> >> > throughout the Kconfig files.
> >> >
> >>
> >> Why did this code get pulled into the dream gpio code? The original
> >> change that adds msm gpio support already selects GENERIC_GPIO
> >> (http://android.git.kernel.org/?p=kernel/msm.git;a=commit;h=5ae9f4403530a5782478c35d29753081750c4188).
> >> Since you copied half of the files from that change anyway, it would
> >> be better to just include that change in you patch set.
> >
> > I'm not sure how to do that with git without pulling all the changes
> > before that one, too :-(.
> 
> git cherry-pick

Ok, I'll try to remember that. But I do not push patches using git, so
I'm not sure how much difference it would make.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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