linux-kernel - Re: GPIO support for HTC Dream

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Date:	Sun, 13 Dec 2009 22:29:18 +0100
From:	Pavel Machek <pavel@....cz>
To:	Daniel Walker <dwalker@...eaurora.org>
Cc:	Arve Hj?nnev?g <arve@...roid.com>,
	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>,
	Iliyan Malchev <malchev@...gle.com>
Subject: Re: GPIO support for HTC Dream

On Wed 2009-12-09 08:18:15, Daniel Walker wrote:
> On Wed, 2009-12-09 at 12:37 +0100, Pavel Machek 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 :-(.
> 
> I'm going to end up pulling a lot of these git commit into my git tree.
> It would be pretty easy for me to just pull this GPIO change directly ..
> I assume you haven't found a way to work with git that suites you? It
> would be best if you used git, but I could try to do some sort of quilt
> export if that works better for you.

I can easily "pull" git trees. I do my own work in git, but usually
not in a way that would be useful for pushing upstream (see my trees
at git.kernel.org). 

I *could* add my dream trees to those that are mirrored at kernel.org,
when things settle a bit. (Should I?)

But I'd really prefer to push my stuff using plain old patches in
emails.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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