linux-kernel - Re: GPIO support for HTC Dream

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Date:	Tue, 8 Dec 2009 16:39:09 -0800
From:	Arve Hjønnevåg <arve@...roid.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Pavel Machek <pavel@....cz>,
	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 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.

-- 
Arve Hjønnevåg
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