linux-kernel - Re: [PULL REQUEST] i2c for 3.17

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Date:	Mon, 11 Aug 2014 09:39:11 +0800
From:	Lan Tianyu <tianyu.lan@...el.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Wolfram Sang <wsa@...-dreams.de>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
CC:	linux-i2c@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PULL REQUEST] i2c for 3.17

On 2014年08月10日 01:34, Linus Torvalds wrote:
> On Sat, Aug 9, 2014 at 6:56 AM, Wolfram Sang <wsa@...-dreams.de> wrote:
>>
>> here is the pull request for 3.17 for the I2C subsystem. Highlights:
> 
> Lowlight: selecting ACPI support (which used to be the default if ACPI
> was enabled) now forces i2c to be built-in.
> 
> I've pulled this, but it's broken. You need to fix it someway.
> 
> The reason for this is
> 
>   config I2C
>          tristate "I2C support"
>   ...
>   config I2C_ACPI
>          bool "I2C ACPI support"
>          select I2C
>          depends on ACPI
>    ...
> 
> where if I2C_APCI is on (y), then that "select I2C" will cause I2C to
> be upgraded to 'y' as well.
> 
> This seems to be intentional, judging by the commit message, but it's
> wrong. Distributions etc generally compile i2c as a module, and you've
> now broken that.
> 
> This is a regression. Change the "select I2C" to a "depends on I2C",
> and test the end result. Don't force people to build things into the
> kernel.

Hi Linus:
	Sorry about this, I will create a fix patch soon. Thanks.

> 
>                  Linus
> 


-- 
Best regards
Tianyu Lan
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