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Date:	Mon, 14 Jul 2014 17:22:39 +0800
From:	Chen Gang <>
To:	Richard Weinberger <>
Cc:	Lars-Peter Clausen <>,
	Greg Kroah-Hartman <>,,,
	Benjamin Herrenschmidt <>,,
	Thierry Reding <>,
	Lennox Wu <>,
	Chen Gang <>,
	Marek Vasut <>,
	Liqin Chen <>,,,,,,
	"" <>,, Martin Schwidefsky <>,,
Subject: Re: [PATCH] drivers: Let several drivers depends on HAS_IOMEM for 'devm_ioremap_resource'

在 2014年7月14日,下午4:57,Richard Weinberger <> 写道:

> Am 14.07.2014 10:48, schrieb Lars-Peter Clausen:
>> On 07/14/2014 10:31 AM, Richard Weinberger wrote:
>>> Am 13.07.2014 22:17, schrieb Greg Kroah-Hartman:
>>>> On Sun, Jul 13, 2014 at 09:33:38PM +0200, Richard Weinberger wrote:
>>>>> Maybe we could add COMPILE_TEST to the version string too?
>>>>> Just to detect such kernels fast in user bug reports...
>>>> What kind of bug report are you going to get?
>>> User manages to enable CONFIG_FOO by selecting COMPILE_TEST and
>>> complains that it does not work. :)
>> These drivers are typically drivers for some SoC peripheral and the device will simply physically not exist on a platform that does not provide HAS_IOMEM. This is not really any
>> different from making the driver selectable via COMPILE_TEST for any other platform. To hit the issue you'd have to instantiate a device driver instance for a device that
>> physically does not exist. This will always result in a failure.
> Okay, you have convinced me. :)

OK, thank all of you, and I shall send the related patch for it. 

I will try to finish it within this week.

Chen Gang
Open, share, and attitude like air, water, and life which God blessed.--
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