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SubjectRe: [PATCH] drivers: Let several drivers depends on HAS_IOMEM for 'devm_ioremap_resource'
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.

- Lars



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