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

Richard Weinberger
2014-07-13T13:40:26Z

Am 13.07.2014 15:26, schrieb Lars-Peter Clausen:
> On 07/13/2014 11:45 AM, Richard Weinberger wrote:
>> Am 13.07.2014 11:27, schrieb Lennox Wu:
>>> As I said before, some configurations don't make sense.
>>
>> If such a configuration can be achieved using allmod/yesconfig it has to be fixed.
>> Chen's fixes seem reasonable as not all architectures support iomem.
>
> Maybe we should stub out ioremap() and friends when COMPILE_TEST is enabled to avoid these linker errors. That's in my opinion better than turning most of the 'depends on
> COMPILE_TEST' into 'depends on COMPILE_TEST && HAS_IOMEM'. The issue comes up quite a lot and it is often overlooked when adding a driver that can be build when COMPILE_TEST is
> enabled.

And what should this stub do?
Except calling BUG()...

Thanks,
//richard