[PATCH 5/6] ARM: EXYNOS: Enable multi-platform build support

Tomasz Figa
2014-04-16T14:58:43Z

Hi Thomas,

On 16.04.2014 16:55, Thomas Abraham wrote:
> On Wed, Apr 16, 2014 at 8:18 PM, Tomasz Figa <t.figa@samsung.com> wrote:
>> On 16.04.2014 16:31, Arnd Bergmann wrote:
>>>
>>> On Wednesday 16 April 2014 15:51:29 Tomasz Figa wrote:
>>>>
>>>> On 15.04.2014 11:28, Sachin Kamat wrote:
>>>>>
>>>>> From: Arnd Bergmann <arnd@arndb.de>
>>>>>
>>>>> This makes it possible to enable the exynos platform as part of a
>>>>> multiplatform kernel, in addition to keeping the single-platform
>>>>> Exynos support.
>>>>> sparsemem is currently not supported in multiplatform.
>>>>
>>>>
>>>> Is this still true as of today?
>>>>
>>>> Otherwise looks fine.
>>>
>>>
>>> sparsemem is still not supported in multiplatform, but after I looked
>>> at it in more detail, I came to the conclusion that there is no
>>> reason why it couldn't be. It just needs testing so we are confident
>>> that it doesn't break other platforms, and we need to find good
>>> platform-independent values for MAX_PHYSMEM_BITS and SECTION_SIZE_BITS
>>> to put into asm/memory.h, since we can't have them set in mach/memory.h
>>> for multiplatform.
>>>
>>> Looking at my patch again now, I would actually prefer to kill off
>>> the single-platform support for exynos right away. I don't see
>>> any reason to keep it now, and it complicates the test matrix.
>>
>>
>> That would be the best option, assuming that it wouldn't introduce feature
>> regressions. Unfortunately there is still ongoing work on cpufreq driver to
>> make it multiplatform-aware, so dropping single platform support right now
>> would introduce at least this one regression.
>>
>> Thomas, is there any progress on new version of Exynos cpufreq rework
>> series?
>
> Hi Tomasz,
>
> Yes, I am preparing the fourth version of the cpufreq patches and will
> post it next week. Mostly, the changes will be addressing your review
> comments.

OK. Looking forward to it. Thanks for an update on this.

Best regards,
Tomasz