[PATCH] cpufreq: exynos: Fix driver compilation with ARCH_MULTIPLATFORM

[Thomas Abraham]

On Wed, May 21, 2014 at 5:56 PM, Tomasz Figa <t.figa at samsung.com> wrote:
> On 21.05.2014 14:21, Arnd Bergmann wrote:
>> On Wednesday 21 May 2014 13:12:32 Tomasz Figa wrote:
>>> Currently Exynos cpufreq drivers rely on globally mapped clock
>>> controller registers to configure frequency of CPU cores. This is
>>> obviously wrong and will be removed in near future, but to enable
>>> support for multi-platform builds without introducing a regression it
>>> needs to be worked around.
>>>
>>> This patch hacks the code to look for clock controller node in device
>>> tree and map its registers using of_iomap(), instead of relying on
>>> global mapping, so dependencies on platform headers are removed and the
>>> driver can compile again with multiplatform support.
>>>
>>> Signed-off-by: Tomasz Figa <t.figa at samsung.com>
>>> ---
>>>  drivers/cpufreq/Kconfig.arm          |  6 +++---
>>>  drivers/cpufreq/exynos-cpufreq.c     |  2 --
>>>  drivers/cpufreq/exynos-cpufreq.h     | 30 ++++++++++++++----------------
>>>  drivers/cpufreq/exynos4210-cpufreq.c | 31 +++++++++++++++++++++++++------
>>>  drivers/cpufreq/exynos4x12-cpufreq.c | 32 ++++++++++++++++++++++++++------
>>>  drivers/cpufreq/exynos5250-cpufreq.c | 35 +++++++++++++++++++++++++++--------
>>>  6 files changed, 95 insertions(+), 41 deletions(-)
>>
>> Isn't this completely obsoleted by Thomas Abraham's work on cpufreq-cpu0
>> support in Exynos? I thought that was going to make it for 3.16.
>
> That would be the best solution, but we need at least one more version
> of that series and I'm not sure if it isn't already too late to merge it
> for 3.16.

I have addressed most the comments on the v4 patches. I will post v5
of the cpufreq consolidation patches a little later or early tomorrow.

Thanks,
Thomas.

>
> Best regards,
> Tomasz
>
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