Re: [PATCHv2 3/8] ARM: EXYNOS: Add IO mapping for PMU of Exynos3250

From: Vikas Sajjan
Date: Tue Apr 15 2014 - 04:39:40 EST


Hi,

On Tue, Apr 15, 2014 at 2:02 PM, Chanwoo Choi <cw00.choi@xxxxxxxxxxx> wrote:
> Hi,
>
> On 04/15/2014 05:11 PM, Arnd Bergmann wrote:
>> On Tuesday 15 April 2014 10:59:47 Chanwoo Choi wrote:
>>> This patch add memory mapping for PMU (Power Management Unit) which is used
>>> for power control of Exynos3250.
>>>
>>> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
>>> Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
>>> ---
>>> Arnd Bergmann suggested that need proper driver instead of static memory mapping.
>>> As Chanho Park reply[2], Sachin Kamat already posted the DT support patch[1]
>>> for memory mapping for SYSRAM.
>>> [1] http://www.spinics.net/lists/linux-samsung-soc/msg27647.html
>>> [2] https://lkml.org/lkml/2014/4/10/161
>>>
>>> So, I'm going to re-implement following patch related to static memory mapping
>>> after merged Sachin Kamat patch[1].
>>> ARM: EXYNOS: Add IO mapping for PMU of Exynos3250
>>
>> I don't think we have a patch for the PMU yet, Sachin was looking at the SYSRAM
>> only.
>
> You are right. Sachin's patch only included the solution of SYSRAM memory mapping.
> I set out the plan that I would implment proper driver for PMU memory mapping
> instead of static method after merged Sachin's patch for SYSRAM.
>
> But,
> If you'd like me to implment PMU memory mapping instead of static mapping right now,
> I'll implement it for PMU such as Sachin's patch on next posting(v3).
>

I have already posted patch[1] for mapping PMU through DT as part of
my PMU series for exynos5260.
You can rebase on the same.


[1] http://www.spinics.net/lists/arm-kernel/msg316013.html


> Thanks for your review.
>
> Best Regards,
> Chanwoo Choi
>
>
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