[PATCH v9 07/16] iommu/exynos: support for device tree

Rob Herring robherring2 at gmail.com
Fri Aug 9 09:28:09 EDT 2013


On Fri, Aug 9, 2013 at 1:37 AM, Cho KyongHo <pullip.cho at samsung.com> wrote:
> On Fri, 09 Aug 2013 00:41:25 +0200, Tomasz Figa wrote:
>> Hi KyongHo,
>>
>> On Thursday 08 of August 2013 18:38:49 Cho KyongHo wrote:
>> > This commit adds device tree support for System MMU.
>> > This also include the following changes and enhancements:
>> >
>> > * use managed device helper functions.
>> > Simplyfies System MMU device driver.
>> >
>> > * use only a single clock descriptor.
>> > System MMU device descriptor is seperate if it is imposible to make
>> > a single clock descriptor to make a device descriptor for a group of
>> > System MMUs.
>> >
>> > * removed dbgname member from sysmmu_drvdata structure.
>> > debugging kernel message for a System MMU is distinguisheable with the
>> > name of device descroptors.
>>
>> Please put all these three changes in separate patches. This patch is hard
>> to review with all the changes mixed together...

Agreed.

>>
>
> Ok.
>
>> In addition, I believe this is the patch that should be adding device tree
>> binding documentation, not the 6/16 one, as this is where actually support
>> for this binding gets added to the kernel.
>
> Oh, I didn't know that devicetree binding description and implementation need
> to be in the same patch.
> I will do as you advised.

Actually, I prefer the binding docs be separate patches. The reason
being so we can get closer to having them in a separate repository.
Also, then the binding can be acked separately from the kernel
implementation using the binding.

Rob



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