[PATCH 5/5] ARM: SAMSUNG: Add to enable/disable clock on S3C PL330

Kyungmin Park kmpark at infradead.org
Wed Oct 20 21:49:27 EDT 2010


On Thu, Oct 21, 2010 at 10:45 AM, Jassi Brar <jassisinghbrar at gmail.com> wrote:
> On Thu, Oct 21, 2010 at 10:32 AM, Kyungmin Park <kmpark at infradead.org> wrote:
>> On Thu, Oct 21, 2010 at 9:58 AM, Kukjin Kim <kgene.kim at samsung.com> wrote:
>>> From: Seungwhan Youn <sw.youn at samsung.com>
>>>
>>> This patch adds to enable/disable DMA operation clock on S3C-PL330
>>> DMA controller driver.
>>
>> The title and description seems to clock gating but actual code is
>> just enable at probe and disable at remove.
>>
>> Can you make it REAL clock gating, enable clock only when using?
>
> Of course we can. But that will need some intrusive changes.
> Later, we'll implement that desirable feature.
> For now, many SoCs don't detect PL330 since the clocks are gated
> by default and we don't enable them in driver. So, this is just to get
> latest SoCs' PL330 working.

I see even though I don't know "later" is how much

and include the s5pc210 code also at this patchset.

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