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SubjectRe: [PATCH v3 2/2] dmaengine: tegra210-adma: Add memcpy support
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On 12/09/16 21:50, Nicolin Chen wrote:
> On Mon, Sep 12, 2016 at 03:34:08PM +0100, Jon Hunter wrote:
>
>>> Sorry. I forgot to mention that the TEGRA210_CLK_APE_SLCG_OVR
>>> clock is required for the tests. So I cherry-picked 2 patches
>>> from your audio branch to the linux-next:
>>> clk: tegra210: Add SLCG override gate clocks
>>> ARM64: tegra: DT: Add SLCG clock for AUD
>
>>> And it seems that you've submitted that patch once but it got
>>> hold because it wasn't so useful at that time?
>
>> Yes it was not being used at the time. It is on my list of things to do
>> and we need to revisit it. There was some discussion on the best way to
>> handle these clocks from a client perspective. I am not sure we came to
>> a conclusion on this. I need to find some time to look at this.
>
> I may also take a look to speed it up. Yet, putting that clock
> aside, how about this patch then? I think we don't need to wait
> for that clock patch in order to announce that we support this
> now on a specific SoC but can just treat it as a new feature of
> a DMA controller, which sounds quite plausible to me since the
> ADMA module is now being disabled in all dts files of existing
> SoCs -- There have to be some local changes in any way so as to
> test it with the mainline code.

I am fine with the changes. However, I am wondering if we should sort
out this clock business first just in case someone tries to use this.

Cheers
Jon

--
nvpublic

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