Re: [PATCH V2 08/20] dmaengine/amba-pl08x: support runtime PM

From: viresh kumar
Date: Mon Aug 01 2011 - 07:56:40 EST


On 08/01/2011 03:56 PM, Russell King - ARM Linux wrote:
> I think a primecell's probe function should look like this:
>
> primecell_probe()
> {
> ret = amba_request_regions(adev, NULL);
> if (ret)
> return ret;
>
> ... allocate stuff, don't access primecell though ...
>
> pm_runtime_set_active(&adev->dev);
> pm_runtime_enable(&adev->dev);
>
> ... get clocks and enable them, do rest of init ...
>
> pm_runtime_put_sync(&adev->dev);
> return 0;
> }

Ok. I didn't had much knowhow of pm_runtime* framework. I will
send V3 for this patch alone, please see if that one is fine or still
needs some updation.

Thanks for your help.

--
viresh
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/