Re: [PATCH/RFC 3/4] of/clk: Register clocks suitable for Runtime PM with the PM core

Ulf Hansson
2014-05-06T07:43:33Z

On 2 May 2014 16:35, Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> Hi Ulf,
>
> On Fri, May 2, 2014 at 10:56 AM, Ulf Hansson <ulf.hansson@linaro.org> wrote:
>>> +static int of_clk_pm_runtime_suspend(struct device *dev)
>>> +{
>>> + int ret;
>>> +
>>> + ret = pm_generic_runtime_suspend(dev);
>>> + if (ret)
>>> + return ret;
>>> +
>>> + ret = pm_clk_suspend(dev);
>>
>> What about slow clocks? Those aren't handled with pm_clk_suspend().
>
> How are slow clocks handled?

clk_prepare|unprepare - these functions may sleep.

Kind regards
Ulf Hansson

>
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> -- Linus Torvalds