Re: [PATCH 2/3] spi: sh-msiof: Convert to spi core auto_runtime_pm framework

From: Laurent Pinchart
Date: Tue Mar 11 2014 - 12:31:02 EST


On Tuesday 11 March 2014 17:23:37 Geert Uytterhoeven wrote:
> Hi Laurent,
>
> On Tue, Mar 11, 2014 at 4:55 PM, Laurent Pinchart wrote:
> > Does this require drivers/sh/pm_runtime.c to be compiled in ?
>
> Let's check...
>
> My koelsch-legacy kernel has drivers/sh/pm_runtime.c compiled in.
> My koelsch-reference kernel hasn't.
>
> However, under the -reference kernel many MSTP clocks (incl. MSIOF)
> seem to be enabled all the time, while under -legacy they are enabled and
> disabled on demand.

Is PM_RUNTIME enabled in both cases ?


There's something fishy in there that we should try to fix without too further
much delay. Ben Dooks has pointed out the problem a couple of months ago, but
the discussion on the mailing list just died.

--
Regards,

Laurent Pinchart

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