Re: [PATCH] PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is selected

[Geert Uytterhoeven]

On Tue, Nov 18, 2014 at 4:52 AM, Kevin Hilman <khilman@xxxxxxxxxx> wrote:
> "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx> writes:
>
>> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>>
>> The number of and dependencies between high-level power management
>> Kconfig options make life much harder than necessary.  Several
>> conbinations of them have to be tested and supported, even though
>> some of those combinations are very rarely used in practice (it
>> they are used in practice at all).  Moreover, the fact that we
>> have separate independent Kconfig options for runtime PM and
>> system suspend is a serious obscacle for integration between
>> the two frameworks.
>>
>> To overcome these difficulties, always select PM_RUNTIME if PM_SLEEP
>> is set.  Among other things, this will allow system suspend callbacks
>> provided by bus types and device drivers to rely on the runtime PM
>> framework regardless of the kernel configuration.
>>
>> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>> ---
>>
>> As a follow up.
>>
>> Note that we won't need the patch making genpd select PM_RUNTIME with this,
>> because genpd already depends on PM.
>>
>> Thoughts, comments?
>
> Acked-by: Kevin Hilman <khilman@xxxxxxxxxx>

This gets rid of

kernel/power/Kconfig:132:error: recursive dependency detected!
kernel/power/Kconfig:132: symbol PM_RUNTIME is selected by PM_GENERIC_DOMAINS
kernel/power/Kconfig:272: symbol PM_GENERIC_DOMAINS is selected by PM_RUNTIME

Tested-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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
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