Re: [PATCH] hsi / OMAP / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM

[Rafael J. Wysocki]

On Wednesday, December 03, 2014 08:49:12 PM Arnd Bergmann wrote:
> On Wednesday 03 December 2014 03:02:24 Rafael J. Wysocki wrote:
> > From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> > 
> > After commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
> > selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
> > depending on CONFIG_PM_RUNTIME may now be changed to depend on
> > CONFIG_PM.
> > 
> > Do that for the omap_ssi driver.
> > 
> 
> Just for clarification: does that mean that PM, PM_RUNTIME, and PM_SLEEP
> are all synonyms now, or is there still some other combination that
> allows a subset to be set?

PM_RUNTIME is always set when PM is, but PM_SLEEP still may not be set then.

The plan is to drop PM_RUNTIME and use PM as a user-visible option instead
of it (which can be selected automatically by PM_SLEEP too).

As stated here:
http://marc.info/?l=linux-kernel&m=141710589711818&w=4
http://marc.info/?l=linux-kernel&m=141712284917133&w=4

> Before we do lots of s/CONFIG_PM_SLEEP/CONFIG_PM/ changes in lots of
> other drivers, it would be nice to come up with a new set of macros
> to replace all the SET_RUNTIME_PM_OPS/SIMPLE_DEV_PM_OPS/..._OPS
> with a version that avoided the #ifdefs altogether.

I don't think we can avoid all of the #ifdefs and the macros still work
(except for one which is redundant, but I have a patch to clean that up).

Rafael

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