[PATCH] ARM: PM: build sleep/suspend code for idle path also (not only suspend)

[Russell King - ARM Linux]

On Fri, Oct 07, 2011 at 03:31:26PM -0700, Kevin Hilman wrote:
> Some platforms (e.g. OMAP) use the same common cpu_suspend/cpu_resume
> helpers during idle as well as suspend.
> 
> Currently, if suspend is disabled (CONFIG_PM_SLEEP=n) and the platform
> idle code is using the common cpu_suspend/cpu_resume functions, the
> kernel will not link.
> 
> Since platform code commonly uses CONFIG_PM=y to build it's idle code,
> build the common sleep/suspend code based on CONFIG_PM instead of
> CONFIG_PM_SLEEP.
> 
> Signed-off-by: Kevin Hilman <khilman at ti.com>
> ---
> Applies on Russell's devel-stable branch, where the new common
> suspend/resume code is queued.

See:

commit 15e0d9e37c7fe9711b60f47221c394d45553ad8c
Author: Arnd Bergmann <arnd at arndb.de>
Date:   Sat Oct 1 21:09:39 2011 +0200

    ARM: pm: let platforms select cpu_suspend support

    Support for the cpu_suspend functions is only built-in
    when CONFIG_PM_SLEEP is enabled, but omap3/4, exynos4
    and pxa always call cpu_suspend when CONFIG_PM is enabled.

    Signed-off-by: Arnd Bergmann <arnd at arndb.de>