On Wed, Nov 29, 2017 at 12:12 PM, Mark Brown <broo...@kernel.org> wrote: > A frequent source of build problems is poor handling of optional PM > support, almost all development is done with the PM options enabled > but they can be turned off. Currently few if any of the build test > services do this as standard as there is no standard config for it and > the use of selects and def_bool means that simply setting CONFIG_PM=n > doesn't do what is expected. To make this easier provide a fragement > that can be used with KCONFIG_ALLCONFIG to force PM off. > > CONFIG_XEN is disabled as Xen uses hibernation callbacks which end up > turning on power management on architectures with Xen. Some cpuidle > implementations on ARM select PM so CONFIG_CPU_IDLE is disabled, and > some ARM architectures unconditionally enable PM so they are also > disabled. > > Signed-off-by: Mark Brown <broo...@kernel.org>
I'm going to apply this shortly, sorry for the delay. > --- > MAINTAINERS | 1 + > kernel/configs/nopm.config | 15 +++++++++++++++ > 2 files changed, 16 insertions(+) > create mode 100644 kernel/configs/nopm.config > > diff --git a/MAINTAINERS b/MAINTAINERS > index 07d9067f68fd..539808dc7928 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -10895,6 +10895,7 @@ F: include/linux/pm.h > F: include/linux/pm_* > F: include/linux/powercap.h > F: drivers/powercap/ > +F: kernel/configs/nopm.config > > POWER STATE COORDINATION INTERFACE (PSCI) > M: Mark Rutland <mark.rutl...@arm.com> > diff --git a/kernel/configs/nopm.config b/kernel/configs/nopm.config > new file mode 100644 > index 000000000000..81ff07863576 > --- /dev/null > +++ b/kernel/configs/nopm.config > @@ -0,0 +1,15 @@ > +CONFIG_PM=n > +CONFIG_SUSPEND=n > +CONFIG_HIBERNATION=n > + > +# Triggers PM on OMAP > +CONFIG_CPU_IDLE=n > + > +# Triggers enablement via hibernate callbacks > +CONFIG_XEN=n > + > +# ARM/ARM64 architectures that select PM unconditionally > +CONFIG_ARCH_OMAP2PLUS_TYPICAL=n > +CONFIG_ARCH_RENESAS=n > +CONFIG_ARCH_TEGRA=n > +CONFIG_ARCH_VEXPRESS=n > -- > 2.15.0 >