On Tuesday, November 09, 2010, Kevin Hilman wrote: > Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> writes: > > > Since the OPP API is only useful with an appropraite SoC-specific > > implementation there is no point in offering the ability to enable > > the API on general systems. Provide an ARCH_HAS OPP Kconfig symbol > > which masks out the option unless selected by an implementation. > > > > Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> > > Acked-by: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx> Applied to suspend-2.6/linux-next, will push to Linus next week. Thanks, Rafael > > --- > > Documentation/power/opp.txt | 3 +++ > > kernel/power/Kconfig | 4 ++++ > > 2 files changed, 7 insertions(+), 0 deletions(-) > > > > diff --git a/Documentation/power/opp.txt b/Documentation/power/opp.txt > > index 44d87ad..cd44558 100644 > > --- a/Documentation/power/opp.txt > > +++ b/Documentation/power/opp.txt > > @@ -37,6 +37,9 @@ Typical usage of the OPP library is as follows: > > SoC framework -> modifies on required cases certain OPPs -> OPP layer > > -> queries to search/retrieve information -> > > > > +Architectures that provide a SoC framework for OPP should select ARCH_HAS_OPP > > +to make the OPP layer available. > > + > > OPP layer expects each domain to be represented by a unique device pointer. SoC > > framework registers a set of initial OPPs per device with the OPP layer. This > > list is expected to be an optimally small number typically around 5 per device. > > diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig > > index 29bff61..a5aff3e 100644 > > --- a/kernel/power/Kconfig > > +++ b/kernel/power/Kconfig > > @@ -246,9 +246,13 @@ config PM_OPS > > depends on PM_SLEEP || PM_RUNTIME > > default y > > > > +config ARCH_HAS_OPP > > + bool > > + > > config PM_OPP > > bool "Operating Performance Point (OPP) Layer library" > > depends on PM > > + depends on ARCH_HAS_OPP > > ---help--- > > SOCs have a standard set of tuples consisting of frequency and > > voltage pairs that the device will support per voltage domain. This > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > > _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
