On Tue, Jul 26, 2011 at 01:14:26PM +0100, Amit Kachhap wrote: > On 7 July 2011 21:20, Lorenzo Pieralisi <lorenzo.pieral...@arm.com> wrote: > > This patch adds the required Kconfig and Makefile entries to > > enable and compile common idle code for ARM kernel. > > > > Common idle code depends on CPU_PM platform notifiers to trigger > > save/restore of kernel subsystems like PMU, VFP, GIC. > > > > Signed-off-by: Lorenzo Pieralisi <lorenzo.pieral...@arm.com> > > --- > > arch/arm/Kconfig | 11 +++++++++++ > > arch/arm/kernel/Makefile | 4 ++++ > > 2 files changed, 15 insertions(+), 0 deletions(-) > > > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > > index 356f266..5b670bd 100644 > > --- a/arch/arm/Kconfig > > +++ b/arch/arm/Kconfig > > @@ -1992,6 +1992,17 @@ config VFP > > > > Say N if your target does not have VFP hardware. > > > > +config CONTEXT_SR > > + bool "Save/Restore code support for CPU/Cluster Power Management" > > + depends on CPU_V7 && CPU_PM > > + help > > + Say Y to include Save/Restore code in the kernel. This provides > > + generic infrastructure to put the code in dormant/shutdown mode > > + and save/restore the required system state inclusive of L2 cache > > + logic. > > + > > + Say N if your target does not have Power Management hardware. > > + > > Currently this is placed inside the "Floating point emulation" menu. > "cpu power management" menu may be a better option. > Also I did not find where configs CPU_PM, ARCH_USES_CPU_PM are enabled. >
Yes Amit, I fixed that, thanks for looking at this. CPU_PM and ARCH_USES_CPU_PM are defined in PATCH 2 of this series from Colin, which adds the infrastructure for cpu PM notifiers. Thanks, Lorenzo _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
