Messages in this thread | | | Date | Fri, 13 Feb 2015 09:31:30 +0800 (HKT) | From | Nicolas Pitre <> | Subject | Re: [PATCH 01/11] ARM: vexpress: use ARM_CPU_SUSPEND if needed |
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On Thu, 12 Feb 2015, Arnd Bergmann wrote:
> The vexpress tc2 power management code calls mcpm_loopback, which > is only available if ARM_CPU_SUSPEND is enabled, otherwise we > get a link error: > > arch/arm/mach-vexpress/built-in.o: In function `tc2_pm_init': > arch/arm/mach-vexpress/tc2_pm.c:389: undefined reference to `mcpm_loopback' > > This explicitly selects ARM_CPU_SUSPEND like other platforms that > need it. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > Fixes: 3592d7e002438 ("ARM: 8082/1: TC2: test the MCPM loopback during boot") > Cc: Nicolas Pitre <nico@linaro.org> > Cc: Kevin Hilman <khilman@linaro.org> > Cc: Liviu Dudau <liviu.dudau@arm.com> > Cc: Sudeep Holla <sudeep.holla@arm.com> > Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
> --- > arch/arm/mach-vexpress/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig > index d6b16d9a7838..3c2509b4b694 100644 > --- a/arch/arm/mach-vexpress/Kconfig > +++ b/arch/arm/mach-vexpress/Kconfig > @@ -73,6 +73,7 @@ config ARCH_VEXPRESS_TC2_PM > depends on MCPM > select ARM_CCI > select ARCH_VEXPRESS_SPC > + select ARM_CPU_SUSPEND > help > Support for CPU and cluster power management on Versatile Express > with a TC2 (A15x2 A7x3) big.LITTLE core tile. > -- > 2.1.0.rc2 > >
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