On Thu, Feb 12, 2015 at 07:42:33PM +0000, 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'
Arnd, We are having reports of TC2 not booting with MCPM enabled. Lorenzo was investigating this but then headed for Linaro Connect this week, so we don't have yet a resolution. Can this patch be postponed for a later -rc? Best regards, Liviu > > This explicitly selects ARM_CPU_SUSPEND like other platforms that > need it. > > Signed-off-by: Arnd Bergmann <[email protected]> > Fixes: 3592d7e002438 ("ARM: 8082/1: TC2: test the MCPM loopback during boot") > Cc: Nicolas Pitre <[email protected]> > Cc: Kevin Hilman <[email protected]> > Cc: Liviu Dudau <[email protected]> > Cc: Sudeep Holla <[email protected]> > Cc: Lorenzo Pieralisi <[email protected]> > --- > 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 > > -- ==================== | I would like to | | fix the world, | | but they're not | | giving me the | \ source code! / --------------- ¯\_(ツ)_/¯ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
