Hi Olof and Krzysztof, On 2019-04-08 19:56, Olof Johansson wrote: > On Wed, Mar 20, 2019 at 11:32 PM Marek Szyprowski > <m.szyprowski@xxxxxxxxxxx> wrote: >> Support for Exynos5420/5422/5800 SoCs requires MCPM to properly boot all >> CPU cores on all currectly supported platforms: Peach Pit (Exynos5420), >> Odroid XU3/XU3lite/XU4/HC1 (Exynos5422) and Peach Pi (Exynos5800). >> Without it some CPU cores fail to come online. Remove then the ability to >> disable MCPM and make it mandatory when Exynos542x/5800 support is >> enabled. >> >> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> >> --- >> v3: remove CONFIG_EXYNOS5420_MCPM symbol from defconfigs too >> v2: rebased on top of the current exynos-next >> --- >> arch/arm/configs/exynos_defconfig | 1 - >> arch/arm/configs/multi_v7_defconfig | 1 - >> arch/arm/mach-exynos/Kconfig | 12 +++--------- >> arch/arm/mach-exynos/Makefile | 2 +- >> arch/arm/mach-exynos/suspend.c | 12 ++++-------- >> 5 files changed, 8 insertions(+), 20 deletions(-) >> >> diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig >> index d635edfb6ff2..c95c54284da2 100644 >> --- a/arch/arm/configs/exynos_defconfig >> +++ b/arch/arm/configs/exynos_defconfig >> @@ -9,7 +9,6 @@ CONFIG_MODULE_UNLOAD=y >> CONFIG_PARTITION_ADVANCED=y >> CONFIG_ARCH_EXYNOS=y >> CONFIG_ARCH_EXYNOS3=y >> -CONFIG_EXYNOS5420_MCPM=y >> CONFIG_SMP=y >> CONFIG_BIG_LITTLE=y >> CONFIG_NR_CPUS=8 >> diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig >> index c75051b9392c..e4b5fd46fdef 100644 >> --- a/arch/arm/configs/multi_v7_defconfig >> +++ b/arch/arm/configs/multi_v7_defconfig >> @@ -33,7 +33,6 @@ CONFIG_MACH_BERLIN_BG2CD=y >> CONFIG_MACH_BERLIN_BG2Q=y >> CONFIG_ARCH_DIGICOLOR=y >> CONFIG_ARCH_EXYNOS=y >> -CONFIG_EXYNOS5420_MCPM=y >> CONFIG_ARCH_HIGHBANK=y >> CONFIG_ARCH_HISI=y >> CONFIG_ARCH_HI3xxx=y >> diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig >> index b40963cf91c7..62b734a8092b 100644 >> --- a/arch/arm/mach-exynos/Kconfig >> +++ b/arch/arm/mach-exynos/Kconfig >> @@ -106,21 +106,15 @@ config SOC_EXYNOS5420 >> bool "SAMSUNG EXYNOS5420" >> default y >> depends on ARCH_EXYNOS5 >> + select MCPM >> + select ARM_CCI400_PORT_CTRL >> + select ARM_CPU_SUSPEND > This breaks !SMP builds now: > > http://arm-soc.lixom.net/buildlogs/next/next-20190408/buildall.arm.multi_v7_nosmp_defconfig.log.failed Thanks for spotting this issue. > Please use "select MCPM if SMP" instead. Krzysztof: if possible please drop this patch and I will send v4 with this issue fixed. Fixing is almost equivalent to a revert, so there is no point in making an incremental patch. Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland