1 files changed, 9 insertions, 3 deletions

diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index d9c6d0ab6a0c..deba1308ff16 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -50,6 +50,8 @@ static inline void __iomem *cpu_boot_reg(int cpu)
         boot_reg = cpu_boot_reg_base();
         if (soc_is_exynos4412())
                 boot_reg += 4*cpu;
+        else if (soc_is_exynos5420())
+                boot_reg += 4;
         return boot_reg;
 }
 
@@ -180,10 +182,14 @@ static void __init exynos_smp_init_cpus(void)
         void __iomem *scu_base = scu_base_addr();
         unsigned int i, ncores;
 
-        if (soc_is_exynos5250())
-                ncores = 2;
-        else
+        if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9)
                 ncores = scu_base ? scu_get_core_count(scu_base) : 1;
+        else
+                /*
+                 * CPU Nodes are passed thru DT and set_cpu_possible
+                 * is set by "arm_dt_init_cpu_maps".
+                 */
+                return;
 
         /* sanity check */
         if (ncores > nr_cpu_ids) {