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-rw-r--r--arch/arm/kernel/devtree.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index 5859c8bc727c..2ee8a17d2b01 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -169,6 +169,11 @@ void __init arm_dt_init_cpu_maps(void)
}
}
+bool arch_match_cpu_phys_id(int cpu, u64 phys_id)
+{
+ return (phys_id & MPIDR_HWID_BITMASK) == cpu_logical_map(cpu);
+}
+
/**
* setup_machine_fdt - Machine setup when an dtb was passed to the kernel
* @dt_phys: physical address of dt blob