ARM: DT/kernel: define ARM specific arch_match_cpu_phys_id

[karo-tx-linux.git] / arch / arm / kernel / devtree.c

diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index 5859c8bc727c4254bc7e8fa254a4271d6b214242..2ee8a17d2b01c41216ba26cf74f5379114e634b9 100644 (file)
--- 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