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-rw-r--r--arch/powerpc/platforms/85xx/smp.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index 30721ac..b47bbd4 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -212,7 +212,7 @@ void platform_cpu_die(unsigned int cpu)
/* enter PH20 status */
setbits32(&((struct ccsr_rcpm_v2 *)guts_regs)->pcph20setr,
1 << cpu_core_index_of_thread(hw_cpu));
- } else if (!rcpmv2) {
+ } else if (!rcpmv2 && guts_regs) {
rcpm = guts_regs;
/* Core Nap Operation */
setbits32(&rcpm->cnapcr, 1 << hw_cpu);
@@ -587,6 +587,10 @@ void __init mpc85xx_smp_init(void)
smp_85xx_ops.cause_ipi = doorbell_cause_ipi;
}
+#ifdef CONFIG_HOTPLUG_CPU
+ ppc_md.cpu_die = generic_mach_cpu_die;
+#endif
+
np = of_find_matching_node(NULL, mpc85xx_smp_guts_ids);
if (np) {
if (of_device_is_compatible(np, "fsl,qoriq-rcpm-2.0"))