1 files changed, 11 insertions, 6 deletions

diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 12864d75126d..e78e8ac95550 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -64,6 +64,8 @@ static void pSeries_mach_cpu_die(void)
         for(;;);
 }
 
+static int qcss_tok;    /* query-cpu-stopped-state token */
+
 /* Get state of physical CPU.
  * Return codes:
  *      0       - The processor is in the RTAS stopped state
@@ -74,12 +76,8 @@ static void pSeries_mach_cpu_die(void)
  */
 static int query_cpu_stopped(unsigned int pcpu)
 {
-        int cpu_status;
-        int status, qcss_tok;
+        int cpu_status, status;
 
-        qcss_tok = rtas_token("query-cpu-stopped-state");
-        if (qcss_tok == RTAS_UNKNOWN_SERVICE)
-                return -1;
         status = rtas_call(qcss_tok, 1, 2, &cpu_status, pcpu);
         if (status != 0) {
                 printk(KERN_ERR
@@ -254,9 +252,16 @@ static struct notifier_block pSeries_smp_nb = {
 static int __init pseries_cpu_hotplug_init(void)
 {
         rtas_stop_self_args.token = rtas_token("stop-self");
+        qcss_tok = rtas_token("query-cpu-stopped-state");
 
-        ppc_md.cpu_die = pSeries_mach_cpu_die;
+        if (rtas_stop_self_args.token == RTAS_UNKNOWN_SERVICE ||
+                        qcss_tok == RTAS_UNKNOWN_SERVICE) {
+                printk(KERN_INFO "CPU Hotplug not supported by firmware "
+                                "- disabling.\n");
+                return 0;
+        }
 
+        ppc_md.cpu_die = pSeries_mach_cpu_die;
         smp_ops->cpu_disable = pSeries_cpu_disable;
         smp_ops->cpu_die = pSeries_cpu_die;