powerpc: Make logical to real cpu mapping code endian safe

commit ac13282d upstream.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[jt: fixed up context due to commit 59a53afe
     already being backported.]
Signed-off-by: Jonathan Toppins <jtoppins@cumulusnetworks.com>
Reviewed-by: Andy Gospodarek <gospo@cumulusnetworks.com>
Acked-by: Curt Brune <curt@cumulusnetworks.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

arch/powerpc/kernel/setup-common.c

@@ -428,7 +428,7 @@ void __init smp_setup_cpu_maps(void)
 	DBG("smp_setup_cpu_maps()\n");
 
 	while ((dn = of_find_node_by_type(dn, "cpu")) && cpu < nr_cpu_ids) {
-		const int *intserv;
+		const __be32 *intserv;
 		int j, len;
 
 		DBG("  * %s...\n", dn->full_name);
@@ -448,9 +448,9 @@ void __init smp_setup_cpu_maps(void)
 
 		for (j = 0; j < nthreads && cpu < nr_cpu_ids; j++) {
 			DBG("    thread %d -> cpu %d (hard id %d)\n",
-			    j, cpu, intserv[j]);
+			    j, cpu, be32_to_cpu(intserv[j]));
 			set_cpu_present(cpu, of_device_is_available(dn));
-			set_hard_smp_processor_id(cpu, intserv[j]);
+			set_hard_smp_processor_id(cpu, be32_to_cpu(intserv[j]));
 			set_cpu_possible(cpu, true);
 			cpu++;
 		}