Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394...

[linux-2.6-omap-h63xx.git] / arch / powerpc / platforms / powermac / setup.c

diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 07b1c4ec428d590daa4882638118dbee161a343c..7ccb9236e8b485580c5be98f69ed5858e4cda3a5 100644 (file)
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -363,8 +363,19 @@ static void __init pmac_setup_arch(void)
                smp_ops = &core99_smp_ops;
        }
 #ifdef CONFIG_PPC32
-       else
+       else {
+               /*
+                * We have to set bits in cpu_possible_map here since the
+                * secondary CPU(s) aren't in the device tree, and
+                * setup_per_cpu_areas only allocates per-cpu data for
+                * CPUs in the cpu_possible_map.
+                */
+               int cpu;
+
+               for (cpu = 1; cpu < 4 && cpu < NR_CPUS; ++cpu)
+                       cpu_set(cpu, cpu_possible_map);
                smp_ops = &psurge_smp_ops;
+       }
 #endif
 #endif /* CONFIG_SMP */
 
@@ -443,6 +454,9 @@ static int initializing = 1;
 
 static int pmac_late_init(void)
 {
+       if (!machine_is(powermac))
+               return -ENODEV;
+
        initializing = 0;
        /* this is udbg (which is __init) and we can later use it during
         * cpu hotplug (in smp_core99_kick_cpu) */