ARM: shmobile: rcar-gen2: Reserve boot area when SMP is enabled

[sfrench/cifs-2.6.git] / arch / arm / mach-shmobile / pm-rcar-gen2.c

diff --git a/arch/arm/mach-shmobile/pm-rcar-gen2.c b/arch/arm/mach-shmobile/pm-rcar-gen2.c
index 7447e5fd7ed41e99d38d689079d17e1018a7ffb3..907a4f8c5aedeeae4531514adab831c166f202a0 100644 (file)
--- a/arch/arm/mach-shmobile/pm-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/pm-rcar-gen2.c
@@ -52,6 +52,11 @@ void __init rcar_gen2_pm_init(void)
        struct resource res;
        int error;
 
+       if (!request_mem_region(0, SZ_256K, "Boot Area")) {
+               pr_err("Failed to request boot area\n");
+               return;
+       }
+
        for_each_of_cpu_node(np) {
                if (of_device_is_compatible(np, "arm,cortex-a15"))
                        has_a15 = true;