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Diffstat (limited to 'arch/arm/mach-shmobile/pm-rcar-gen2.c')
-rw-r--r--arch/arm/mach-shmobile/pm-rcar-gen2.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm/mach-shmobile/pm-rcar-gen2.c b/arch/arm/mach-shmobile/pm-rcar-gen2.c
index 8c2a20591524..46654d196f8d 100644
--- a/arch/arm/mach-shmobile/pm-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/pm-rcar-gen2.c
@@ -46,15 +46,16 @@ void __init rcar_gen2_pm_init(void)
{
void __iomem *p;
u32 bar;
- static int once;
struct device_node *np;
bool has_a7 = false;
bool has_a15 = false;
struct resource res;
int error;
- if (once++)
+ 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"))
@@ -72,6 +73,7 @@ void __init rcar_gen2_pm_init(void)
}
error = of_address_to_resource(np, 0, &res);
+ of_node_put(np);
if (error) {
pr_err("Failed to get smp-sram address: %d\n", error);
return;
@@ -79,7 +81,7 @@ void __init rcar_gen2_pm_init(void)
map:
/* RAM for jump stub, because BAR requires 256KB aligned address */
- if (res.start & (256 * 1024 - 1) ||
+ if (res.start & (SZ_256K - 1) ||
resource_size(&res) < shmobile_boot_size) {
pr_err("Invalid smp-sram region\n");
return;
@@ -102,7 +104,7 @@ map:
iounmap(p);
/* setup reset vectors */
- p = ioremap_nocache(RST, 0x63);
+ p = ioremap(RST, 0x63);
bar = phys_to_sbar(res.start);
if (has_a15) {
writel_relaxed(bar, p + CA15BAR);