Skip scu_enable(scu_base) if CPU is not Cortex A9.
Signed-off-by: Hiroshi Doyu <hdoyu@xxxxxxxxxx>
---
arch/arm/mach-tegra/platsmp.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 689ee4b..e329e93 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -38,7 +38,6 @@
extern void tegra_secondary_startup(void);
static cpumask_t tegra_cpu_init_mask;
-static void __iomem *scu_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE);
#define EVP_CPU_RESET_VECTOR \
(IO_ADDRESS(TEGRA_EXCEPTION_VECTORS_BASE) + 0x100)
@@ -184,10 +183,14 @@ static void __init tegra_smp_init_cpus(void)
static void __init tegra_smp_prepare_cpus(unsigned int max_cpus)
{
+ phys_addr_t base;
+
/* Always mark the boot CPU (CPU0) as initialized. */
cpumask_set_cpu(0, &tegra_cpu_init_mask);
- scu_enable(scu_base);
+ base = scu_get_base();
+ if (base)
+ scu_enable(IO_ADDRESS(base));
}
struct smp_operations tegra_smp_ops __initdata = {
--
1.7.9.5
--
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