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Diffstat (limited to 'arch/arm/mach-shmobile/smp-emev2.c')
-rw-r--r--arch/arm/mach-shmobile/smp-emev2.c22
1 files changed, 2 insertions, 20 deletions
diff --git a/arch/arm/mach-shmobile/smp-emev2.c b/arch/arm/mach-shmobile/smp-emev2.c
index f67456286280..535426c306bd 100644
--- a/arch/arm/mach-shmobile/smp-emev2.c
+++ b/arch/arm/mach-shmobile/smp-emev2.c
@@ -32,24 +32,8 @@
#define EMEV2_SCU_BASE 0x1e000000
-static DEFINE_SPINLOCK(scu_lock);
static void __iomem *scu_base;
-static void modify_scu_cpu_psr(unsigned long set, unsigned long clr)
-{
- unsigned long tmp;
-
- /* we assume this code is running on a different cpu
- * than the one that is changing coherency setting */
- spin_lock(&scu_lock);
- tmp = readl(scu_base + 8);
- tmp &= ~clr;
- tmp |= set;
- writel(tmp, scu_base + 8);
- spin_unlock(&scu_lock);
-
-}
-
static unsigned int __init emev2_get_core_count(void)
{
if (!scu_base) {
@@ -95,7 +79,7 @@ static int __cpuinit emev2_boot_secondary(unsigned int cpu, struct task_struct *
cpu = cpu_logical_map(cpu);
/* enable cache coherency */
- modify_scu_cpu_psr(0, 3 << (cpu * 8));
+ scu_power_mode(scu_base, 0);
/* Tell ROM loader about our vector (in headsmp.S) */
emev2_set_boot_vector(__pa(shmobile_secondary_vector));
@@ -106,12 +90,10 @@ static int __cpuinit emev2_boot_secondary(unsigned int cpu, struct task_struct *
static void __init emev2_smp_prepare_cpus(unsigned int max_cpus)
{
- int cpu = cpu_logical_map(0);
-
scu_enable(scu_base);
/* enable cache coherency on CPU0 */
- modify_scu_cpu_psr(0, 3 << (cpu * 8));
+ scu_power_mode(scu_base, 0);
}
static void __init emev2_smp_init_cpus(void)