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Diffstat (limited to 'arch/arm/mach-shmobile/smp-r8a7779.c')
-rw-r--r--arch/arm/mach-shmobile/smp-r8a7779.c25
1 files changed, 3 insertions, 22 deletions
diff --git a/arch/arm/mach-shmobile/smp-r8a7779.c b/arch/arm/mach-shmobile/smp-r8a7779.c
index 2ce6af9a6a37..9def0f22bf22 100644
--- a/arch/arm/mach-shmobile/smp-r8a7779.c
+++ b/arch/arm/mach-shmobile/smp-r8a7779.c
@@ -61,9 +61,6 @@ static void __iomem *scu_base_addr(void)
return (void __iomem *)0xf0000000;
}
-static DEFINE_SPINLOCK(scu_lock);
-static unsigned long tmp;
-
#ifdef CONFIG_HAVE_ARM_TWD
static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, 0xf0000600, 29);
@@ -73,20 +70,6 @@ void __init r8a7779_register_twd(void)
}
#endif
-static void modify_scu_cpu_psr(unsigned long set, unsigned long clr)
-{
- void __iomem *scu_base = scu_base_addr();
-
- spin_lock(&scu_lock);
- tmp = __raw_readl(scu_base + 8);
- tmp &= ~clr;
- tmp |= set;
- spin_unlock(&scu_lock);
-
- /* disable cache coherency after releasing the lock */
- __raw_writel(tmp, scu_base + 8);
-}
-
static unsigned int __init r8a7779_get_core_count(void)
{
void __iomem *scu_base = scu_base_addr();
@@ -102,7 +85,7 @@ static int r8a7779_platform_cpu_kill(unsigned int cpu)
cpu = cpu_logical_map(cpu);
/* disable cache coherency */
- modify_scu_cpu_psr(3 << (cpu * 8), 0);
+ scu_power_mode(scu_base_addr(), 3);
if (cpu < ARRAY_SIZE(r8a7779_ch_cpu))
ch = r8a7779_ch_cpu[cpu];
@@ -145,7 +128,7 @@ static int __cpuinit r8a7779_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_addr(), 0);
if (cpu < ARRAY_SIZE(r8a7779_ch_cpu))
ch = r8a7779_ch_cpu[cpu];
@@ -158,15 +141,13 @@ static int __cpuinit r8a7779_boot_secondary(unsigned int cpu, struct task_struct
static void __init r8a7779_smp_prepare_cpus(unsigned int max_cpus)
{
- int cpu = cpu_logical_map(0);
-
scu_enable(scu_base_addr());
/* Map the reset vector (in headsmp.S) */
__raw_writel(__pa(shmobile_secondary_vector), AVECR);
/* enable cache coherency on CPU0 */
- modify_scu_cpu_psr(0, 3 << (cpu * 8));
+ scu_power_mode(scu_base_addr(), 0);
r8a7779_pm_init();