diff options
Diffstat (limited to 'arch/arm/mach-shmobile/smp-emev2.c')
| -rw-r--r-- | arch/arm/mach-shmobile/smp-emev2.c | 22 |
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) |