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ARM: shmobile: r8a7779: Rely on DT for SMP CPU info

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Remove r8a7779 specific ->smp_init_cpus() callback and
instead of relying on shmobile_smp_init_cpus() simply
use DT for CPU core information.

Based on work for the sh73a0 by Magnus Damm.

Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Simon Horman 2013-07-24 17:11:46 +09:00
parent 7ebbb4ae6f
commit afad20105a
1 changed files with 3 additions and 9 deletions
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12
arch/arm/mach-shmobile/smp-r8a7779.c
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@ -99,6 +99,9 @@ static int __cpuinit r8a7779_boot_secondary(unsigned int cpu, struct task_struct
static void __init r8a7779_smp_prepare_cpus(unsigned int max_cpus)
{
/* setup r8a7779 specific SCU base */
shmobile_scu_base = IOMEM(R8A7779_SCU_BASE);
scu_enable(shmobile_scu_base);
/* Map the reset vector (in headsmp-scu.S, headsmp.S) */
@ -117,14 +120,6 @@ static void __init r8a7779_smp_prepare_cpus(unsigned int max_cpus)
r8a7779_platform_cpu_kill(3);
}
static void __init r8a7779_smp_init_cpus(void)
{
/* setup r8a7779 specific SCU base */
shmobile_scu_base = IOMEM(R8A7779_SCU_BASE);
shmobile_smp_init_cpus(scu_get_core_count(shmobile_scu_base));
}
#ifdef CONFIG_HOTPLUG_CPU
static int r8a7779_scu_psr_core_disabled(int cpu)
{
@ -175,7 +170,6 @@ static int r8a7779_cpu_disable(unsigned int cpu)
#endif /* CONFIG_HOTPLUG_CPU */
struct smp_operations r8a7779_smp_ops __initdata = {
.smp_init_cpus = r8a7779_smp_init_cpus,
.smp_prepare_cpus = r8a7779_smp_prepare_cpus,
.smp_boot_secondary = r8a7779_boot_secondary,
#ifdef CONFIG_HOTPLUG_CPU