ARM: SoC: convert ux500 to SMP operations
Convert ux500 platforms to use struct smp_operations to provide their SMP and CPU hotplug operations. Cc: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com> Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
这个提交包含在:
@@ -58,7 +58,7 @@ static void __iomem *scu_base_addr(void)
|
||||
|
||||
static DEFINE_SPINLOCK(boot_lock);
|
||||
|
||||
void __cpuinit platform_secondary_init(unsigned int cpu)
|
||||
static void __cpuinit ux500_secondary_init(unsigned int cpu)
|
||||
{
|
||||
/*
|
||||
* if any interrupts are already enabled for the primary
|
||||
@@ -80,7 +80,7 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
|
||||
spin_unlock(&boot_lock);
|
||||
}
|
||||
|
||||
int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
|
||||
static int __cpuinit ux500_boot_secondary(unsigned int cpu, struct task_struct *idle)
|
||||
{
|
||||
unsigned long timeout;
|
||||
|
||||
@@ -145,7 +145,7 @@ static void __init wakeup_secondary(void)
|
||||
* Initialise the CPU possible map early - this describes the CPUs
|
||||
* which may be present or become present in the system.
|
||||
*/
|
||||
void __init smp_init_cpus(void)
|
||||
static void __init ux500_smp_init_cpus(void)
|
||||
{
|
||||
void __iomem *scu_base = scu_base_addr();
|
||||
unsigned int i, ncores;
|
||||
@@ -165,9 +165,19 @@ void __init smp_init_cpus(void)
|
||||
set_smp_cross_call(gic_raise_softirq);
|
||||
}
|
||||
|
||||
void __init platform_smp_prepare_cpus(unsigned int max_cpus)
|
||||
static void __init ux500_smp_prepare_cpus(unsigned int max_cpus)
|
||||
{
|
||||
|
||||
scu_enable(scu_base_addr());
|
||||
wakeup_secondary();
|
||||
}
|
||||
|
||||
struct smp_operations ux500_smp_ops __initdata = {
|
||||
.smp_init_cpus = ux500_smp_init_cpus,
|
||||
.smp_prepare_cpus = ux500_smp_prepare_cpus,
|
||||
.smp_secondary_init = ux500_secondary_init,
|
||||
.smp_boot_secondary = ux500_boot_secondary,
|
||||
#ifdef CONFIG_HOTPLUG_CPU
|
||||
.cpu_die = ux500_cpu_die,
|
||||
#endif
|
||||
};
|
||||
|
在新工单中引用
屏蔽一个用户