ARM: SoC: convert Tegra to SMP operations
Convert Tegra to use struct smp_operations to provide its SMP
and CPU hotplug operations.
Tested on Harmony.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 1a208db..24bfb653 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -32,6 +32,8 @@
#include "flowctrl.h"
#include "reset.h"
+#include "common.h"
+
extern void tegra_secondary_startup(void);
static void __iomem *scu_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE);
@@ -50,7 +52,7 @@
#define CPU_CLOCK(cpu) (0x1<<(8+cpu))
#define CPU_RESET(cpu) (0x1111ul<<(cpu))
-void __cpuinit platform_secondary_init(unsigned int cpu)
+static void __cpuinit tegra_secondary_init(unsigned int cpu)
{
/*
* if any interrupts are already enabled for the primary
@@ -117,7 +119,7 @@
return 0;
}
-int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
+static int __cpuinit tegra_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
int status;
@@ -165,7 +167,7 @@
* 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 tegra_smp_init_cpus(void)
{
unsigned int i, ncores = scu_get_core_count(scu_base);
@@ -181,8 +183,18 @@
set_smp_cross_call(gic_raise_softirq);
}
-void __init platform_smp_prepare_cpus(unsigned int max_cpus)
+static void __init tegra_smp_prepare_cpus(unsigned int max_cpus)
{
tegra_cpu_reset_handler_init();
scu_enable(scu_base);
}
+
+struct smp_operations tegra_smp_ops __initdata = {
+ .smp_init_cpus = tegra_smp_init_cpus,
+ .smp_prepare_cpus = tegra_smp_prepare_cpus,
+ .smp_secondary_init = tegra_secondary_init,
+ .smp_boot_secondary = tegra_boot_secondary,
+#ifdef CONFIG_HOTPLUG_CPU
+ .cpu_die = tegra_cpu_die,
+#endif
+};