The Tegra114 could hotplug the CPU0, but the common cpu_disable didn't
support that. Adding a Tegra specific cpu_disable function for it.
Signed-off-by: Joseph Lo <josephl@nvidia.com>
[swarren: adjusted the switch statement to be future-proof]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
extern int tegra_cpu_kill(unsigned int cpu);
extern void tegra_cpu_die(unsigned int cpu);
+extern int tegra_cpu_disable(unsigned int cpu);
BUG();
}
+int tegra_cpu_disable(unsigned int cpu)
+{
+ switch (tegra_chip_id) {
+ case TEGRA20:
+ case TEGRA30:
+ return cpu == 0 ? -EPERM : 0;
+ default:
+ return 0;
+ }
+}
+
void __init tegra_hotplug_init(void)
{
if (!IS_ENABLED(CONFIG_HOTPLUG_CPU))
#ifdef CONFIG_HOTPLUG_CPU
.cpu_kill = tegra_cpu_kill,
.cpu_die = tegra_cpu_die,
+ .cpu_disable = tegra_cpu_disable,
#endif
};