diff options
Diffstat (limited to 'arch/arm/mach-tegra/hotplug.c')
| -rw-r--r-- | arch/arm/mach-tegra/hotplug.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c index d07f152b275f..a52c10e0a857 100644 --- a/arch/arm/mach-tegra/hotplug.c +++ b/arch/arm/mach-tegra/hotplug.c @@ -46,6 +46,17 @@ void __ref tegra_cpu_die(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)) |