diff options
Diffstat (limited to 'arch/arm/mach-tegra/hotplug.c')
| -rw-r--r-- | arch/arm/mach-tegra/hotplug.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c index d60339c996cb..6fc71f1534b0 100644 --- a/arch/arm/mach-tegra/hotplug.c +++ b/arch/arm/mach-tegra/hotplug.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/smp.h> +#include <soc/tegra/common.h> #include <soc/tegra/fuse.h> #include <asm/smp_plat.h> @@ -38,6 +39,11 @@ int tegra_cpu_kill(unsigned cpu) */ void __ref tegra_cpu_die(unsigned int cpu) { + if (!tegra_hotplug_shutdown) { + WARN(1, "hotplug is not yet initialized\n"); + return; + } + /* Clean L1 data cache */ tegra_disable_clean_inv_dcache(TEGRA_FLUSH_CACHE_LOUIS); @@ -48,10 +54,13 @@ void __ref tegra_cpu_die(unsigned int cpu) BUG(); } -void __init tegra_hotplug_init(void) +static int __init tegra_hotplug_init(void) { if (!IS_ENABLED(CONFIG_HOTPLUG_CPU)) - return; + return 0; + + if (!soc_is_tegra()) + return 0; if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) && tegra_get_chip_id() == TEGRA20) tegra_hotplug_shutdown = tegra20_hotplug_shutdown; @@ -61,4 +70,7 @@ void __init tegra_hotplug_init(void) tegra_hotplug_shutdown = tegra30_hotplug_shutdown; if (IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) && tegra_get_chip_id() == TEGRA124) tegra_hotplug_shutdown = tegra30_hotplug_shutdown; + + return 0; } +pure_initcall(tegra_hotplug_init); |