diff options
Diffstat (limited to 'arch/arm/mach-tegra/hotplug.c')
| -rw-r--r-- | arch/arm/mach-tegra/hotplug.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c index ff26af26bd0c..6fc71f1534b0 100644 --- a/arch/arm/mach-tegra/hotplug.c +++ b/arch/arm/mach-tegra/hotplug.c @@ -7,13 +7,16 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ + +#include <linux/clk/tegra.h> #include <linux/kernel.h> #include <linux/smp.h> -#include <linux/clk/tegra.h> + +#include <soc/tegra/common.h> +#include <soc/tegra/fuse.h> #include <asm/smp_plat.h> -#include "fuse.h" #include "sleep.h" static void (*tegra_hotplug_shutdown)(void); @@ -36,6 +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); @@ -46,17 +54,23 @@ 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 (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) && tegra_chip_id == TEGRA20) + 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; - if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) && tegra_chip_id == TEGRA30) + if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) && tegra_get_chip_id() == TEGRA30) tegra_hotplug_shutdown = tegra30_hotplug_shutdown; - if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) && tegra_chip_id == TEGRA114) + if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) && tegra_get_chip_id() == TEGRA114) tegra_hotplug_shutdown = tegra30_hotplug_shutdown; - if (IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) && tegra_chip_id == TEGRA124) + 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); |