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Diffstat (limited to 'arch/arm/mach-tegra/hotplug.c')
-rw-r--r--arch/arm/mach-tegra/hotplug.c30
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);