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-rw-r--r--arch/arm/mach-tegra/common.h1
-rw-r--r--arch/arm/mach-tegra/hotplug.c17
-rw-r--r--arch/arm/mach-tegra/platsmp.c1
3 files changed, 13 insertions, 6 deletions
diff --git a/arch/arm/mach-tegra/common.h b/arch/arm/mach-tegra/common.h
index 02f71b4f1e51..32f8eb3fe344 100644
--- a/arch/arm/mach-tegra/common.h
+++ b/arch/arm/mach-tegra/common.h
@@ -1,4 +1,5 @@
1extern struct smp_operations tegra_smp_ops; 1extern struct smp_operations tegra_smp_ops;
2 2
3extern int tegra_cpu_kill(unsigned int cpu);
3extern void tegra_cpu_die(unsigned int cpu); 4extern void tegra_cpu_die(unsigned int cpu);
4extern int tegra_cpu_disable(unsigned int cpu); 5extern int tegra_cpu_disable(unsigned int cpu);
diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c
index d8c683b875d1..6a27de4001ee 100644
--- a/arch/arm/mach-tegra/hotplug.c
+++ b/arch/arm/mach-tegra/hotplug.c
@@ -19,6 +19,17 @@
19 19
20static void (*tegra_hotplug_shutdown)(void); 20static void (*tegra_hotplug_shutdown)(void);
21 21
22int tegra_cpu_kill(unsigned cpu)
23{
24 cpu = cpu_logical_map(cpu);
25
26 /* Clock gate the CPU */
27 tegra_wait_cpu_in_reset(cpu);
28 tegra_disable_cpu_clock(cpu);
29
30 return 1;
31}
32
22/* 33/*
23 * platform-specific code to shutdown a CPU 34 * platform-specific code to shutdown a CPU
24 * 35 *
@@ -26,18 +37,12 @@ static void (*tegra_hotplug_shutdown)(void);
26 */ 37 */
27void __ref tegra_cpu_die(unsigned int cpu) 38void __ref tegra_cpu_die(unsigned int cpu)
28{ 39{
29 cpu = cpu_logical_map(cpu);
30
31 /* Clean L1 data cache */ 40 /* Clean L1 data cache */
32 tegra_disable_clean_inv_dcache(); 41 tegra_disable_clean_inv_dcache();
33 42
34 /* Shut down the current CPU. */ 43 /* Shut down the current CPU. */
35 tegra_hotplug_shutdown(); 44 tegra_hotplug_shutdown();
36 45
37 /* Clock gate the CPU */
38 tegra_wait_cpu_in_reset(cpu);
39 tegra_disable_cpu_clock(cpu);
40
41 /* Should never return here. */ 46 /* Should never return here. */
42 BUG(); 47 BUG();
43} 48}
diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 40f8c37c8178..5882da0f4d8a 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -212,6 +212,7 @@ struct smp_operations tegra_smp_ops __initdata = {
212 .smp_secondary_init = tegra_secondary_init, 212 .smp_secondary_init = tegra_secondary_init,
213 .smp_boot_secondary = tegra_boot_secondary, 213 .smp_boot_secondary = tegra_boot_secondary,
214#ifdef CONFIG_HOTPLUG_CPU 214#ifdef CONFIG_HOTPLUG_CPU
215 .cpu_kill = tegra_cpu_kill,
215 .cpu_die = tegra_cpu_die, 216 .cpu_die = tegra_cpu_die,
216 .cpu_disable = tegra_cpu_disable, 217 .cpu_disable = tegra_cpu_disable,
217#endif 218#endif