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-rw-r--r--arch/m32r/Kconfig1
-rw-r--r--arch/m32r/kernel/process.c18
-rw-r--r--arch/m32r/kernel/smpboot.c2
3 files changed, 2 insertions, 19 deletions
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index bcd17b206571..af814fe478ae 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -13,6 +13,7 @@ config M32R
select VIRT_TO_BUS
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
+ select GENERIC_IDLE_LOOP
select GENERIC_ATOMIC64
select ARCH_USES_GETTIMEOFFSET
select MODULES_USE_ELF_RELA
diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c
index bde899e155d3..e2d049018c3b 100644
--- a/arch/m32r/kernel/process.c
+++ b/arch/m32r/kernel/process.c
@@ -47,24 +47,6 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
void (*pm_power_off)(void) = NULL;
EXPORT_SYMBOL(pm_power_off);
-/*
- * The idle thread. There's no useful work to be
- * done, so just try to conserve power and have a
- * low exit latency (ie sit in a loop waiting for
- * somebody to say that they'd like to reschedule)
- */
-void cpu_idle (void)
-{
- /* endless idle loop with no priority at all */
- while (1) {
- rcu_idle_enter();
- while (!need_resched())
- cpu_relax();
- rcu_idle_exit();
- schedule_preempt_disabled();
- }
-}
-
void machine_restart(char *__unused)
{
#if defined(CONFIG_PLAT_MAPPI3)
diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c
index 13168a769f8f..0ac558adc605 100644
--- a/arch/m32r/kernel/smpboot.c
+++ b/arch/m32r/kernel/smpboot.c
@@ -432,7 +432,7 @@ int __init start_secondary(void *unused)
*/
local_flush_tlb_all();
- cpu_idle();
+ cpu_startup_entry(CPUHP_ONLINE);
return 0;
}