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Diffstat (limited to 'arch/openrisc/kernel/process.c')
-rw-r--r--arch/openrisc/kernel/process.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c
index d7990df9025a..6e9d1cb519f2 100644
--- a/arch/openrisc/kernel/process.c
+++ b/arch/openrisc/kernel/process.c
@@ -75,6 +75,17 @@ void machine_power_off(void)
__asm__("l.nop 1");
}
+/*
+ * Send the doze signal to the cpu if available.
+ * Make sure, that all interrupts are enabled
+ */
+void arch_cpu_idle(void)
+{
+ local_irq_enable();
+ if (mfspr(SPR_UPR) & SPR_UPR_PMP)
+ mtspr(SPR_PMR, mfspr(SPR_PMR) | SPR_PMR_DME);
+}
+
void (*pm_power_off) (void) = machine_power_off;
/*
@@ -226,6 +237,7 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t * fpu)
extern struct thread_info *_switch(struct thread_info *old_ti,
struct thread_info *new_ti);
+extern int lwa_flag;
struct task_struct *__switch_to(struct task_struct *old,
struct task_struct *new)
@@ -243,6 +255,8 @@ struct task_struct *__switch_to(struct task_struct *old,
new_ti = new->stack;
old_ti = old->stack;
+ lwa_flag = 0;
+
current_thread_info_set[smp_processor_id()] = new_ti;
last = (_switch(old_ti, new_ti))->task;