sh: Split out the idle loop for reuse between _32/_64 variants.
[safe/jmp/linux-2.6] / arch / sh / kernel / process_64.c
index b7aa092..597cf02 100644 (file)
 
 struct task_struct *last_task_used_math = NULL;
 
-static int hlt_counter = 1;
-
-#define HARD_IDLE_TIMEOUT (HZ / 3)
-
-static int __init nohlt_setup(char *__unused)
-{
-       hlt_counter = 1;
-       return 1;
-}
-
-static int __init hlt_setup(char *__unused)
-{
-       hlt_counter = 0;
-       return 1;
-}
-
-__setup("nohlt", nohlt_setup);
-__setup("hlt", hlt_setup);
-
-static inline void hlt(void)
-{
-       __asm__ __volatile__ ("sleep" : : : "memory");
-}
-
-/*
- * The idle loop on a uniprocessor SH..
- */
-void cpu_idle(void)
-{
-       /* endless idle loop with no priority at all */
-       while (1) {
-               if (hlt_counter) {
-                       while (!need_resched())
-                               cpu_relax();
-               } else {
-                       local_irq_disable();
-                       while (!need_resched()) {
-                               local_irq_enable();
-                               hlt();
-                               local_irq_disable();
-                       }
-                       local_irq_enable();
-               }
-               preempt_enable_no_resched();
-               schedule();
-               preempt_disable();
-       }
-
-}
-
 void machine_restart(char * __unused)
 {
        extern void phys_stext(void);
@@ -97,13 +47,6 @@ void machine_halt(void)
 
 void machine_power_off(void)
 {
-#if 0
-       /* Disable watchdog timer */
-       ctrl_outl(0xa5000000, WTCSR);
-       /* Configure deep standby on sleep */
-       ctrl_outl(0x03, STBCR);
-#endif
-
        __asm__ __volatile__ (
                "sleep\n\t"
                "synci\n\t"
@@ -113,9 +56,6 @@ void machine_power_off(void)
        panic("Unexpected wakeup!\n");
 }
 
-void (*pm_power_off)(void) = machine_power_off;
-EXPORT_SYMBOL(pm_power_off);
-
 void show_regs(struct pt_regs * regs)
 {
        unsigned long long ah, al, bh, bl, ch, cl;