sparc32: refactor cpu_idle()
With the removal of sun4c we can use the same cpu_idle() implementation on UP and SMP. This also fix it so we use the same version independent on LEON enabled or not. V2: Fixed whitespace issue pointed out by Josip Rodin. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Josip Rodin <joy@entuzijast.net> Cc: Daniel Hellstrom <daniel@gaisler.com> Cc: Konrad Eisele <konrad@gaisler.com>
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@ -65,50 +65,25 @@ extern void fpsave(unsigned long *, unsigned long *, void *, unsigned long *);
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struct task_struct *last_task_used_math = NULL;
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struct thread_info *current_set[NR_CPUS];
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#ifndef CONFIG_SMP
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/*
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* the idle loop on a Sparc... ;)
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*/
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void cpu_idle(void)
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{
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set_thread_flag(TIF_POLLING_NRFLAG);
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/* endless idle loop with no priority at all */
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for (;;) {
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if (pm_idle) {
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while (!need_resched())
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while (!need_resched()) {
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if (pm_idle)
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(*pm_idle)();
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} else {
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while (!need_resched())
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else
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cpu_relax();
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}
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schedule_preempt_disabled();
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}
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}
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#else
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/* This is being executed in task 0 'user space'. */
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void cpu_idle(void)
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{
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set_thread_flag(TIF_POLLING_NRFLAG);
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/* endless idle loop with no priority at all */
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while(1) {
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#ifdef CONFIG_SPARC_LEON
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if (pm_idle) {
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while (!need_resched())
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(*pm_idle)();
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} else
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#endif
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{
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while (!need_resched())
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cpu_relax();
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}
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schedule_preempt_disabled();
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}
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}
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#endif
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/* XXX cli/sti -> local_irq_xxx here, check this works once SMP is fixed. */
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void machine_halt(void)
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{
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