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sparc32,leon: SMP power down implementation

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Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Hellstrom 2011-04-25 21:48:17 +00:00 committed by David S. Miller
parent 5149bed891
commit 2645e7219e
1 changed files with 10 additions and 2 deletions
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12
arch/sparc/kernel/process_32.c
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@ -128,8 +128,16 @@ void cpu_idle(void)
set_thread_flag(TIF_POLLING_NRFLAG);
/* endless idle loop with no priority at all */
while(1) {
while (!need_resched())
cpu_relax();
#ifdef CONFIG_SPARC_LEON
if (pm_idle) {
while (!need_resched())
(*pm_idle)();
} else
#endif
{
while (!need_resched())
cpu_relax();
}
preempt_enable_no_resched();
schedule();
preempt_disable();