sparc32,leon: SMP power down implementation

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index 17529298c50a2e283ede3342830747fe54641384..c8cc461ff75f040a974179aa7383ba501dde017a 100644 (file)
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -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();