alpha: Use generic idle loop

The core provides a generic idle poll loop.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Link: http://lkml.kernel.org/r/20130321215233.766017538@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

2 files changed, 1 insertions, 21 deletions

diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 63d27fb9b023..a3fd8a29ccac 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -46,25 +46,6 @@
 void (*pm_power_off)(void) = machine_power_off;
 EXPORT_SYMBOL(pm_power_off);
 
-void
-cpu_idle(void)
-{
-        current_thread_info()->status |= TS_POLLING;
-
-        while (1) {
-                /* FIXME -- EV6 and LCA45 know how to power down
-                   the CPU.  */
-
-                rcu_idle_enter();
-                while (!need_resched())
-                        cpu_relax();
-
-                rcu_idle_exit();
-                schedule_preempt_disabled();
-        }
-}
-
-
 struct halt_info {
         int mode;
         char *restart_cmd;
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 9603bc234b47..7b60834fb4b2 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -167,8 +167,7 @@ smp_callin(void)
               cpuid, current, current->active_mm));
 
         preempt_disable();
-        /* Do nothing.  */
-        cpu_idle();
+        cpu_startup_entry(CPUHP_ONLINE);
 }
 
 /* Wait until hwrpb->txrdy is clear for cpu.  Return -1 on timeout.  */