c6x: Use generic idle 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: Mark Salter <msalter@redhat.com>
Link: http://lkml.kernel.org/r/20130321215234.087033904@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

2 files changed, 2 insertions, 27 deletions

diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig
index f6a3648f5ec3..af2aa4b44140 100644
--- a/arch/c6x/Kconfig
+++ b/arch/c6x/Kconfig
@@ -18,6 +18,7 @@ config C6X
         select OF_EARLY_FLATTREE
         select GENERIC_CLOCKEVENTS
         select MODULES_USE_ELF_RELA
+        select GENERIC_IDLE_LOOP
 
 config MMU
         def_bool n
diff --git a/arch/c6x/kernel/process.c b/arch/c6x/kernel/process.c
index 6434df476f77..57d2ea8d1977 100644
--- a/arch/c6x/kernel/process.c
+++ b/arch/c6x/kernel/process.c
@@ -33,7 +33,7 @@ extern asmlinkage void ret_from_kernel_thread(void);
 void (*pm_power_off)(void);
 EXPORT_SYMBOL(pm_power_off);
 
-static void c6x_idle(void)
+void arch_cpu_idle(void)
 {
         unsigned long tmp;
 
@@ -49,32 +49,6 @@ static void c6x_idle(void)
                       : "=b"(tmp));
 }
 
-/*
- * The idle loop for C64x
- */
-void cpu_idle(void)
-{
-        /* endless idle loop with no priority at all */
-        while (1) {
-                tick_nohz_idle_enter();
-                rcu_idle_enter();
-                while (1) {
-                        local_irq_disable();
-                        if (need_resched()) {
-                                local_irq_enable();
-                                break;
-                        }
-                        c6x_idle(); /* enables local irqs */
-                }
-                rcu_idle_exit();
-                tick_nohz_idle_exit();
-
-                preempt_enable_no_resched();
-                schedule();
-                preempt_disable();
-        }
-}
-
 static void halt_loop(void)
 {
         printk(KERN_EMERG "System Halted, OK to turn off power\n");