powerpc: Factor out common code in setup-common.c

Factor out a small bit of common code in machine_restart(),
machine_power_off() and machine_halt().

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index dba265c586df010fea218aa2c3d54102c5dbb708..a730d5b25eb4d4031fcbdc77b0ee006ee4eab104 100644 (file)
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -131,15 +131,22 @@ void machine_shutdown(void)
                ppc_md.machine_shutdown();
 }
 
+static void machine_hang(void)
+{
+       pr_emerg("System Halted, OK to turn off power\n");
+       local_irq_disable();
+       while (1)
+               ;
+}
+
 void machine_restart(char *cmd)
 {
        machine_shutdown();
        if (ppc_md.restart)
                ppc_md.restart(cmd);
+
        smp_send_stop();
-       printk(KERN_EMERG "System Halted, OK to turn off power\n");
-       local_irq_disable();
-       while (1) ;
+       machine_hang();
 }
 
 void machine_power_off(void)
@@ -147,10 +154,9 @@ void machine_power_off(void)
        machine_shutdown();
        if (pm_power_off)
                pm_power_off();
+
        smp_send_stop();
-       printk(KERN_EMERG "System Halted, OK to turn off power\n");
-       local_irq_disable();
-       while (1) ;
+       machine_hang();
 }
 /* Used by the G5 thermal driver */
 EXPORT_SYMBOL_GPL(machine_power_off);
@@ -163,10 +169,9 @@ void machine_halt(void)
        machine_shutdown();
        if (ppc_md.halt)
                ppc_md.halt();
+
        smp_send_stop();
-       printk(KERN_EMERG "System Halted, OK to turn off power\n");
-       local_irq_disable();
-       while (1) ;
+       machine_hang();
 }