Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

[firefly-linux-kernel-4.4.55.git] / arch / mips / cobalt / reset.c

diff --git a/arch/mips/cobalt/reset.c b/arch/mips/cobalt/reset.c
index 71eb4ccc4bc15e2a369b26d129526dd1a39e290d..516b4428df4ecd3ac5b45a6397f8ffe4a2e070c1 100644 (file)
--- a/arch/mips/cobalt/reset.c
+++ b/arch/mips/cobalt/reset.c
@@ -10,9 +10,10 @@
  */
 #include <linux/init.h>
 #include <linux/io.h>
-#include <linux/jiffies.h>
 #include <linux/leds.h>
 
+#include <asm/processor.h>
+
 #include <cobalt.h>
 
 #define RESET_PORT     ((void __iomem *)CKSEG1ADDR(0x1c000000))
@@ -29,28 +30,15 @@ device_initcall(ledtrig_power_off_init);
 
 void cobalt_machine_halt(void)
 {
-       int state, last, diff;
-       unsigned long mark;
-
        /*
         * turn on power off LED on RaQ
-        *
-        * restart if ENTER and SELECT are pressed
         */
-
-       last = COBALT_KEY_PORT;
-
        led_trigger_event(power_off_led_trigger, LED_FULL);
 
-       for (state = 0;;) {
-               diff = COBALT_KEY_PORT ^ last;
-               last ^= diff;
-
-               if((diff & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)) && !(~last & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)))
-                       writeb(RESET, RESET_PORT);
-
-               for (mark = jiffies; jiffies - mark < HZ;)
-                       ;
+       local_irq_disable();
+       while (1) {
+               if (cpu_wait)
+                       cpu_wait();
        }
 }