[MIPS] remove unneeded button check for reset

Removed unneeded button check for reset.
Because, the Cobalt has power switch.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

2 files changed, 3 insertions, 33 deletions

diff --git a/arch/mips/cobalt/reset.c b/arch/mips/cobalt/reset.c
index 71eb4ccc4bc1..c3d1baa5bcf1 100644
--- a/arch/mips/cobalt/reset.c
+++ b/arch/mips/cobalt/reset.c
@@ -10,7 +10,6 @@
  */
 #include <linux/init.h>
 #include <linux/io.h>
-#include <linux/jiffies.h>
 #include <linux/leds.h>
 
 #include <cobalt.h>
@@ -29,29 +28,13 @@ 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) ;
 }
 
 void cobalt_machine_restart(char *command)
diff --git a/include/asm-mips/mach-cobalt/cobalt.h b/include/asm-mips/mach-cobalt/cobalt.h
index a79e7caf3a86..5b9fce73f11d 100644
--- a/include/asm-mips/mach-cobalt/cobalt.h
+++ b/include/asm-mips/mach-cobalt/cobalt.h
@@ -1,5 +1,5 @@
 /*
- * Lowlevel hardware stuff for the MIPS based Cobalt microservers.
+ * The Cobalt board ID information.
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -12,9 +12,6 @@
 #ifndef __ASM_COBALT_H
 #define __ASM_COBALT_H
 
-/*
- * The Cobalt board ID information.
- */
 extern int cobalt_board_id;
 
 #define COBALT_BRD_ID_QUBE1    0x3
@@ -22,14 +19,4 @@ extern int cobalt_board_id;
 #define COBALT_BRD_ID_QUBE2    0x5
 #define COBALT_BRD_ID_RAQ2     0x6
 
-#define COBALT_KEY_PORT         ((~*(volatile unsigned int *) CKSEG1ADDR(0x1d000000) >> 24) & COBALT_KEY_MASK)
-# define COBALT_KEY_CLEAR       (1 << 1)
-# define COBALT_KEY_LEFT        (1 << 2)
-# define COBALT_KEY_UP          (1 << 3)
-# define COBALT_KEY_DOWN        (1 << 4)
-# define COBALT_KEY_RIGHT       (1 << 5)
-# define COBALT_KEY_ENTER       (1 << 6)
-# define COBALT_KEY_SELECT      (1 << 7)
-# define COBALT_KEY_MASK        0xfe
-
 #endif /* __ASM_COBALT_H */