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[PATCH][1/2][MIPS] remove unneeded button check for reset

To: Ralf Baechle <ralf@linux-mips.org>
Subject: [PATCH][1/2][MIPS] remove unneeded button check for reset
From: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Date: Wed, 12 Dec 2007 22:20:19 +0900
Cc: yoichi_yuasa@tripeaks.co.jp, linux-mips <linux-mips@linux-mips.org>
Organization: TriPeaks Corporation
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
Removed unneeded button check for reset.
Because, the Cobalt has power switch.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>

diff -pruN -X mips/Documentation/dontdiff mips-orig/arch/mips/cobalt/reset.c 
mips/arch/mips/cobalt/reset.c
--- mips-orig/arch/mips/cobalt/reset.c  2007-10-22 08:37:03.176567500 +0900
+++ mips/arch/mips/cobalt/reset.c       2007-10-22 09:28:23.004538000 +0900
@@ -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 +28,14 @@ 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();
+       printk(KERN_INFO "You can switch the machine off now.\n");
+       while (1) ;
 }
 
 void cobalt_machine_restart(char *command)
diff -pruN -X mips/Documentation/dontdiff 
mips-orig/include/asm-mips/mach-cobalt/cobalt.h 
mips/include/asm-mips/mach-cobalt/cobalt.h
--- mips-orig/include/asm-mips/mach-cobalt/cobalt.h     2007-10-22 
08:40:46.866547250 +0900
+++ mips/include/asm-mips/mach-cobalt/cobalt.h  2007-10-22 09:27:42.101981750 
+0900
@@ -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 */

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