[MIPS] TXx9: Cleanup restart/halt/power_off

Unify machine_restart/machine_halt/pm_power_off and add fallback
machine_halt routine.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 2 insertions, 24 deletions

diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c
index 4454b7901cd..e1177b3b910 100644
--- a/arch/mips/txx9/rbtx4938/setup.c
+++ b/arch/mips/txx9/rbtx4938/setup.c
@@ -15,7 +15,6 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/console.h>
-#include <linux/pm.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 
@@ -28,33 +27,14 @@
 #include <asm/txx9/spi.h>
 #include <asm/txx9pio.h>
 
-static void rbtx4938_machine_halt(void)
-{
-        printk(KERN_NOTICE "System Halted\n");
-        local_irq_disable();
-
-        while (1)
-                __asm__(".set\tmips3\n\t"
-                        "wait\n\t"
-                        ".set\tmips0");
-}
-
-static void rbtx4938_machine_power_off(void)
-{
-        rbtx4938_machine_halt();
-        /* no return */
-}
-
 static void rbtx4938_machine_restart(char *command)
 {
         local_irq_disable();
-
-        printk("Rebooting...");
         writeb(1, rbtx4938_softresetlock_addr);
         writeb(1, rbtx4938_sfvol_addr);
         writeb(1, rbtx4938_softreset_addr);
-        while(1)
-                ;
+        /* fallback */
+        (*_machine_halt)();
 }
 
 static void __init rbtx4938_pci_setup(void)
@@ -263,8 +243,6 @@ static void __init rbtx4938_mem_setup(void)
                 printk("request resource for fpga failed\n");
 
         _machine_restart = rbtx4938_machine_restart;
-        _machine_halt = rbtx4938_machine_halt;
-        pm_power_off = rbtx4938_machine_power_off;
 
         writeb(0xff, rbtx4938_led_addr);
         printk(KERN_INFO "RBTX4938 --- FPGA(Rev %02x) DIPSW:%02x,%02x\n",