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Diffstat (limited to 'arch/sparc64/kernel/power.c')
-rw-r--r--arch/sparc64/kernel/power.c64
1 files changed, 3 insertions, 61 deletions
diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c
index fdc0d0b5a910..b00feb01c16f 100644
--- a/arch/sparc64/kernel/power.c
+++ b/arch/sparc64/kernel/power.c
@@ -12,13 +12,13 @@
#include <linux/interrupt.h>
#include <linux/pm.h>
#include <linux/syscalls.h>
+#include <linux/reboot.h>
#include <asm/system.h>
#include <asm/auxio.h>
#include <asm/prom.h>
#include <asm/of_device.h>
#include <asm/io.h>
-#include <asm/power.h>
#include <asm/sstate.h>
#include <linux/unistd.h>
@@ -31,20 +31,9 @@ int scons_pwroff = 1;
static void __iomem *power_reg;
-static DECLARE_WAIT_QUEUE_HEAD(powerd_wait);
-static int button_pressed;
-
-void wake_up_powerd(void)
-{
- if (button_pressed == 0) {
- button_pressed = 1;
- wake_up(&powerd_wait);
- }
-}
-
static irqreturn_t power_handler(int irq, void *dev_id)
{
- wake_up_powerd();
+ orderly_poweroff(true);
/* FIXME: Check registers for status... */
return IRQ_HANDLED;
@@ -77,48 +66,6 @@ void machine_power_off(void)
void (*pm_power_off)(void) = machine_power_off;
EXPORT_SYMBOL(pm_power_off);
-static int powerd(void *__unused)
-{
- static char *envp[] = { "HOME=/", "TERM=linux", "PATH=/sbin:/usr/sbin:/bin:/usr/bin", NULL };
- char *argv[] = { "/sbin/shutdown", "-h", "now", NULL };
- DECLARE_WAITQUEUE(wait, current);
-
- daemonize("powerd");
-
- add_wait_queue(&powerd_wait, &wait);
-
- for (;;) {
- set_task_state(current, TASK_INTERRUPTIBLE);
- if (button_pressed)
- break;
- flush_signals(current);
- schedule();
- }
- __set_current_state(TASK_RUNNING);
- remove_wait_queue(&powerd_wait, &wait);
-
- /* Ok, down we go... */
- button_pressed = 0;
- if (kernel_execve("/sbin/shutdown", argv, envp) < 0) {
- printk(KERN_ERR "powerd: shutdown execution failed\n");
- machine_power_off();
- }
- return 0;
-}
-
-int start_powerd(void)
-{
- int err;
-
- err = kernel_thread(powerd, NULL, CLONE_FS);
- if (err < 0)
- printk(KERN_ERR "power: Failed to start power daemon.\n");
- else
- printk(KERN_INFO "power: powerd running.\n");
-
- return err;
-}
-
static int __init has_button_interrupt(unsigned int irq, struct device_node *dp)
{
if (irq == 0xffffffff)
@@ -136,20 +83,15 @@ static int __devinit power_probe(struct of_device *op, const struct of_device_id
power_reg = of_ioremap(res, 0, 0x4, "power");
- printk("%s: Control reg at %lx ... ",
+ printk(KERN_INFO "%s: Control reg at %lx\n",
op->node->name, res->start);
poweroff_method = machine_halt; /* able to use the standard halt */
if (has_button_interrupt(irq, op->node)) {
- if (start_powerd() < 0)
- return 0;
-
if (request_irq(irq,
power_handler, 0, "power", NULL) < 0)
printk(KERN_ERR "power: Cannot setup IRQ handler.\n");
- } else {
- printk(KERN_INFO "power: Not using powerd.\n");
}
return 0;