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authorDavid S. Miller <davem@sunset.davemloft.net>2007-07-18 13:12:45 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-07-19 21:26:42 -0700
commita376178011c9db0b704bb1f9b4719d873847362e (patch)
tree3b7919a378439b90024214cbe70f84a020c3b31a
parent9a79b2274186fade17134929d4f85b70d59a3840 (diff)
[SPARC64]: Use orderly_poweroff().
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--arch/sparc64/kernel/ds.c6
-rw-r--r--arch/sparc64/kernel/power.c60
-rw-r--r--include/asm-sparc64/power.h7
3 files changed, 4 insertions, 69 deletions
diff --git a/arch/sparc64/kernel/ds.c b/arch/sparc64/kernel/ds.c
index fa1f04d756a..1a2062ecb0b 100644
--- a/arch/sparc64/kernel/ds.c
+++ b/arch/sparc64/kernel/ds.c
@@ -13,11 +13,11 @@
#include <linux/delay.h>
#include <linux/mutex.h>
#include <linux/kthread.h>
+#include <linux/reboot.h>
#include <linux/cpu.h>
#include <asm/ldc.h>
#include <asm/vio.h>
-#include <asm/power.h>
#include <asm/mdesc.h>
#include <asm/head.h>
#include <asm/irq.h>
@@ -328,7 +328,7 @@ static void domain_shutdown_data(struct ldc_channel *lp,
ds_send(lp, &pkt, sizeof(pkt));
- wake_up_powerd();
+ orderly_poweroff(true);
}
struct ds_panic_req {
@@ -1133,8 +1133,6 @@ static int __devinit ds_probe(struct vio_dev *vdev,
ds_info = dp;
- start_powerd();
-
return err;
out_free_ldc:
diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c
index 8dd4294ad21..7471e844724 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)
@@ -142,9 +89,6 @@ static int __devinit power_probe(struct of_device *op, const struct of_device_id
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");
diff --git a/include/asm-sparc64/power.h b/include/asm-sparc64/power.h
deleted file mode 100644
index 94495c1ac4f..00000000000
--- a/include/asm-sparc64/power.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef _SPARC64_POWER_H
-#define _SPARC64_POWER_H
-
-extern void wake_up_powerd(void);
-extern int start_powerd(void);
-
-#endif /* !(_SPARC64_POWER_H) */