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authorThomas Gleixner <tglx@linutronix.de>2011-05-14 12:06:36 +0200
committerThomas Gleixner <tglx@linutronix.de>2011-05-14 12:06:36 +0200
commita18f22a968de17b29f2310cdb7ba69163e65ec15 (patch)
treea7d56d88fad5e444d7661484109758a2f436129e /arch/x86/kernel/apm_32.c
parenta1c57e0fec53defe745e64417eacdbd3618c3e66 (diff)
parent798778b8653f64b7b2162ac70eca10367cff6ce8 (diff)
downloadtalos-op-linux-a18f22a968de17b29f2310cdb7ba69163e65ec15.tar.gz
talos-op-linux-a18f22a968de17b29f2310cdb7ba69163e65ec15.zip
Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts: arch/ia64/kernel/cyclone.c arch/mips/kernel/i8253.c arch/x86/kernel/i8253.c Reason: Resolve conflicts so further cleanups do not conflict further Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/apm_32.c')
-rw-r--r--arch/x86/kernel/apm_32.c24
1 files changed, 9 insertions, 15 deletions
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 0e4f24c2a746..adee12e0da1f 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -66,7 +66,7 @@
* 1.5: Fix segment register reloading (in case of bad segments saved
* across BIOS call).
* Stephen Rothwell
- * 1.6: Cope with complier/assembler differences.
+ * 1.6: Cope with compiler/assembler differences.
* Only try to turn off the first display device.
* Fix OOPS at power off with no APM BIOS by Jan Echternach
* <echter@informatik.uni-rostock.de>
@@ -227,6 +227,8 @@
#include <linux/suspend.h>
#include <linux/kthread.h>
#include <linux/jiffies.h>
+#include <linux/acpi.h>
+#include <linux/syscore_ops.h>
#include <asm/system.h>
#include <asm/uaccess.h>
@@ -975,20 +977,10 @@ recalc:
static void apm_power_off(void)
{
- unsigned char po_bios_call[] = {
- 0xb8, 0x00, 0x10, /* movw $0x1000,ax */
- 0x8e, 0xd0, /* movw ax,ss */
- 0xbc, 0x00, 0xf0, /* movw $0xf000,sp */
- 0xb8, 0x07, 0x53, /* movw $0x5307,ax */
- 0xbb, 0x01, 0x00, /* movw $0x0001,bx */
- 0xb9, 0x03, 0x00, /* movw $0x0003,cx */
- 0xcd, 0x15 /* int $0x15 */
- };
-
/* Some bioses don't like being called from CPU != 0 */
if (apm_info.realmode_power_off) {
set_cpus_allowed_ptr(current, cpumask_of(0));
- machine_real_restart(po_bios_call, sizeof(po_bios_call));
+ machine_real_restart(MRR_APM);
} else {
(void)set_system_power_state(APM_STATE_OFF);
}
@@ -1247,6 +1239,7 @@ static int suspend(int vetoable)
local_irq_disable();
sysdev_suspend(PMSG_SUSPEND);
+ syscore_suspend();
local_irq_enable();
@@ -1264,6 +1257,7 @@ static int suspend(int vetoable)
apm_error("suspend", err);
err = (err == APM_SUCCESS) ? 0 : -EIO;
+ syscore_resume();
sysdev_resume();
local_irq_enable();
@@ -1289,6 +1283,7 @@ static void standby(void)
local_irq_disable();
sysdev_suspend(PMSG_SUSPEND);
+ syscore_suspend();
local_irq_enable();
err = set_system_power_state(APM_STATE_STANDBY);
@@ -1296,6 +1291,7 @@ static void standby(void)
apm_error("standby", err);
local_irq_disable();
+ syscore_resume();
sysdev_resume();
local_irq_enable();
@@ -2331,12 +2327,11 @@ static int __init apm_init(void)
apm_info.disabled = 1;
return -ENODEV;
}
- if (pm_flags & PM_ACPI) {
+ if (!acpi_disabled) {
printk(KERN_NOTICE "apm: overridden by ACPI.\n");
apm_info.disabled = 1;
return -ENODEV;
}
- pm_flags |= PM_APM;
/*
* Set up the long jump entry point to the APM BIOS, which is called
@@ -2428,7 +2423,6 @@ static void __exit apm_exit(void)
kthread_stop(kapmd_task);
kapmd_task = NULL;
}
- pm_flags &= ~PM_APM;
}
module_init(apm_init);
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