diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-02-09 14:58:11 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-02-09 14:58:11 +0100 |
commit | 249d51b53aea1b7cdb1be65a1a9a0c59d9e06f3e (patch) | |
tree | 7fc06930e46ee13d394f5b031166c40206af3189 /drivers/acpi/sleep.c | |
parent | 44581a28e805a31661469c4b466b9cd14b36e7b6 (diff) | |
parent | 8e4921515c1a379539607eb443d51c30f4f7f338 (diff) |
Merge commit 'v2.6.29-rc4' into core/percpu
Conflicts:
arch/x86/mach-voyager/voyager_smp.c
arch/x86/mm/fault.c
Diffstat (limited to 'drivers/acpi/sleep.c')
-rw-r--r-- | drivers/acpi/sleep.c | 53 |
1 files changed, 27 insertions, 26 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 7e3c609cbef..519266654f0 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -90,31 +90,6 @@ void __init acpi_old_suspend_ordering(void) old_suspend_ordering = true; } -/* - * According to the ACPI specification the BIOS should make sure that ACPI is - * enabled and SCI_EN bit is set on wake-up from S1 - S3 sleep states. Still, - * some BIOSes don't do that and therefore we use acpi_enable() to enable ACPI - * on such systems during resume. Unfortunately that doesn't help in - * particularly pathological cases in which SCI_EN has to be set directly on - * resume, although the specification states very clearly that this flag is - * owned by the hardware. The set_sci_en_on_resume variable will be set in such - * cases. - */ -static bool set_sci_en_on_resume; -/* - * The ACPI specification wants us to save NVS memory regions during hibernation - * and to restore them during the subsequent resume. However, it is not certain - * if this mechanism is going to work on all machines, so we allow the user to - * disable this mechanism using the 'acpi_sleep=s4_nonvs' kernel command line - * option. - */ -static bool s4_no_nvs; - -void __init acpi_s4_no_nvs(void) -{ - s4_no_nvs = true; -} - /** * acpi_pm_disable_gpes - Disable the GPEs. */ @@ -193,6 +168,18 @@ static void acpi_pm_end(void) #endif /* CONFIG_ACPI_SLEEP */ #ifdef CONFIG_SUSPEND +/* + * According to the ACPI specification the BIOS should make sure that ACPI is + * enabled and SCI_EN bit is set on wake-up from S1 - S3 sleep states. Still, + * some BIOSes don't do that and therefore we use acpi_enable() to enable ACPI + * on such systems during resume. Unfortunately that doesn't help in + * particularly pathological cases in which SCI_EN has to be set directly on + * resume, although the specification states very clearly that this flag is + * owned by the hardware. The set_sci_en_on_resume variable will be set in such + * cases. + */ +static bool set_sci_en_on_resume; + extern void do_suspend_lowlevel(void); static u32 acpi_suspend_states[] = { @@ -396,6 +383,20 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = { #endif /* CONFIG_SUSPEND */ #ifdef CONFIG_HIBERNATION +/* + * The ACPI specification wants us to save NVS memory regions during hibernation + * and to restore them during the subsequent resume. However, it is not certain + * if this mechanism is going to work on all machines, so we allow the user to + * disable this mechanism using the 'acpi_sleep=s4_nonvs' kernel command line + * option. + */ +static bool s4_no_nvs; + +void __init acpi_s4_no_nvs(void) +{ + s4_no_nvs = true; +} + static unsigned long s4_hardware_signature; static struct acpi_table_facs *facs; static bool nosigcheck; @@ -679,7 +680,7 @@ static void acpi_power_off_prepare(void) static void acpi_power_off(void) { /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */ - printk("%s called\n", __func__); + printk(KERN_DEBUG "%s called\n", __func__); local_irq_disable(); acpi_enable_wakeup_device(ACPI_STATE_S5); acpi_enter_sleep_state(ACPI_STATE_S5); |