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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-11-17 03:28:53 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-11-21 22:48:10 +0100
commit08b98d3291652bdcd1029a059e39fbcae5ad93e2 (patch)
tree2a95ceced1563a46095f3c2e7c593dfccba606df /kernel/power
parent406e79385f3223d82272cf2be86bc95cd000a258 (diff)
PM / sleep / ACPI: Use the ACPI_FADT_LOW_POWER_S0 flag
Modify the ACPI system sleep support setup code to select suspend-to-idle as the default system sleep state if the ACPI_FADT_LOW_POWER_S0 flag is set in the FADT and the default sleep state was not selected from the kernel command line. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Mario Limonciello <mario.limonciello@dell.com>
Diffstat (limited to 'kernel/power')
-rw-r--r--kernel/power/suspend.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index 15e6baef5c73..f67ceb7768b8 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -46,7 +46,7 @@ static const char * const mem_sleep_labels[] = {
const char *mem_sleep_states[PM_SUSPEND_MAX];
suspend_state_t mem_sleep_current = PM_SUSPEND_FREEZE;
-static suspend_state_t mem_sleep_default = PM_SUSPEND_MEM;
+suspend_state_t mem_sleep_default = PM_SUSPEND_MAX;
unsigned int pm_suspend_global_flags;
EXPORT_SYMBOL_GPL(pm_suspend_global_flags);
@@ -168,7 +168,7 @@ void suspend_set_ops(const struct platform_suspend_ops *ops)
}
if (valid_state(PM_SUSPEND_MEM)) {
mem_sleep_states[PM_SUSPEND_MEM] = mem_sleep_labels[PM_SUSPEND_MEM];
- if (mem_sleep_default == PM_SUSPEND_MEM)
+ if (mem_sleep_default >= PM_SUSPEND_MEM)
mem_sleep_current = PM_SUSPEND_MEM;
}