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suspend: Move NVS save/restore code to generic suspend functionality

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Saving platform non-volatile state may be required for suspend to RAM as
well as hibernation. Move it to more generic code.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Matthew Garrett
2010-05-28 16:32:14 -04:00
committed by Len Brown
parent 67a3e12b05
commit dd4c4f17d7
7 changed files with 44 additions and 37 deletions
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12
drivers/acpi/sleep.c
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@@ -393,7 +393,7 @@ static int acpi_hibernation_begin(void)
{
int error;
error = s4_no_nvs ? 0 : hibernate_nvs_alloc();
error = s4_no_nvs ? 0 : suspend_nvs_alloc();
if (!error) {
acpi_target_sleep_state = ACPI_STATE_S4;
acpi_sleep_tts_switch(acpi_target_sleep_state);
@@ -407,7 +407,7 @@ static int acpi_hibernation_pre_snapshot(void)
int error = acpi_pm_prepare();
if (!error)
hibernate_nvs_save();
suspend_nvs_save();
return error;
}
@@ -432,7 +432,7 @@ static int acpi_hibernation_enter(void)
static void acpi_hibernation_finish(void)
{
hibernate_nvs_free();
suspend_nvs_free();
acpi_pm_finish();
}
@@ -452,7 +452,7 @@ static void acpi_hibernation_leave(void)
panic("ACPI S4 hardware signature mismatch");
}
/* Restore the NVS memory area */
hibernate_nvs_restore();
suspend_nvs_restore();
}
static int acpi_pm_pre_restore(void)
@@ -501,7 +501,7 @@ static int acpi_hibernation_begin_old(void)
if (!error) {
if (!s4_no_nvs)
error = hibernate_nvs_alloc();
error = suspend_nvs_alloc();
if (!error)
acpi_target_sleep_state = ACPI_STATE_S4;
}
@@ -513,7 +513,7 @@ static int acpi_hibernation_pre_snapshot_old(void)
int error = acpi_pm_disable_gpes();
if (!error)
hibernate_nvs_save();
suspend_nvs_save();
return error;
}