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Merge branch 'bugzilla-13931-sleep-nvs' into release

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Conflicts:
	drivers/acpi/sleep.c

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown
2010-06-12 01:15:40 -04:00
parent e9e8b4dd14 2a6b69765a
commit 42de5532f4
7 changed files with 57 additions and 46 deletions
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34
drivers/acpi/sleep.c
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@@ -114,6 +114,8 @@ static int __acpi_pm_prepare(void)
{
int error = acpi_sleep_prepare(acpi_target_sleep_state);
suspend_nvs_save();
if (error)
acpi_target_sleep_state = ACPI_STATE_S0;
return error;
@@ -143,6 +145,9 @@ static void acpi_pm_finish(void)
{
u32 acpi_state = acpi_target_sleep_state;
suspend_nvs_free();
acpi_ec_unblock_transactions();
if (acpi_state == ACPI_STATE_S0)
return;
@@ -192,6 +197,11 @@ static int acpi_suspend_begin(suspend_state_t pm_state)
u32 acpi_state = acpi_suspend_states[pm_state];
int error = 0;
error = suspend_nvs_alloc();
if (error)
return error;
if (sleep_states[acpi_state]) {
acpi_target_sleep_state = acpi_state;
acpi_sleep_tts_switch(acpi_target_sleep_state);
@@ -269,12 +279,13 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
if (acpi_state == ACPI_STATE_S3)
acpi_restore_state_mem();
suspend_nvs_restore();
return ACPI_SUCCESS(status) ? 0 : -EFAULT;
}
static void acpi_suspend_finish(void)
{
acpi_ec_unblock_transactions();
acpi_pm_finish();
}
@@ -404,7 +415,7 @@ 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);
@@ -418,7 +429,7 @@ static int acpi_hibernation_pre_snapshot(void)
int error = acpi_pm_prepare();
if (!error)
hibernate_nvs_save();
suspend_nvs_save();
return error;
}
@@ -441,13 +452,6 @@ static int acpi_hibernation_enter(void)
return ACPI_SUCCESS(status) ? 0 : -EFAULT;
}
static void acpi_hibernation_finish(void)
{
hibernate_nvs_free();
acpi_ec_unblock_transactions();
acpi_pm_finish();
}
static void acpi_hibernation_leave(void)
{
/*
@@ -464,7 +468,7 @@ static void acpi_hibernation_leave(void)
panic("ACPI S4 hardware signature mismatch");
}
/* Restore the NVS memory area */
hibernate_nvs_restore();
suspend_nvs_restore();
/* Allow EC transactions to happen. */
acpi_ec_unblock_transactions_early();
}
@@ -479,7 +483,7 @@ static struct platform_hibernation_ops acpi_hibernation_ops = {
.begin = acpi_hibernation_begin,
.end = acpi_pm_end,
.pre_snapshot = acpi_hibernation_pre_snapshot,
.finish = acpi_hibernation_finish,
.finish = acpi_pm_finish,
.prepare = acpi_pm_prepare,
.enter = acpi_hibernation_enter,
.leave = acpi_hibernation_leave,
@@ -507,7 +511,7 @@ 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;
}
@@ -517,7 +521,7 @@ static int acpi_hibernation_begin_old(void)
static int acpi_hibernation_pre_snapshot_old(void)
{
acpi_pm_freeze();
hibernate_nvs_save();
suspend_nvs_save();
return 0;
}
@@ -529,8 +533,8 @@ static struct platform_hibernation_ops acpi_hibernation_ops_old = {
.begin = acpi_hibernation_begin_old,
.end = acpi_pm_end,
.pre_snapshot = acpi_hibernation_pre_snapshot_old,
.finish = acpi_hibernation_finish,
.prepare = acpi_pm_freeze,
.finish = acpi_pm_finish,
.enter = acpi_hibernation_enter,
.leave = acpi_hibernation_leave,
.pre_restore = acpi_pm_freeze,