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path: root/drivers/acpi/processor_idle.c
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Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r--drivers/acpi/processor_idle.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 17f9ec501972..499536504698 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -334,10 +334,10 @@ static int acpi_processor_get_power_info_default(struct acpi_processor *pr)
static int acpi_processor_get_power_info_cst(struct acpi_processor *pr)
{
- acpi_status status = 0;
+ acpi_status status;
u64 count;
int current_count;
- int i;
+ int i, ret = 0;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *cst;
@@ -358,7 +358,7 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr)
/* There must be at least 2 elements */
if (!cst || (cst->type != ACPI_TYPE_PACKAGE) || cst->package.count < 2) {
printk(KERN_ERR PREFIX "not enough elements in _CST\n");
- status = -EFAULT;
+ ret = -EFAULT;
goto end;
}
@@ -367,7 +367,7 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr)
/* Validate number of power states. */
if (count < 1 || count != cst->package.count - 1) {
printk(KERN_ERR PREFIX "count given by _CST is not valid\n");
- status = -EFAULT;
+ ret = -EFAULT;
goto end;
}
@@ -489,12 +489,12 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr)
/* Validate number of power states discovered */
if (current_count < 2)
- status = -EFAULT;
+ ret = -EFAULT;
end:
kfree(buffer.pointer);
- return status;
+ return ret;
}
static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
@@ -985,8 +985,8 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr)
state->flags = 0;
switch (cx->type) {
case ACPI_STATE_C1:
- if (cx->entry_method == ACPI_CSTATE_FFH)
- state->flags |= CPUIDLE_FLAG_TIME_VALID;
+ if (cx->entry_method != ACPI_CSTATE_FFH)
+ state->flags |= CPUIDLE_FLAG_TIME_INVALID;
state->enter = acpi_idle_enter_c1;
state->enter_dead = acpi_idle_play_dead;
@@ -994,14 +994,12 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr)
break;
case ACPI_STATE_C2:
- state->flags |= CPUIDLE_FLAG_TIME_VALID;
state->enter = acpi_idle_enter_simple;
state->enter_dead = acpi_idle_play_dead;
drv->safe_state_index = count;
break;
case ACPI_STATE_C3:
- state->flags |= CPUIDLE_FLAG_TIME_VALID;
state->enter = pr->flags.bm_check ?
acpi_idle_enter_bm :
acpi_idle_enter_simple;
@@ -1111,7 +1109,7 @@ static int acpi_processor_registered;
int acpi_processor_power_init(struct acpi_processor *pr)
{
- acpi_status status = 0;
+ acpi_status status;
int retval;
struct cpuidle_device *dev;
static int first_run;