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path: root/drivers/acpi/sleep.c
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Diffstat (limited to 'drivers/acpi/sleep.c')
-rw-r--r--drivers/acpi/sleep.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 6bea2fe8434b..2307604064b3 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -244,17 +244,10 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
244{ 244{
245 acpi_status status = AE_OK; 245 acpi_status status = AE_OK;
246 u32 acpi_state = acpi_target_sleep_state; 246 u32 acpi_state = acpi_target_sleep_state;
247 int error;
247 248
248 ACPI_FLUSH_CPU_CACHE(); 249 ACPI_FLUSH_CPU_CACHE();
249 250
250 /* Do arch specific saving of state. */
251 if (acpi_state == ACPI_STATE_S3) {
252 int error = acpi_save_state_mem();
253
254 if (error)
255 return error;
256 }
257
258 switch (acpi_state) { 251 switch (acpi_state) {
259 case ACPI_STATE_S1: 252 case ACPI_STATE_S1:
260 barrier(); 253 barrier();
@@ -262,6 +255,9 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
262 break; 255 break;
263 256
264 case ACPI_STATE_S3: 257 case ACPI_STATE_S3:
258 error = acpi_save_state_mem();
259 if (error)
260 return error;
265 do_suspend_lowlevel(); 261 do_suspend_lowlevel();
266 pr_info(PREFIX "Low-level resume complete\n"); 262 pr_info(PREFIX "Low-level resume complete\n");
267 break; 263 break;