ACPI: Introduce ACPI D3_COLD state support

If a device has _PR3, it means the device supports D3_COLD.
Add the ability to validate and enter D3_COLD state in ACPI.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 9ac2a9fa90ff..0d681fb7428b 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -500,14 +500,14 @@ int acpi_power_transition(struct acpi_device *device, int state)
 {
         int result;
 
-        if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3))
+        if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3_COLD))
                 return -EINVAL;
 
         if (device->power.state == state)
                 return 0;
 
         if ((device->power.state < ACPI_STATE_D0)
-            || (device->power.state > ACPI_STATE_D3))
+            || (device->power.state > ACPI_STATE_D3_COLD))
                 return -ENODEV;
 
         /* TBD: Resources must be ordered. */