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Subject[PATCH 1/6] ACPI: D3cold state is always valid
Date
ACPI_STATE_D3 actually means ACPI D3hot which is not always valid.
Instead, ACPI D3cold is always valid.

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
---
drivers/acpi/scan.c | 11 ++---------
1 files changed, 2 insertions(+), 9 deletions(-)
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 767e2dc..fb56388 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -884,13 +884,6 @@ static int acpi_bus_get_power_flags(struct acpi_device *device)
acpi_bus_add_power_resource(ps->resources.handles[j]);
}

- /* The exist of _PR3 indicates D3Cold support */
- if (i == ACPI_STATE_D3) {
- status = acpi_get_handle(device->handle, object_name, &handle);
- if (ACPI_SUCCESS(status))
- device->power.states[ACPI_STATE_D3_COLD].flags.valid = 1;
- }
-
/* Evaluate "_PSx" to see if we can do explicit sets */
object_name[2] = 'S';
status = acpi_get_handle(device->handle, object_name, &handle);
@@ -908,8 +901,8 @@ static int acpi_bus_get_power_flags(struct acpi_device *device)
/* Set defaults for D0 and D3 states (always valid) */
device->power.states[ACPI_STATE_D0].flags.valid = 1;
device->power.states[ACPI_STATE_D0].power = 100;
- device->power.states[ACPI_STATE_D3].flags.valid = 1;
- device->power.states[ACPI_STATE_D3].power = 0;
+ device->power.states[ACPI_STATE_D3_COLD].flags.valid = 1;
+ device->power.states[ACPI_STATE_D3_COLD].power = 0;

acpi_bus_init_power(device);

--
1.7.2.5


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