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-rw-r--r--drivers/acpi/processor_idle.c11
-rw-r--r--drivers/acpi/scan.c13
2 files changed, 3 insertions, 21 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 32b20efff5f8..eb95e188d62b 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -96,11 +96,6 @@ static const struct dmi_system_id processor_power_dmi_table[] = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
DMI_MATCH(DMI_PRODUCT_NAME,"L8400B series Notebook PC")},
(void *)1},
- /* T40 can not handle C3 idle state */
- { set_max_cstate, "IBM ThinkPad T40", {
- DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
- DMI_MATCH(DMI_PRODUCT_NAME, "23737CU")},
- (void *)2},
{},
};
@@ -570,8 +565,7 @@ static int acpi_idle_play_dead(struct cpuidle_device *dev, int index)
{
struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu);
- if (cx->type == ACPI_STATE_C3)
- ACPI_FLUSH_CPU_CACHE();
+ ACPI_FLUSH_CPU_CACHE();
while (1) {
@@ -796,7 +790,8 @@ static int acpi_processor_setup_cstates(struct acpi_processor *pr)
if (cx->type == ACPI_STATE_C1 || cx->type == ACPI_STATE_C2 ||
cx->type == ACPI_STATE_C3) {
state->enter_dead = acpi_idle_play_dead;
- drv->safe_state_index = count;
+ if (cx->type != ACPI_STATE_C3)
+ drv->safe_state_index = count;
}
/*
* Halt-induced C1 is not good for ->enter_s2idle, because it
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 9efbfe087de7..762b61f67e6c 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -588,19 +588,6 @@ static struct acpi_device *handle_to_device(acpi_handle handle,
return adev;
}
-int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device)
-{
- if (!device)
- return -EINVAL;
-
- *device = handle_to_device(handle, NULL);
- if (!*device)
- return -ENODEV;
-
- return 0;
-}
-EXPORT_SYMBOL(acpi_bus_get_device);
-
/**
* acpi_fetch_acpi_dev - Retrieve ACPI device object.
* @handle: ACPI handle associated with the requested ACPI device object.