struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL};
union acpi_object *out_obj;
u32 osc_dw0;
+ acpi_status *ret_status = (acpi_status *)retval;
/* Setting up input parameters */
if (ACPI_FAILURE (status)) {
printk(KERN_DEBUG
"Evaluate _OSC Set fails. Status = 0x%04x\n", status);
+ *ret_status = status;
return status;
}
out_obj = output.pointer;
query_osc_out:
kfree(output.pointer);
+ *ret_status = status;
return status;
}
acpi_status pci_osc_support_set(u32 flags)
{
u32 temp;
+ acpi_status retval;
if (!(flags & OSC_SUPPORT_MASKS)) {
return AE_TYPE;
acpi_get_devices ( PCI_ROOT_HID_STRING,
acpi_query_osc,
ctrlset_buf,
- NULL );
+ (void **) &retval );
ctrlset_buf[OSC_QUERY_TYPE] = !OSC_QUERY_ENABLE;
ctrlset_buf[OSC_CONTROL_TYPE] = temp;
+ if (ACPI_FAILURE(retval)) {
+ /* no osc support at all */
+ ctrlset_buf[OSC_SUPPORT_TYPE] = 0;
+ }
return AE_OK;
}
EXPORT_SYMBOL(pci_osc_support_set);
/* ACPI bus type */
-static int pci_acpi_find_device(struct device *dev, acpi_handle *handle)
+static int acpi_pci_find_device(struct device *dev, acpi_handle *handle)
{
struct pci_dev * pci_dev;
acpi_integer addr;
return 0;
}
-static int pci_acpi_find_root_bridge(struct device *dev, acpi_handle *handle)
+static int acpi_pci_find_root_bridge(struct device *dev, acpi_handle *handle)
{
int num;
unsigned int seg, bus;
return 0;
}
-static struct acpi_bus_type pci_acpi_bus = {
+static struct acpi_bus_type acpi_pci_bus = {
.bus = &pci_bus_type,
- .find_device = pci_acpi_find_device,
- .find_bridge = pci_acpi_find_root_bridge,
+ .find_device = acpi_pci_find_device,
+ .find_bridge = acpi_pci_find_root_bridge,
};
-static int __init pci_acpi_init(void)
+static int __init acpi_pci_init(void)
{
int ret;
- ret = register_acpi_bus_type(&pci_acpi_bus);
+ ret = register_acpi_bus_type(&acpi_pci_bus);
if (ret)
return 0;
platform_pci_choose_state = acpi_pci_choose_state;
platform_pci_set_power_state = acpi_pci_set_power_state;
return 0;
}
-arch_initcall(pci_acpi_init);
+arch_initcall(acpi_pci_init);