static acpi_status acpi_pci_osc_support(struct acpi_pci_root *root, u32 flags)
{
acpi_status status;
- acpi_handle tmp;
- status = acpi_get_handle(root->device->handle, "_OSC", &tmp);
- if (ACPI_FAILURE(status))
- return status;
mutex_lock(&osc_lock);
status = acpi_pci_query_osc(root, flags, NULL);
mutex_unlock(&osc_lock);
acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 *mask, u32 req)
{
struct acpi_pci_root *root;
- acpi_status status;
+ acpi_status status = AE_OK;
u32 ctrl, capbuf[3];
- acpi_handle tmp;
if (!mask)
return AE_BAD_PARAMETER;
if (!root)
return AE_NOT_EXIST;
- status = acpi_get_handle(handle, "_OSC", &tmp);
- if (ACPI_FAILURE(status))
- return status;
-
mutex_lock(&osc_lock);
*mask = ctrl | root->osc_control_set;