ACPI: Move acpi_bus_get_device() from bus.c to scan.c
Move acpi_bus_get_device() from bus.c to scan.c which allows
acpi_bus_data_handler() to become static and clean up the latter.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 1098557..4b26793 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -997,6 +997,28 @@
.uevent = acpi_device_uevent,
};
+static void acpi_bus_data_handler(acpi_handle handle, void *context)
+{
+ /* Intentionally empty. */
+}
+
+int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device)
+{
+ acpi_status status;
+
+ if (!device)
+ return -EINVAL;
+
+ status = acpi_get_data(handle, acpi_bus_data_handler, (void **)device);
+ if (ACPI_FAILURE(status) || !*device) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No context for object [%p]\n",
+ handle));
+ return -ENODEV;
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(acpi_bus_get_device);
+
int acpi_device_add(struct acpi_device *device,
void (*release)(struct device *))
{
@@ -1208,14 +1230,6 @@
}
EXPORT_SYMBOL_GPL(acpi_bus_get_ejd);
-void acpi_bus_data_handler(acpi_handle handle, void *context)
-{
-
- /* TBD */
-
- return;
-}
-
static int acpi_bus_extract_wakeup_device_power_package(acpi_handle handle,
struct acpi_device_wakeup *wakeup)
{