1 files changed, 15 insertions, 1 deletions

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index a0dfdffe54d4..d842569395a9 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -29,6 +29,15 @@ extern struct acpi_device *acpi_root;
 
 static const char *dummy_hid = "device";
 
+/*
+ * The following ACPI IDs are known to be suitable for representing as
+ * platform devices.
+ */
+static const struct acpi_device_id acpi_platform_device_ids[] = {
+
+        { }
+};
+
 static LIST_HEAD(acpi_device_list);
 static LIST_HEAD(acpi_bus_id_list);
 DEFINE_MUTEX(acpi_device_lock);
@@ -1513,8 +1522,13 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl,
          */
         device = NULL;
         acpi_bus_get_device(handle, &device);
-        if (ops->acpi_op_add && !device)
+        if (ops->acpi_op_add && !device) {
                 acpi_add_single_object(&device, handle, type, sta, ops);
+                /* Is the device a known good platform device? */
+                if (device
+                    && !acpi_match_device_ids(device, acpi_platform_device_ids))
+                        acpi_create_platform_device(device);
+        }
 
         if (!device)
                 return AE_CTRL_DEPTH;