Revert "ACPI: video: Ignore devices that aren't present in hardware"

This reverts commit 0119509c4fbc9adcef1472817fda295334612976.

http://bugzilla.kernel.org/show_bug.cgi?id=9995

Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 98f1d4e559818c723b79cb6f5278b97f0ebd17a7..12fb44f16766f5979be78b031cd16225161e23d3 100644 (file)
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1337,37 +1337,8 @@ acpi_video_bus_write_DOS(struct file *file,
 
 static int acpi_video_bus_add_fs(struct acpi_device *device)
 {
-       long device_id;
-       int status;
        struct proc_dir_entry *entry = NULL;
        struct acpi_video_bus *video;
-       struct device *dev;
-
-       status =
-           acpi_evaluate_integer(device->handle, "_ADR", NULL, &device_id);
-
-       if (!ACPI_SUCCESS(status))
-               return -ENODEV;
-
-       /* We need to attempt to determine whether the _ADR refers to a
-          PCI device or not. There's no terribly good way to do this,
-          so the best we can hope for is to assume that there'll never
-          be a video device in the host bridge */
-       if (device_id >= 0x10000) {
-               /* It looks like a PCI device. Does it exist? */
-               dev = acpi_get_physical_device(device->handle);
-       } else {
-               /* It doesn't look like a PCI device. Does its parent
-                  exist? */
-               acpi_handle phandle;
-               if (acpi_get_parent(device->handle, &phandle))
-                       return -ENODEV;
-               dev = acpi_get_physical_device(phandle);
-       }
-       if (!dev)
-               return -ENODEV;
-       put_device(dev);
-
 
 
        video = acpi_driver_data(device);