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

This reverts commit 3fa2cdcc45a0176de15cac9dbf4ed2834ebf8932.

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

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

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 1bc0c74f2755d1c3bbf8264c01a27dbd208ce227..98f1d4e559818c723b79cb6f5278b97f0ebd17a7 100644 (file)
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -807,40 +807,11 @@ static void acpi_video_bus_find_cap(struct acpi_video_bus *video)
 static int acpi_video_bus_check(struct acpi_video_bus *video)
 {
        acpi_status status = -ENOENT;
-       long device_id;
-       struct device *dev;
-       struct acpi_device *device;
+
 
        if (!video)
                return -EINVAL;
 
-       device = video->device;
-
-       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);
-
        /* Since there is no HID, CID and so on for VGA driver, we have
         * to check well known required nodes.
         */