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authorLen Brown <len.brown@intel.com>2008-03-18 06:43:53 +0100
committerLen Brown <len.brown@intel.com>2008-03-18 06:43:53 +0100
commitf0d6752c9fa51d24c86b57c76ec5b2926a716b23 (patch)
tree00275f81a5a154947a982de9b5aef5df171ce9ec /drivers/acpi/video.c
parentMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff)
downloadlinux-f0d6752c9fa51d24c86b57c76ec5b2926a716b23.tar.xz
linux-f0d6752c9fa51d24c86b57c76ec5b2926a716b23.zip
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>
Diffstat (limited to '')
-rw-r--r--drivers/acpi/video.c31
1 files changed, 1 insertions, 30 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 1bc0c74f2755..98f1d4e55981 100644
--- 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.
*/