summaryrefslogtreecommitdiffstats
path: root/drivers/media/pci/cx88
diff options
context:
space:
mode:
authorHans Verkuil <hans.verkuil@cisco.com>2013-06-12 11:23:44 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-06-21 11:08:07 -0300
commite5715cfb2802cb5988f856f84454645772f4e2f5 (patch)
tree6c7a88d6b489aa61c1cd098aac7adccd34f12730 /drivers/media/pci/cx88
parent1c1d86a1ea07506c070cfb217a009d53990bdeb0 (diff)
downloadlinux-e5715cfb2802cb5988f856f84454645772f4e2f5.tar.bz2
[media] cx88: set dev_parent to the correct parent PCI bus
The cx88 driver has one v4l2_device, but the video nodes are owned by two different PCI busses. So the dev_parent pointer should be set to the correct parent bus, otherwise sysfs won't show the correct device hierarchy. This broke starting in 3.6 after a driver change, so this patch resurrects the correct behavior. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/pci/cx88')
-rw-r--r--drivers/media/pci/cx88/cx88-core.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/pci/cx88/cx88-core.c b/drivers/media/pci/cx88/cx88-core.c
index c8f3dcc579d4..ad59dc9235ae 100644
--- a/drivers/media/pci/cx88/cx88-core.c
+++ b/drivers/media/pci/cx88/cx88-core.c
@@ -1034,7 +1034,14 @@ struct video_device *cx88_vdev_init(struct cx88_core *core,
if (NULL == vfd)
return NULL;
*vfd = *template_;
+ /*
+ * The dev pointer of v4l2_device is NULL, instead we set the
+ * video_device dev_parent pointer to the correct PCI bus device.
+ * This driver is a rare example where there is one v4l2_device,
+ * but the video nodes have different parent (PCI) devices.
+ */
vfd->v4l2_dev = &core->v4l2_dev;
+ vfd->dev_parent = &pci->dev;
vfd->release = video_device_release;
snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
core->name, type, core->board.name);