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authorLinus Torvalds <torvalds@linux-foundation.org>2019-05-08 11:13:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-05-08 11:13:17 -0700
commite7a1414f9dc3498c4c35b9ca266d539e8bccab53 (patch)
treef50a78785859182f9916c93dcf97c6539dbe3f3e /drivers/media/v4l2-core/v4l2-device.c
parent85c1a25494837ff33fdfebe98b2e4cf5b0c78475 (diff)
parent0d672fffb447aa1699d76fdacd90dc31eeb66d97 (diff)
Merge tag 'media/v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - remove the deprecated Zoran driver from staging - new I2C driver: ST MIPID02 CSI-2 camera bridge - new platform driver: Amlogic Meson AO CEC G12A Controller - add support for USB audio via the media controller - au0828 driver is now supported via the media controller on both on media and on usbaudio - new kernel test for the media device allocator - add support for stateless decoder at vicodec driver - lots of other driver improvements fixes and cleanups * tag 'media/v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (218 commits) media: dt-bindings: aspeed-video: Add missing memory-region property media: platform: Aspeed: Make reserved memory optional media: platform: Aspeed: Remove use of reset line media: stm32-dcmi: return appropriate error codes during probe media: vsp1: Add support for missing 16-bit RGB555 formats media: vsp1: Add support for missing 16-bit RGB444 formats media: vsp1: Add support for missing 32-bit RGB formats media: v4l: Add definitions for missing 16-bit RGB555 formats media: v4l: Add definitions for missing 16-bit RGB4444 formats media: v4l: Add definitions for missing 32-bit RGB formats media: zoran: remove deprecated driver media: MAINTAINERS: Update AO CEC with ao-cec-g12a driver media: platform: meson: Add Amlogic Meson G12A AO CEC Controller driver media: dt-bindings: media: meson-ao-cec: Add G12A AO-CEC-B Compatible media: cros-ec-cec: decrement HDMI device refcount media: seco-cec: decrement HDMI device refcount media: tegra_cec: use new cec_notifier_parse_hdmi_phandle helper media: stih_cec: use new cec_notifier_parse_hdmi_phandle helper media: s5p_cec: use new cec_notifier_parse_hdmi_phandle helper media: meson: ao-cec: use new cec_notifier_parse_hdmi_phandle helper ...
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-device.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-device.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/media/v4l2-core/v4l2-device.c b/drivers/media/v4l2-core/v4l2-device.c
index e0ddb9a52bd1..7cca0de1b730 100644
--- a/drivers/media/v4l2-core/v4l2-device.c
+++ b/drivers/media/v4l2-core/v4l2-device.c
@@ -216,10 +216,18 @@ error_module:
}
EXPORT_SYMBOL_GPL(v4l2_device_register_subdev);
+static void v4l2_subdev_release(struct v4l2_subdev *sd)
+{
+ struct module *owner = !sd->owner_v4l2_dev ? sd->owner : NULL;
+
+ if (sd->internal_ops && sd->internal_ops->release)
+ sd->internal_ops->release(sd);
+ module_put(owner);
+}
+
static void v4l2_device_release_subdev_node(struct video_device *vdev)
{
- struct v4l2_subdev *sd = video_get_drvdata(vdev);
- sd->devnode = NULL;
+ v4l2_subdev_release(video_get_drvdata(vdev));
kfree(vdev);
}
@@ -318,8 +326,9 @@ void v4l2_device_unregister_subdev(struct v4l2_subdev *sd)
media_device_unregister_entity(&sd->entity);
}
#endif
- video_unregister_device(sd->devnode);
- if (!sd->owner_v4l2_dev)
- module_put(sd->owner);
+ if (sd->devnode)
+ video_unregister_device(sd->devnode);
+ else
+ v4l2_subdev_release(sd);
}
EXPORT_SYMBOL_GPL(v4l2_device_unregister_subdev);