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Subject: [media] get rid of a number of problems at the cross references
Author:  Mauro Carvalho Chehab <mche...@s-opensource.com>
Date:    Thu Sep 22 07:59:03 2016 -0300

As warned by linuxdoc[1] tool, using:

$ for i in $(git grep kernel-doc Documentation/media/kapi/|cut -d: -f4); do 
kernel-lintdoc --sloppy $i; done

    include/media/v4l2-dev.h:118 :WARN: function name from comment differs:  
v4l2_prio_close <--> v4l2_prio_check
    include/media/v4l2-mc.h:56 [kernel-doc WARN] : enum name from comment 
differs:  if_vid_dec_index <--> if_vid_dec_pad_index
    include/media/v4l2-mc.h:71 [kernel-doc WARN] : enum name from comment 
differs:  if_aud_dec_index <--> if_aud_dec_pad_index
    include/media/v4l2-mem2mem.h:396 [kernel-doc WARN] : function name from 
comment differs:  v4l2_m2m_num_src_bufs_ready <--> v4l2_m2m_num_dst_bufs_ready
    drivers/media/dvb-core/dvb_math.h:28 [kernel-doc WARN] : function name from 
comment differs:  cintlog2 <--> intlog2
    include/media/v4l2-subdev.h:215 [kernel-doc WARN] : struct name from 
comment differs:  s_radio <--> v4l2_subdev_tuner_ops
    include/media/v4l2-subdev.h:890 [kernel-doc WARN] : function name from 
comment differs:  v4l2_set_subdevdata <--> v4l2_set_subdev_hostdata
    include/media/v4l2-subdev.h:901 [kernel-doc WARN] : function name from 
comment differs:  v4l2_get_subdevdata <--> v4l2_get_subdev_hostdata
    drivers/media/dvb-core/dvb_ringbuffer.h:196 [kernel-doc WARN] : function 
name from comment differs:  dvb_ringbuffer_writeuser <--> 
dvb_ringbuffer_write_user
    include/media/videobuf2-core.h:399 [kernel-doc WARN] : struct name from 
comment differs:  vb2_ops <--> vb2_buf_ops
    include/media/media-entity.h:132 [kernel-doc ERROR] : duplicate parameter 
definition 'source'
    include/media/media-entity.h:477 [kernel-doc WARN] : function name from 
comment differs:  media_entity_enum_test <--> media_entity_enum_test_and_set
    include/media/media-entity.h:535 [kernel-doc WARN] : function name from 
comment differs:  gobj_to_entity <--> gobj_to_pad
    include/media/media-entity.h:544 [kernel-doc WARN] : function name from 
comment differs:  gobj_to_entity <--> gobj_to_link
    include/media/media-entity.h:553 [kernel-doc WARN] : function name from 
comment differs:  gobj_to_entity <--> gobj_to_intf
    include/media/media-entity.h:562 [kernel-doc WARN] : function name from 
comment differs:  gobj_to_entity <--> intf_to_devnode
    include/media/rc-core.h:234 [kernel-doc WARN] : function name from comment 
differs:  rc_open <--> rc_close
    include/media/v4l2-ctrls.h:397 [kernel-doc WARN] : missing initial short 
description of 'v4l2_ctrl_handler_init'
    include/media/v4l2-dev.h:118 [kernel-doc WARN] : function name from comment 
differs:  v4l2_prio_close <--> v4l2_prio_check
    include/media/v4l2-event.h:225 [kernel-doc WARN] : missing initial short 
description of 'v4l2_src_change_event_subscribe'

[1] https://return42.github.io/linuxdoc/linux.html

The above are real issues at the documentation. On several cases,
caused by cut-and-paste.

 Fix them.

Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>

 Documentation/media/kapi/v4l2-dev.rst   |  2 +-
 drivers/media/dvb-core/dvb_math.h       |  2 +-
 drivers/media/dvb-core/dvb_ringbuffer.h |  2 +-
 include/media/media-entity.h            | 13 +++++++------
 include/media/rc-core.h                 |  2 +-
 include/media/v4l2-ctrls.h              |  3 ++-
 include/media/v4l2-dev.h                |  2 +-
 include/media/v4l2-event.h              |  3 ++-
 include/media/v4l2-mc.h                 |  4 ++--
 include/media/v4l2-mem2mem.h            |  2 +-
 include/media/v4l2-subdev.h             |  7 ++++---
 include/media/videobuf2-core.h          |  2 +-
 12 files changed, 24 insertions(+), 20 deletions(-)

---

diff --git a/Documentation/media/kapi/v4l2-dev.rst 
b/Documentation/media/kapi/v4l2-dev.rst
index 0a3b4503a89f..b29aa616c267 100644
--- a/Documentation/media/kapi/v4l2-dev.rst
+++ b/Documentation/media/kapi/v4l2-dev.rst
@@ -173,7 +173,7 @@ The implementation of a hotplug disconnect should also take 
the lock from
 using :c:type:`video_device`->queue->lock, then you have to first lock
 :c:type:`video_device`->queue->lock followed by :c:type:`video_device`->lock.
 That way you can be sure no ioctl is running when you call
-:c:type:`v4l2_device_disconnect`.
+:c:func:`v4l2_device_disconnect`.
 
 Video device registration
 -------------------------
diff --git a/drivers/media/dvb-core/dvb_math.h 
b/drivers/media/dvb-core/dvb_math.h
index 2f0326674ca6..4d11d3529c14 100644
--- a/drivers/media/dvb-core/dvb_math.h
+++ b/drivers/media/dvb-core/dvb_math.h
@@ -25,7 +25,7 @@
 #include <linux/types.h>
 
 /**
- * cintlog2 - computes log2 of a value; the result is shifted left by 24 bits
+ * intlog2 - computes log2 of a value; the result is shifted left by 24 bits
  *
  * @value: The value (must be != 0)
  *
diff --git a/drivers/media/dvb-core/dvb_ringbuffer.h 
b/drivers/media/dvb-core/dvb_ringbuffer.h
index eae3f091b6a0..bbe94873d44d 100644
--- a/drivers/media/dvb-core/dvb_ringbuffer.h
+++ b/drivers/media/dvb-core/dvb_ringbuffer.h
@@ -193,7 +193,7 @@ extern ssize_t dvb_ringbuffer_write(struct dvb_ringbuffer 
*rbuf, const u8 *buf,
                                    size_t len);
 
 /**
- * dvb_ringbuffer_writeuser - Writes a buffer received via an user pointer
+ * dvb_ringbuffer_write_user - Writes a buffer received via an user pointer
  *
  * @rbuf: pointer to struct dvb_ringbuffer
  * @buf: pointer to the buffer where the data will be read
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index e21958c7c5d9..b2203ee7a4c1 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -129,7 +129,7 @@ struct media_pipeline {
  *             an interface.
  * @gobj1:     Part of a union. Used to get the pointer for the second
  *             graph_object of the link.
- * @source:    Part of a union. Used only if the second object (gobj1) is
+ * @sink:      Part of a union. Used only if the second object (gobj1) is
  *             a pad. In that case, it represents the sink pad.
  * @entity:    Part of a union. Used only if the second object (gobj1) is
  *             an entity.
@@ -474,7 +474,8 @@ static inline bool media_entity_enum_test(struct 
media_entity_enum *ent_enum,
 }
 
 /**
- * media_entity_enum_test - Test whether the entity is marked, and mark it
+ * media_entity_enum_test_and_set - Test whether the entity is marked,
+ *     and mark it
  *
  * @ent_enum: Entity enumeration
  * @entity: Entity to be tested
@@ -532,7 +533,7 @@ static inline bool media_entity_enum_intersects(
                container_of(gobj, struct media_entity, graph_obj)
 
 /**
- * gobj_to_entity - returns the struct &media_pad pointer from the
+ * gobj_to_pad - returns the struct &media_pad pointer from the
  *     @gobj contained on it.
  *
  * @gobj: Pointer to the struct &media_gobj graph object
@@ -541,7 +542,7 @@ static inline bool media_entity_enum_intersects(
                container_of(gobj, struct media_pad, graph_obj)
 
 /**
- * gobj_to_entity - returns the struct &media_link pointer from the
+ * gobj_to_link - returns the struct &media_link pointer from the
  *     @gobj contained on it.
  *
  * @gobj: Pointer to the struct &media_gobj graph object
@@ -550,7 +551,7 @@ static inline bool media_entity_enum_intersects(
                container_of(gobj, struct media_link, graph_obj)
 
 /**
- * gobj_to_entity - returns the struct &media_interface pointer from the
+ * gobj_to_intf - returns the struct &media_interface pointer from the
  *     @gobj contained on it.
  *
  * @gobj: Pointer to the struct &media_gobj graph object
@@ -559,7 +560,7 @@ static inline bool media_entity_enum_intersects(
                container_of(gobj, struct media_interface, graph_obj)
 
 /**
- * gobj_to_entity - returns the struct media_intf_devnode pointer from the
+ * intf_to_devnode - returns the struct media_intf_devnode pointer from the
  *     @intf contained on it.
  *
  * @intf: Pointer to struct &media_intf_devnode
diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index 10908e356b23..40188d362486 100644
--- a/include/media/rc-core.h
+++ b/include/media/rc-core.h
@@ -231,7 +231,7 @@ void rc_unregister_device(struct rc_dev *dev);
 int rc_open(struct rc_dev *rdev);
 
 /**
- * rc_open - Closes a RC device
+ * rc_close - Closes a RC device
  *
  * @rdev: pointer to struct rc_dev.
  */
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index beea0a2c0894..e1006b391cdc 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -394,7 +394,8 @@ int v4l2_ctrl_handler_init_class(struct v4l2_ctrl_handler 
*hdl,
 #ifdef CONFIG_LOCKDEP
 
 /**
- * v4l2_ctrl_handler_init -
+ * v4l2_ctrl_handler_init - helper function to create a static struct
+ *      &lock_class_key and calls v4l2_ctrl_handler_init_class()
  *
  * @hdl:       The control handler.
  * @nr_of_controls_hint: A hint of how many controls this handler is
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 477e90d89a04..e657614521e3 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -115,7 +115,7 @@ void v4l2_prio_close(struct v4l2_prio_state *global, enum 
v4l2_priority local);
 enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);
 
 /**
- * v4l2_prio_close - Implements the priority logic for a file handler close
+ * v4l2_prio_check - Implements the priority logic for a file handler close
  *
  * @global: pointer to the &struct v4l2_prio_state of the device node.
  * @local: desired priority, as defined by enum &v4l2_priority local
diff --git a/include/media/v4l2-event.h b/include/media/v4l2-event.h
index ca854203b8b9..a700285c64a9 100644
--- a/include/media/v4l2-event.h
+++ b/include/media/v4l2-event.h
@@ -222,7 +222,8 @@ int v4l2_event_subdev_unsubscribe(struct v4l2_subdev *sd,
                                  struct v4l2_fh *fh,
                                  struct v4l2_event_subscription *sub);
 /**
- * v4l2_src_change_event_subscribe -
+ * v4l2_src_change_event_subscribe - helper function that calls
+ *     v4l2_event_subscribe() if the event is %V4L2_EVENT_SOURCE_CHANGE.
  *
  * @fh: pointer to struct v4l2_fh
  * @sub: pointer to &struct v4l2_event_subscription
diff --git a/include/media/v4l2-mc.h b/include/media/v4l2-mc.h
index 28c3f9d9c209..2634d9dc9916 100644
--- a/include/media/v4l2-mc.h
+++ b/include/media/v4l2-mc.h
@@ -53,7 +53,7 @@ enum tuner_pad_index {
 };
 
 /**
- * enum if_vid_dec_index - video IF-PLL pad index for
+ * enum if_vid_dec_pad_index - video IF-PLL pad index for
  *                        MEDIA_ENT_F_IF_VID_DECODER
  *
  * @IF_VID_DEC_PAD_IF_INPUT:   video Intermediate Frequency (IF) sink pad
@@ -68,7 +68,7 @@ enum if_vid_dec_pad_index {
 };
 
 /**
- * enum if_aud_dec_index - audio/sound IF-PLL pad index for
+ * enum if_aud_dec_pad_index - audio/sound IF-PLL pad index for
  *                        MEDIA_ENT_F_IF_AUD_DECODER
  *
  * @IF_AUD_DEC_PAD_IF_INPUT:   audio Intermediate Frequency (IF) sink pad
diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h
index 498c99baf8ac..1b355344c804 100644
--- a/include/media/v4l2-mem2mem.h
+++ b/include/media/v4l2-mem2mem.h
@@ -393,7 +393,7 @@ unsigned int v4l2_m2m_num_src_bufs_ready(struct 
v4l2_m2m_ctx *m2m_ctx)
 }
 
 /**
- * v4l2_m2m_num_src_bufs_ready() - return the number of destination buffers
+ * v4l2_m2m_num_dst_bufs_ready() - return the number of destination buffers
  * ready for use
  *
  * @m2m_ctx: m2m context assigned to the instance given by struct &v4l2_m2m_ctx
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 863f92600607..cf778c5dca18 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -212,7 +212,8 @@ struct v4l2_subdev_core_ops {
 };
 
 /**
- * struct s_radio - Callbacks used when v4l device was opened in radio mode.
+ * struct v4l2_subdev_tuner_ops - Callbacks used when v4l device was opened
+ *     in radio mode.
  *
  * @s_radio: callback for %VIDIOC_S_RADIO ioctl handler code.
  *
@@ -887,7 +888,7 @@ static inline void *v4l2_get_subdevdata(const struct 
v4l2_subdev *sd)
 }
 
 /**
- * v4l2_set_subdevdata - Sets V4L2 dev private host data
+ * v4l2_set_subdev_hostdata - Sets V4L2 dev private host data
  *
  * @sd: pointer to &struct v4l2_subdev
  * @p: pointer to the private data to be stored.
@@ -898,7 +899,7 @@ static inline void v4l2_set_subdev_hostdata(struct 
v4l2_subdev *sd, void *p)
 }
 
 /**
- * v4l2_get_subdevdata - Gets V4L2 dev private data
+ * v4l2_get_subdev_hostdata - Gets V4L2 dev private data
  *
  * @sd: pointer to &struct v4l2_subdev
  *
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 9a144f2d9083..ac5898a55fd9 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -396,7 +396,7 @@ struct vb2_ops {
 };
 
 /**
- * struct vb2_ops - driver-specific callbacks
+ * struct vb2_buf_ops - driver-specific callbacks
  *
  * @verify_planes_array: Verify that a given user space structure contains
  *                     enough planes for the buffer. This is called

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