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-rw-r--r--Documentation/DocBook/media/v4l/media-ioc-g-topology.xml3
-rw-r--r--drivers/media/media-device.c7
-rw-r--r--include/uapi/linux/media.h6
3 files changed, 14 insertions, 2 deletions
diff --git a/Documentation/DocBook/media/v4l/media-ioc-g-topology.xml b/Documentation/DocBook/media/v4l/media-ioc-g-topology.xml
index e0d49fa329f0..63152ab9efba 100644
--- a/Documentation/DocBook/media/v4l/media-ioc-g-topology.xml
+++ b/Documentation/DocBook/media/v4l/media-ioc-g-topology.xml
@@ -48,6 +48,9 @@
<refsect1>
<title>Description</title>
+
+ <para><emphasis role="bold">NOTE:</emphasis> This new ioctl is programmed to be added on Kernel 4.6. Its definition/arguments may change until its final version.</para>
+
<para>The typical usage of this ioctl is to call it twice.
On the first call, the structure defined at &media-v2-topology; should
be zeroed. At return, if no errors happen, this ioctl will return the
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index 4d1c13de494b..7dae0ac0f3ae 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -234,6 +234,7 @@ static long media_device_setup_link(struct media_device *mdev,
return ret;
}
+#if 0 /* Let's postpone it to Kernel 4.6 */
static long __media_device_get_topology(struct media_device *mdev,
struct media_v2_topology *topo)
{
@@ -389,6 +390,7 @@ static long media_device_get_topology(struct media_device *mdev,
return 0;
}
+#endif
static long media_device_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg)
@@ -422,13 +424,14 @@ static long media_device_ioctl(struct file *filp, unsigned int cmd,
mutex_unlock(&dev->graph_mutex);
break;
+#if 0 /* Let's postpone it to Kernel 4.6 */
case MEDIA_IOC_G_TOPOLOGY:
mutex_lock(&dev->graph_mutex);
ret = media_device_get_topology(dev,
(struct media_v2_topology __user *)arg);
mutex_unlock(&dev->graph_mutex);
break;
-
+#endif
default:
ret = -ENOIOCTLCMD;
}
@@ -477,7 +480,9 @@ static long media_device_compat_ioctl(struct file *filp, unsigned int cmd,
case MEDIA_IOC_DEVICE_INFO:
case MEDIA_IOC_ENUM_ENTITIES:
case MEDIA_IOC_SETUP_LINK:
+#if 0 /* Let's postpone it to Kernel 4.6 */
case MEDIA_IOC_G_TOPOLOGY:
+#endif
return media_device_ioctl(filp, cmd, arg);
case MEDIA_IOC_ENUM_LINKS32:
diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
index 5dbb208e5451..1e3c8cb43bd7 100644
--- a/include/uapi/linux/media.h
+++ b/include/uapi/linux/media.h
@@ -286,7 +286,7 @@ struct media_links_enum {
* later, before the adding this API upstream.
*/
-
+#if 0 /* Let's postpone it to Kernel 4.6 */
struct media_v2_entity {
__u32 id;
char name[64]; /* FIXME: move to a property? (RFC says so) */
@@ -351,6 +351,7 @@ static inline void __user *media_get_uptr(__u64 arg)
{
return (void __user *)(uintptr_t)arg;
}
+#endif
/* ioctls */
@@ -358,6 +359,9 @@ static inline void __user *media_get_uptr(__u64 arg)
#define MEDIA_IOC_ENUM_ENTITIES _IOWR('|', 0x01, struct media_entity_desc)
#define MEDIA_IOC_ENUM_LINKS _IOWR('|', 0x02, struct media_links_enum)
#define MEDIA_IOC_SETUP_LINK _IOWR('|', 0x03, struct media_link_desc)
+
+#if 0 /* Let's postpone it to Kernel 4.6 */
#define MEDIA_IOC_G_TOPOLOGY _IOWR('|', 0x04, struct media_v2_topology)
+#endif
#endif /* __LINUX_MEDIA_H */