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Subject[PATCH v2,04/21] v4l: add documentation for secure memory flag
Date
From: Jeffrey Kardatzke <jkardatzke@google.com>

Adds documentation for V4L2_MEMORY_FLAG_SECURE.

Signed-off-by: Jeffrey Kardatzke <jkardatzke@google.com>
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
Documentation/userspace-api/media/v4l/buffer.rst | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/userspace-api/media/v4l/buffer.rst b/Documentation/userspace-api/media/v4l/buffer.rst
index 52bbee81c080..a5a7d1c72d53 100644
--- a/Documentation/userspace-api/media/v4l/buffer.rst
+++ b/Documentation/userspace-api/media/v4l/buffer.rst
@@ -696,7 +696,7 @@ enum v4l2_memory

.. _memory-flags:

-Memory Consistency Flags
+Memory Flags
------------------------

.. raw:: latex
@@ -728,6 +728,12 @@ Memory Consistency Flags
only if the buffer is used for :ref:`memory mapping <mmap>` I/O and the
queue reports the :ref:`V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS
<V4L2-BUF-CAP-SUPPORTS-MMAP-CACHE-HINTS>` capability.
+ * .. _`V4L2-MEMORY-FLAG-SECURE`:
+
+ - ``V4L2_MEMORY_FLAG_SECURE``
+ - 0x00000002
+ - DMA bufs passed into the queue will be validated to ensure they were
+ allocated from a secure dma-heap.

.. raw:: latex

--
2.18.0
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