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docs: dma-buf: fix some warnings

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Fix those warnings:

	Documentation/driver-api/dma-buf.rst:182: WARNING: Title underline too short.

	Indefinite DMA Fences
	~~~~~~~~~~~~~~~~~~~~

	Documentation/driver-api/dma-buf.rst:88: WARNING: Unknown target name: "fence poll support".

The first one is due to a shorter markup. The second one is
because the chapter name was wrong.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/b2bc0bc88eb913635cfece13cc9f6eff7668d333.1599660067.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2020-09-09 16:10:51 +02:00 committed by Jonathan Corbet
parent 001e92922c
commit b899353d22
1 changed files with 1 additions and 1 deletions
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Documentation/driver-api/dma-buf.rst
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@ -85,7 +85,7 @@ consider though:
- Memory mapping the contents of the DMA buffer is also supported. See the - Memory mapping the contents of the DMA buffer is also supported. See the
discussion below on `CPU Access to DMA Buffer Objects`_ for the full details. discussion below on `CPU Access to DMA Buffer Objects`_ for the full details.
- The DMA buffer FD is also pollable, see `Fence Poll Support`_ below for - The DMA buffer FD is also pollable, see `Implicit Fence Poll Support`_ below for
details. details.
Basic Operation and Device DMA Access Basic Operation and Device DMA Access