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docs: DMA-API-HOWTO: add a missing "=" 

The === line is shorter than the section title.

As this will generate a warning with rst build, fix it.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2019-04-10 06:56:20 -03:00 committed by Jonathan Corbet
parent 66e9c46c5c
commit 9fda5130d3
1 changed files with 1 additions and 1 deletions
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Documentation/DMA-API-HOWTO.txt
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@ -147,7 +147,7 @@ networking subsystems make sure that the buffers they use are valid
for you to DMA from/to.
DMA addressing capabilities
==========================
===========================
By default, the kernel assumes that your device can address 32-bits of DMA
addressing. For a 64-bit capable device, this needs to be increased, and for