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docs: driver-api: gpio: using-gpio.rst: avoid using ReST :doc:`foo` markup 

The :doc:`foo` tag is auto-generated via automarkup.py.
So, use the filename at the sources, instead of :doc:`foo`.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/506a41353937c455c2e79b5960b0976edc8aa9e9.1623824363.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2021-06-16 08:27:29 +02:00 committed by Jonathan Corbet
parent 29602b7c1e
commit 85aa9afd7b
1 changed files with 2 additions and 2 deletions
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Documentation/driver-api/gpio/using-gpio.rst
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@ -9,13 +9,13 @@ with them.
For examples of already existing generic drivers that will also be good
examples for any other kernel drivers you want to author, refer to
:doc:`drivers-on-gpio`
Documentation/driver-api/gpio/drivers-on-gpio.rst
For any kind of mass produced system you want to support, such as servers,
laptops, phones, tablets, routers, and any consumer or office or business goods
using appropriate kernel drivers is paramount. Submit your code for inclusion
in the upstream Linux kernel when you feel it is mature enough and you will get
help to refine it, see :doc:`../../process/submitting-patches`.
help to refine it, see Documentation/process/submitting-patches.rst.
In Linux GPIO lines also have a userspace ABI.