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docs: tegra194-hte.rst: don't include gpiolib.c twice

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All extern functions of drivers/gpio/gpiolib.c are already
inside the Kernel documentation, as driver-api/gpio/index.rst
already includes it.

Placing a kernel-doc here will only cause mess, as the same symbol
will be placed on two parts of the document, causing breakages
in cross-references.

So, instead, add a cross-reference there.

This solves those Sphinx 3.1+ warnings:
    .../Documentation/driver-api/hte/tegra194-hte:28: ./drivers/gpio/gpiolib.c:2464: WARNING: Duplicate C declaration, also defined at driver-api/gpio/index:2464.
    .../Documentation/driver-api/hte/tegra194-hte:28: ./drivers/gpio/gpiolib.c:2493: WARNING: Duplicate C declaration, also defined at driver-api/gpio/index:2493.
    .../Documentation/driver-api/hte/tegra194-hte.rst:2464: WARNING: Duplicate C declaration, also defined at driver-api/gpio/index:2464.
    .../Documentation/driver-api/hte/tegra194-hte.rst:2464: WARNING: Duplicate C declaration, also defined at driver-api/gpio/index:2464.
    .../Documentation/driver-api/hte/tegra194-hte.rst:2464: WARNING: Duplicate C declaration, also defined at driver-api/gpio/index:2464.
    .../Documentation/driver-api/hte/tegra194-hte.rst:2493: WARNING: Duplicate C declaration, also defined at driver-api/gpio/index:2493.
    .../Documentation/driver-api/hte/tegra194-hte.rst:2493: WARNING: Duplicate C declaration, also defined at driver-api/gpio/index:2493.
    .../Documentation/driver-api/hte/tegra194-hte.rst:2493: WARNING: Duplicate C declaration, also defined at driver-api/gpio/index:2493.

Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/de81b472f552bd651f140f0aa779a29652fffa62.1656759989.git.mchehab@kernel.org
Acked-by: Dipen Patel <dipenp@nvidia.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2022-07-02 12:07:34 +01:00 committed by Jonathan Corbet
parent 02bba8ca90
commit f2c1ff0d3b
1 changed files with 1 additions and 2 deletions
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3
Documentation/driver-api/hte/tegra194-hte.rst
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@ -25,8 +25,7 @@ and userspace consumers. The kernel space consumers can directly talk to HTE
subsystem while userspace consumers timestamp requests go through GPIOLIB CDEV
framework to HTE subsystem.
.. kernel-doc:: drivers/gpio/gpiolib.c
:functions: gpiod_enable_hw_timestamp_ns gpiod_disable_hw_timestamp_ns
See gpiod_enable_hw_timestamp_ns() and gpiod_disable_hw_timestamp_ns().
For userspace consumers, GPIO_V2_LINE_FLAG_EVENT_CLOCK_HTE flag must be
specified during IOCTL calls. Refer to ``tools/gpio/gpio-event-mon.c``, which