linux-kernel - [PATCH 02/12] docs: tegra194-hte.rst: don't include gpiolib.c twice

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Date:   Sat,  2 Jul 2022 12:07:34 +0100
From:   Mauro Carvalho Chehab <mchehab@...nel.org>
To:     Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        "Jonathan Corbet" <corbet@....net>,
        "Mauro Carvalho Chehab" <mchehab+huawei@...nel.org>,
        Dipen Patel <dipenp@...dia.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>,
        linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: [PATCH 02/12] docs: tegra194-hte.rst: don't include gpiolib.c twice

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@...nel.org>
---

To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover.
See [PATCH 00/12] at: https://lore.kernel.org/all/cover.1656759988.git.mchehab@kernel.org/

 Documentation/driver-api/hte/tegra194-hte.rst | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Documentation/driver-api/hte/tegra194-hte.rst b/Documentation/driver-api/hte/tegra194-hte.rst
index d29b7fe86f31..f2d617265546 100644
--- a/Documentation/driver-api/hte/tegra194-hte.rst
+++ b/Documentation/driver-api/hte/tegra194-hte.rst
@@ -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
-- 
2.36.1