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e2961cd685
The pinctrl dt_node_to_map method may be called in parallel which leads us to call pinconf_generic_add_group and pinconf_generic_add_function in parallel. This is not supported though and leads to errors, so add a mutex to serialize these calls. Signed-off-by: Jianlong Huang <jianlong.huang@starfivetech.com> Signed-off-by: Emil Renner Berthing <kernel@esmil.dk> Link: https://lore.kernel.org/r/20220627085333.1774396-1-emil.renner.berthing@canonical.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.