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Qianfeng Rong
decd50c19f
In armada_37xx_gpio_direction_output(), the 'ret' variable might store the negative error codes returned by regmap_update_bits(), and in armada_37xx_edge_both_irq_swap_pol(), the 'ret' variable directly stores -1, so the type of the 'ret' variable needs to be changed to int in both cases. No effect on runtime. Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> 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 reStructuredText 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.