Linux kernel for uConsole
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574e69953d
The pinctrl-mcp23s08 driver doesn't provide a specific gpiospec of_xlate() function, causing the gpiolib-of's of_gpio_simple_xlate() function to be used instead, which takes the gpiospec's second cell as the flags specifier according to 'include/dt-bindings/gpio/gpio.h'. The pinctrl-mcp23s08 bindings document was mentioning that the flags were unused, which is not accurate because values in that second cell are indeed used by the gpiolib-of's of_gpio_simple_xlate() for configuring the gpio (e.g. its polarity). This way, replace the "flags currently unused" reference in the dt-bindings document with references to the appropriate files specifying the possible flag values and gpiospec description. CC: devicetree@vger.kernel.org Signed-off-by: Ricardo Silva <rjpdasilva@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> |
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| README | ||
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.