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Add the function selector to the pinmux-functions debugfs output. This is an integer which is the index into the pinmux function tree. It will make it easier to correlate function name to function selector without having to count the lines in the output. Example output of "pinmux-functions": function 0: pinmux-uart0-pins, groups = [ pinmux-uart0-pins ] function 1: pinmux-uart1-pins, groups = [ pinmux-uart1-pins ] function 2: pinmux-uart2-pins, groups = [ pinmux-uart2-pins ] function 3: pinmux-mmc0-pins, groups = [ pinmux-mmc0-pins ] function 3: pinmux-mmc1-pins, groups = [ pinmux-mmc1-pins ] function 5: pinmux-i2c0-pins, groups = [ pinmux-i2c0-pins ] function 6: pinmux-i2c1-pins, groups = [ pinmux-i2c1-pins ] function 7: pinmux-i2c2-pins, groups = [ pinmux-i2c2-pins ] function 8: pinmux-pwm0-pins, groups = [ pinmux-pwm0-pins ] function 9: pinmux-pwm1-pins, groups = [ pinmux-pwm1-pins ] function 10: pinmux-adc-pins, groups = [ pinmux-adc-pins ] Cc: Jason Kridner <jkridner@beagleboard.org> Cc: Robert Nelson <robertcnelson@beagleboard.org> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Tony Lindgren <tony@atomide.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Drew Fustini <drew@beagleboard.org> Link: https://lore.kernel.org/r/20210123202212.528046-1-drew@beagleboard.org 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.