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c73960bb0a
Some GPIO providers set names for GPIO lines that match the names of the pins on the SoC, or variations on that theme. These names are generic more often that not, such as pioC12 in the at91 case. These generic names block the possibility to set more useful GPIO line names with device properties (i.e. gpio-line-names). Allow overriding a generic name given by the GPIO driver if there is a name given to the GPIO line using device properties, but leave the generic name alone if no better name is available. However, there is a risk. If user space is depending on the above mentioned fixed GPIO names, AND there are device properties that previously did not reach the surface, the name change might cause regressions. But hopefully this stays below the radar... Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Tested-by: Alexander Dahl <ada@thorsis.com> Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> |
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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.