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a30a67be7b
This driver creates a gate clk with the possibility to have multiple parents. That can cause problems if the common clk framework tries to call the get_parent() op and gets back a number that's larger than the number of parents the clk says it supports in clk_init_data::num_parents. Let's duplicate the clk_ops structure each time this function is called and drop the get/set parent ops when there is only one parent. This allows the framework to consider a number larger than clk_init_data::num_parents as an error condition of the get_parent() clk op, clearing the way for proper code. Cc: Jerome Brunet <jbrunet@baylibre.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Dinh Nguyen <dinguyen@opensource.altera.com> Tested-by: Dinh Nguyen <dinguyen@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.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.