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rockchip_clk_add_lookup is only called from within the file, so it can be made static. The additional checks are removed with the following reasoning: 1. The data structure is initialized by rockchip_clk_init(), which is called by all rockchip platforms before the clocks are registered. Not doing so would result in an incomplete clock tree at the moment, which is a fatal error. In other parts of the kernel these kind of checks are usually omitted, so this was done here. The alternative is adding a pr_err to inform the kernel programmer adding a new platform about his incorrect code. Apart from that we are also not checking if the clock id is within the array boundings. 2. While not used so far by any rockchip platform, 0 is a valid clock identifier. To align rockchip closer to other ARM platforms we will start using it with rk3588. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20221018151407.63395-8-sebastian.reichel@collabora.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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.