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There are two versions for clock reset register control for MediaTek SoCs. The old hardware is one bit per reset control, and does not have separate registers for bit set, clear and read-back operations. This matches the scheme supported by the simple reset driver. However, because we need to use different data structure from reset_simple_data, we can not use the operation of simple reset driver. For this reason, we keep the original functions and name this version as "MTK_RST_SIMPLE". In this patch: - Add a version enumeration to separate different reset hardware. - Merge the reset register function of simple and set_clr into one function "mtk_register_reset_controller". - Rename input variable "num_regs" to "rst_bank_nr" to avoid confusion. This variable is used to define the quantity of reset bank. - Document mtk_reset_version and mtk_register_reset_controller. Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> Link: https://lore.kernel.org/r/20220523093346.28493-6-rex-bc.chen@mediatek.com 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.