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On i.MX8ULP, for some of the PCCs, it has a peripheral SW RST bit resides in the same registers as the clock controller. So add this SW RST controller support alongs with the pcc clock initialization. the reset and clock shared the same register, to avoid accessing the same register by reset control and clock control concurrently, locking is necessary, so reuse the imx_ccm_lock spinlock to simplify the code. Suggested-by: Liu Ying <victor.liu@nxp.com> Signed-off-by: Jacky Bai <ping.bai@nxp.com> Reviewed-by: Abel Vesa <abel.vesa@nxp.com> Link: https://lore.kernel.org/r/20210914065208.3582128-10-ping.bai@nxp.com Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
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.