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By now there are drivers using shared reset controls and (de)assert calls on platforms with self-deasserting reset lines and thus reset drivers that do not implement .assert() and .deassert(). As long as the initial state of the reset line is deasserted, there is no reason for a reset_control_assert call to return an error for shared reset controls, or for a reset_control_deassert call to return an error for either shared or exclusive reset controls: after a call to reset_control_deassert the reset line is guaranteed to be deasserted, and after a call to reset_control_assert it is valid for the reset line to stay deasserted for shared reset controls. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.