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Serialize access to the hardware by using "request_muxed_region". Call to this macro will hold off the requestor if the resource is currently busy. "superio_enter" will return an error if call to "request_muxed_region" fails. Signed-off-by: Katsumi Sato <sato@toshiba-tops.co.jp> Signed-off-by: Atsushi Nemoto <nemoto@toshiba-tops.co.jp> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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.