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In some scenarios, we should set some pins as input/output/pullup/pulldown when the specified system goes into deep sleep mode, then when the system goes into deep sleep mode, these pins will be set automatically by hardware. That means some pins are not controlled by any specific driver in the OS, but need to be controlled when entering sleep mode. Thus we introduce one sleep state config into pinconf-generic for users to configure. Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com> Signed-off-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.