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In debug mode (MD21=1), reset requests derived from power-shutoff to the AP-system CPU cores must be enabled before the AP-system CPU cores resume from power-shutoff for the first time. Else resume may fail, causing the system to hang during boot. As setting these bits is a no-op in normal mode, there's no need to check the actual state of MD21 first. Inspired by CPU-specific patches in the BSP by Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Tested-by: Hiep Cao Minh <cm-hiep@jinso.co.jp> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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.