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During backup mode, the contents of all registers will be cleared as the SoC will be completely powered down. For a product that boots on NAND Flash memory, the bootloader will obviously use the related controller to read the Flash and correct any detected error in the memory, before handling back control to the kernel's resuming entry point. But it does not clean the NAND controller registers after use and on its side the kernel driver expects the error locator to be powered down and in a clean state. Add a resume hook for the PMECC error locator, and reset its registers. Signed-off-by: Romain Izard <romain.izard.pro@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
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.