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The A64 has 3 MMC controllers, one of them being especially targeted to eMMC. Among other things, it has a data strobe signal and a 8 bits data width. The two other are more usual controllers that will have a 4 bits width at most and no data strobe signal, which limits it to more usual SD or MMC peripherals. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Tested-by: Florian Vaussard <florian.vaussard@heig-vd.ch> Acked-by: Chen-Yu Tsai <wens@csie.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.