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15f5533152
This patch introduces support to Double Transfer Rate (DTR) SPI protocols. DTR is used only for Fast Read operations. According to manufacturer datasheets, whatever the number of I/O lines used during instruction (x) and address/mode/dummy (y) clock cycles, DTR is used only during data (z) clock cycles of SPI x-y-z protocols. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.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.