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The pin2mask() accessor only shuffles BIT ORDER in big endian systems, i.e. the bitstuffing is swizzled big endian so "bit 0" is bit 7 or bit 15 or bit 31 or so. The grgpio only uses big endian BYTE ORDER which will be taken car of by the ->write_reg() callback. Just use BIT(offset) to assign the bit. Acked-by: Andreas Larsson <andreas@gaisler.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.