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Pull SPI updates from Mark Brown: "A quiet release for SPI, some fixes and small updates for individual drivers with one bigger change from Linus Walleij which coverts the bitbanging SPI driver to use the GPIO descriptor API from Linus Walleij. Since GPIO descriptors were used by platform data this means there's a few changes in arch/ making relevant updates for a few platforms and one misc driver that are affected" * tag 'spi-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (24 commits) MAINTAINERS: update Andi's e-mail spi: spi-atmel: Use correct enum for DMA transfer direction spi: sh-msiof: Document R-Car M3-N support spi: sh-msiof: Use correct enum for DMA transfer direction spi: sprd: Add the support of restarting the system spi: sprd: Simplify the transfer function spi: Fix unregistration of controller with fixed SPI bus number spi: rspi: use correct enum for DMA transfer direction spi: jcore: disable ref_clk after getting its rate spi: bcm-qspi: fIX some error handling paths spi: pxa2xx: Disable runtime PM if controller registration fails spi: tegra20-slink: use true and false for boolean values spi: Fix scatterlist elements size in spi_map_buf spi: atmel: init FIFOs before spi enable spi: orion: Prepare space for per-child options spi: orion: Make the error message greppable spi: orion: Rework GPIO CS handling spi: bcm2835aux: Avoid 64-bit arithmetic in xfer len calc spi: spi-gpio: Augment device tree bindings spi: spi-gpio: Rewrite to use GPIO descriptors ...
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.