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Intel SPI controller only has a 64 bytes FIFO. This adds a sanity check before triggering any HW/SW sequencer work. Additionally for the SW sequencer, if given data length is zero, we should not mark the 'Data Cycle' bit. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
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.