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The fourth argument of dma_map_sg() and dma_unmap_sg() is an item of dma_data_direction enum. Function img_hash_xmit_dma() wrongly used DMA_MEM_TO_DEV, which is an item of dma_transfer_direction enum. Replace DMA_MEM_TO_DEV (which value is 1) with DMA_TO_DEVICE (which value is fortunately also 1) when calling dma_map_sg() and dma_unmap_sg(). Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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.