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There are two types of "struct device": the one representing the physical device on its physical bus (platform, SPI, PCI, etc.), and the one representing the logical device in its device class (net, etc.). The DMA mapping API expects to receive as argument a "struct device" representing the physical device, as the "struct device" contains information about the bus that the DMA API needs. However, the sh_eth driver mistakenly uses the "struct device" representing the logical device (embedded in "struct net_device") rather than the "struct device" representing the physical device on its bus. This commit fixes that by adjusting all calls to the DMA mapping API. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: David S. Miller <davem@davemloft.net>
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.