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Using a serial console on RK3328 provokes an error from of_dma_request_slave_channel() since the UART nodes have a "dmas" property but are missing the mandatory "dma-names" to go with it. Replace the bogus "#dma-cells" - these UARTs are DMA channel consumers, not providers - with the appropriate names instead. DMA still doesn't actually work, since the PL330 driver doesn't quite implement everything the 8250 driver demands, but at least it makes the DT correct. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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.