Hi, This patch set adds a device node validation in DMA engine core, that will help some drivers to remove the duplicate device node validation in each driver. Any comments are welcome. Thanks. Baolin Wang (8): dmaengine: Add matching device node validation in __dma_request_channel() soc: tegra: fuse: Change to the correct __dma_request_channel() prototype dmaengine: imx-sdma: Let the core do the device node validation dmaengine: dma-jz4780: Let the core do the device node validation dmaengine: mmp_tdma: Let the core do the device node validation dmaengine: mxs-dma: Let the core do the device node validation dmaengine: sh: rcar-dmac: Let the core do the device node validation dmaengine: sh: usb-dmac: Let the core do the device node validation drivers/dma/dma-jz4780.c | 7 ++----- drivers/dma/dmaengine.c | 10 ++++++++-- drivers/dma/imx-sdma.c | 9 ++------- drivers/dma/mmp_tdma.c | 10 ++-------- drivers/dma/mxs-dma.c | 8 ++------ drivers/dma/of-dma.c | 4 ++-- drivers/dma/sh/rcar-dmac.c | 6 +++--- drivers/dma/sh/usb-dmac.c | 6 ++---- drivers/soc/tegra/fuse/fuse-tegra20.c | 2 +- include/linux/dmaengine.h | 12 ++++++++---- include/linux/platform_data/dma-imx.h | 1 - 11 files changed, 32 insertions(+), 43 deletions(-) -- 1.7.9.5