Structure at include/linux/dmaengine.h, line 493 References: drivers/dma/amba-pl08x.c, line 1132 drivers/dma/at_hdmac.c, line 1097 drivers/dma/coh901318.c, line 2382 drivers/dma/dma-jz4740.c, line 486 drivers/dma/dmaengine.h, line 68 drivers/dma/dmaengine.h, line 83 drivers/dma/dw/core.c, line 1086 drivers/dma/edma.c, line 487 drivers/dma/ep93xx_dma.c, line 1314 drivers/dma/fsldma.c, line 980 drivers/dma/imx-dma.c, line 736 drivers/dma/imx-sdma.c, line 1124 drivers/dma/intel_mid_dma.c, line 478 drivers/dma/ioat/dma.c, line 729 drivers/dma/ioat/dma.h, line 365 drivers/dma/ioat/dma_v3.c, line 804 drivers/dma/iop-adma.c, line 861 drivers/dma/ipu/ipu_idmac.c, line 1594 drivers/dma/mmp_pdma.c, line 633 drivers/dma/mmp_tdma.c, line 459 drivers/dma/mpc512x_dma.c, line 557 drivers/dma/mv_xor.c, line 739 drivers/dma/mxs-dma.c, line 622 drivers/dma/omap-dma.c, line 243 drivers/dma/pch_dma.c, line 565 drivers/dma/pl330.c, line 2481 drivers/dma/ppc4xx/adma.c, line 3887 drivers/dma/sa11x0-dma.c, line 429 drivers/dma/sh/shdma-base.c, line 708 drivers/dma/sirf-dma.c, line 467 drivers/dma/ste_dma40.c, line 2615 drivers/dma/tegra20-apb-dma.c, line 761 drivers/dma/timb_dma.c, line 511 drivers/dma/txx9dmac.c, line 959 drivers/net/irda/sa1100_ir.c, line 108 drivers/rapidio/devices/tsi721_dma.c, line 615 drivers/tty/serial/8250/8250_dma.c, line 45 drivers/tty/serial/8250/8250_dma.c, line 101 drivers/tty/serial/amba-pl011.c, line 829 drivers/tty/serial/amba-pl011.c, line 879 drivers/tty/serial/amba-pl011.c, line 946 drivers/tty/serial/serial-tegra.c, line 390 drivers/tty/serial/serial-tegra.c, line 483 drivers/tty/serial/serial-tegra.c, line 588 drivers/tty/serial/serial-tegra.c, line 731 include/linux/dmaengine.h, line 493 include/linux/dmaengine.h, line 598 include/linux/dmaengine.h, line 689 include/linux/dmaengine.h, line 918 include/linux/dmaengine.h, line 952 sound/soc/soc-dmaengine-pcm.c, line 241