Lines Matching refs:dma
24 #include <linux/dma-mapping.h>
987 dev_err(port->dev, "Failed to send via dma!\n");
1041 dev_dbg(port->dev, "need to release resource of dma\n");
1135 * The current transfer size should not be larger than the dma buffer
1142 * last byte of the dma buffer:
1145 * However ring->tail must always points inside the dma buffer:
1218 dev_dbg(port->dev, "need to release resource of dma\n");
1241 * Prepare a cyclic dma transfer, assign 2 descriptors,
1737 if (of_property_read_bool(np, "atmel,use-dma-rx")) {
1750 if (of_property_read_bool(np, "atmel,use-dma-tx")) {