2 files changed, 19 insertions, 0 deletions

diff --git a/sys/dev/xdma/xdma.c b/sys/dev/xdma/xdma.c
index d88cb1306536..aa6e6497a34c 100644
--- a/sys/dev/xdma/xdma.c
+++ b/sys/dev/xdma/xdma.c
@@ -511,6 +511,24 @@ xdma_ofw_get(device_t dev, const char *prop)
 #endif
 
 /*
+ * Allocate xdma controller.
+ */
+xdma_controller_t *
+xdma_get(device_t dev, device_t dma_dev)
+{
+	xdma_controller_t *xdma;
+
+	xdma = malloc(sizeof(struct xdma_controller),
+	    M_XDMA, M_WAITOK | M_ZERO);
+	xdma->dev = dev;
+	xdma->dma_dev = dma_dev;
+
+	TAILQ_INIT(&xdma->channels);
+
+	return (xdma);
+}
+
+/*
  * Free xDMA controller object.
  */
 int
diff --git a/sys/dev/xdma/xdma.h b/sys/dev/xdma/xdma.h
index 48a03c125b3a..b9a8dd2c37c3 100644
--- a/sys/dev/xdma/xdma.h
+++ b/sys/dev/xdma/xdma.h
@@ -231,6 +231,7 @@ static MALLOC_DEFINE(M_XDMA, "xdma", "xDMA framework");
 
 /* xDMA controller ops */
 xdma_controller_t *xdma_ofw_get(device_t dev, const char *prop);
+xdma_controller_t *xdma_get(device_t dev, device_t dma_dev);
 int xdma_put(xdma_controller_t *xdma);
 vmem_t * xdma_get_memory(device_t dev);
 void xdma_put_memory(vmem_t *vmem);