usb: gadget: udc-core: copy dma-related parameters from parent
gadget's device pointer now is guaranteed to
have valid dma_mask, dma_parms and coherent_dma_mask
fields since we're always copying from our
parent device.
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 8a1eeb2..3e19a01 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -185,6 +185,10 @@
dev_set_name(&gadget->dev, "gadget");
+ dma_set_coherent_mask(&gadget->dev, parent->coherent_dma_mask);
+ gadget->dev.dma_parms = parent->dma_parms;
+ gadget->dev.dma_mask = parent->dma_mask;
+
ret = device_register(&gadget->dev);
if (ret)
goto err2;