[alsa-devel] [PATCH 12/18] fotg210-udc: remove a bogus dma_sync_single_for_device call

[Christoph Hellwig]

dma_map_single already transfers ownership to the device.

Signed-off-by: Christoph Hellwig <hch at lst.de>
---
 drivers/usb/gadget/udc/fotg210-udc.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c
index bc6abaea907d..fe9cf415f2f1 100644
--- a/drivers/usb/gadget/udc/fotg210-udc.c
+++ b/drivers/usb/gadget/udc/fotg210-udc.c
@@ -356,10 +356,6 @@ static void fotg210_start_dma(struct fotg210_ep *ep,
 		return;
 	}
 
-	dma_sync_single_for_device(NULL, d, length,
-				   ep->dir_in ? DMA_TO_DEVICE :
-					DMA_FROM_DEVICE);
-
 	fotg210_enable_dma(ep, d, length);
 
 	/* check if dma is done */
-- 
2.20.1