usb: musb: ux500: set dma config for both src and dst

The dma driver requires both src and dst to be set. This fix is needed in order to run gadget mass storage. Patch is verified on snowball. Signed-off-by: Per Forlin <[email protected]> Acked-by: Mian Yousaf Kaukab <[email protected]> Acked-by: Linus Walleij <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
cluon · Aug 12, 2011 · d366d39 · d366d39
1 parent 93e098a
commit d366d39
Showing 1 changed file with 7 additions and 9 deletions.
diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c
@@ -133,15 +133,13 @@ static bool ux500_configure_channel(struct dma_channel *channel,
 					DMA_SLAVE_BUSWIDTH_4_BYTES;
 
 	slave_conf.direction = direction;
-	if (direction == DMA_FROM_DEVICE) {
-		slave_conf.src_addr = usb_fifo_addr;
-		slave_conf.src_addr_width = addr_width;
-		slave_conf.src_maxburst = 16;
-	} else {
-		slave_conf.dst_addr = usb_fifo_addr;
-		slave_conf.dst_addr_width = addr_width;
-		slave_conf.dst_maxburst = 16;
-	}
+	slave_conf.src_addr = usb_fifo_addr;
+	slave_conf.src_addr_width = addr_width;
+	slave_conf.src_maxburst = 16;
+	slave_conf.dst_addr = usb_fifo_addr;
+	slave_conf.dst_addr_width = addr_width;
+	slave_conf.dst_maxburst = 16;
+
 	dma_chan->device->device_control(dma_chan, DMA_SLAVE_CONFIG,
 					     (unsigned long) &slave_conf);