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 <per.forlin@linaro.org>
Acked-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c
index cecace4118327c8a148ab976d1c8dfb234e7bf57..23134754b7c0968f2e1aa8291f4dcd1d5eaac865 100644 (file)
--- 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);