summaryrefslogtreecommitdiff
path: root/drivers/usb/musb
diff options
context:
space:
mode:
authorPer Forlin <per.forlin@linaro.org>2011-08-02 15:33:39 (GMT)
committerFelipe Balbi <balbi@ti.com>2011-08-12 08:52:45 (GMT)
commitd366d39bab562545ccb4a5931d62d0fd9e6a8ffc (patch)
treeac33c6766924ab314e2c9ca62a2a79d68890c712 /drivers/usb/musb
parent93e098a8fc02c579875e64001f7a511b7e75a16c (diff)
downloadlinux-d366d39bab562545ccb4a5931d62d0fd9e6a8ffc.tar.xz
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>
Diffstat (limited to 'drivers/usb/musb')
-rw-r--r--drivers/usb/musb/ux500_dma.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c
index cecace4..2313475 100644
--- 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);