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authorPer Forlin <per.forlin@linaro.org>2011-08-02 17:33:39 +0200
committerFelipe Balbi <balbi@ti.com>2011-08-12 10:52:45 +0200
commitd366d39bab562545ccb4a5931d62d0fd9e6a8ffc (patch)
treeac33c6766924ab314e2c9ca62a2a79d68890c712
parentusb: musb: fix oops on musb_gadget_pullup (diff)
downloadlinux-d366d39bab562545ccb4a5931d62d0fd9e6a8ffc.tar.xz
linux-d366d39bab562545ccb4a5931d62d0fd9e6a8ffc.zip
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>
-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 cecace411832..23134754b7c0 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);