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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>
This commit is contained in:
Per Forlin 2011-08-02 17:33:39 +02:00 committed by Felipe Balbi
parent 93e098a8fc
commit d366d39bab
1 changed files with 7 additions and 9 deletions
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16
drivers/usb/musb/ux500_dma.c
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@ -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);