diff options
| author | Thirupathi Chippakurthy <thirupathi.chippakurthy@stericsson.com> | 2011-09-13 13:58:25 +0530 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@stericsson.com> | 2011-09-19 16:07:33 +0200 |
| commit | 31759bb9011a79603280afd195ee1e48083ff94e (patch) | |
| tree | c9b8b7371c4ed607777cc3df6338b0e84912194c | |
| parent | 366c6d0c0f2f8d1e65212d22dab4a312e92b20dd (diff) | |
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.
ST-Ericsson ID: 352334
ST-Ericsson Linux next: NA
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: I28001a4f5d00fff71d8d39b3cb7144affedb2766
Signed-off-by:<thirupathi.chippakurthy@stericsson.com>
Signed-off-by:<Per Forlin <per.forlin@...>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/30772
Reviewed-by: Praveena NADAHALLY <praveen.nadahally@stericsson.com>
| -rw-r--r-- | drivers/usb/musb/ux500_dma.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c index 90a26263efd..1e2fe3198f1 100644 --- a/drivers/usb/musb/ux500_dma.c +++ b/drivers/usb/musb/ux500_dma.c @@ -163,15 +163,14 @@ 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); |