diff options
Diffstat (limited to 'drivers/staging/octeon-usb')
| -rw-r--r-- | drivers/staging/octeon-usb/octeon-hcd.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/staging/octeon-usb/octeon-hcd.c b/drivers/staging/octeon-usb/octeon-hcd.c index 1ec70eb..a8c467f 100644 --- a/drivers/staging/octeon-usb/octeon-hcd.c +++ b/drivers/staging/octeon-usb/octeon-hcd.c @@ -1636,8 +1636,9 @@ static void cvmx_usb_start_channel(struct cvmx_usb_state *usb, int channel, usbc_haintmsk.u32); } - /* Setup the locations the DMA engines use */ + /* Setup the location the DMA engine uses. */ { + uint64_t reg; uint64_t dma_address = transaction->buffer + transaction->actual_bytes; @@ -1646,12 +1647,11 @@ static void cvmx_usb_start_channel(struct cvmx_usb_state *usb, int channel, transaction->iso_packets[0].offset + transaction->actual_bytes; - cvmx_write64_uint64(CVMX_USBNX_DMA0_OUTB_CHN0(usb->index) + - channel * 8, - dma_address); - cvmx_write64_uint64(CVMX_USBNX_DMA0_INB_CHN0(usb->index) + - channel * 8, - dma_address); + if (pipe->transfer_dir == CVMX_USB_DIRECTION_OUT) + reg = CVMX_USBNX_DMA0_OUTB_CHN0(usb->index); + else + reg = CVMX_USBNX_DMA0_INB_CHN0(usb->index); + cvmx_write64_uint64(reg + channel * 8, dma_address); } /* Setup both the size of the transfer and the SPLIT characteristics */ |
