diff options
Diffstat (limited to 'drivers/usb/gadget/s3c_udc_otg.c')
| -rw-r--r-- | drivers/usb/gadget/s3c_udc_otg.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/usb/gadget/s3c_udc_otg.c b/drivers/usb/gadget/s3c_udc_otg.c index ba17a04265..63d4487a9b 100644 --- a/drivers/usb/gadget/s3c_udc_otg.c +++ b/drivers/usb/gadget/s3c_udc_otg.c @@ -843,7 +843,7 @@ static struct s3c_udc memory = { int s3c_udc_probe(struct s3c_plat_otg_data *pdata) { struct s3c_udc *dev = &memory; - int retval = 0, i; + int retval = 0; debug("%s: %p\n", __func__, pdata); @@ -864,16 +864,15 @@ int s3c_udc_probe(struct s3c_plat_otg_data *pdata) the_controller = dev; - for (i = 0; i < S3C_MAX_ENDPOINTS+1; i++) { - dev->dma_buf[i] = memalign(CONFIG_SYS_CACHELINE_SIZE, - DMA_BUFFER_SIZE); - dev->dma_addr[i] = (dma_addr_t) dev->dma_buf[i]; - invalidate_dcache_range((unsigned long) dev->dma_buf[i], - (unsigned long) (dev->dma_buf[i] - + DMA_BUFFER_SIZE)); + usb_ctrl = memalign(CONFIG_SYS_CACHELINE_SIZE, + ROUND(sizeof(struct usb_ctrlrequest), + CONFIG_SYS_CACHELINE_SIZE)); + if (!usb_ctrl) { + error("No memory available for UDC!\n"); + return -ENOMEM; } - usb_ctrl = dev->dma_buf[0]; - usb_ctrl_dma_addr = dev->dma_addr[0]; + + usb_ctrl_dma_addr = (dma_addr_t) usb_ctrl; udc_reinit(dev); |