diff options
| -rw-r--r-- | drivers/usb/gadget/ci_udc.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c index c0d23a444b..1ba5054965 100644 --- a/drivers/usb/gadget/ci_udc.c +++ b/drivers/usb/gadget/ci_udc.c @@ -426,7 +426,7 @@ static void ci_ep_submit_next_request(struct ci_ep *ci_ep) int bit, num, len, in; struct ci_req *ci_req; u8 *buf; - uint32_t length, actlen; + uint32_t len_left, len_this_dtd; struct ept_queue_item *dtd, *qtd; ci_ep->req_primed = true; @@ -444,25 +444,23 @@ static void ci_ep_submit_next_request(struct ci_ep *ci_ep) ci_req->dtd_count = 0; buf = ci_req->hw_buf; - actlen = 0; + len_left = len; dtd = item; do { - length = min(ci_req->req.length - actlen, - (unsigned)EP_MAX_LENGTH_TRANSFER); + len_this_dtd = min(len_left, (unsigned)EP_MAX_LENGTH_TRANSFER); - dtd->info = INFO_BYTES(length) | INFO_ACTIVE; + dtd->info = INFO_BYTES(len_this_dtd) | INFO_ACTIVE; dtd->page0 = (unsigned long)buf; dtd->page1 = ((unsigned long)buf & 0xfffff000) + 0x1000; dtd->page2 = ((unsigned long)buf & 0xfffff000) + 0x2000; dtd->page3 = ((unsigned long)buf & 0xfffff000) + 0x3000; dtd->page4 = ((unsigned long)buf & 0xfffff000) + 0x4000; - len -= length; - actlen += length; - buf += length; + len_left -= len_this_dtd; + buf += len_this_dtd; - if (len) { + if (len_left) { qtd = (struct ept_queue_item *) memalign(ILIST_ALIGN, ILIST_ENT_SZ); dtd->next = (unsigned long)qtd; @@ -471,7 +469,7 @@ static void ci_ep_submit_next_request(struct ci_ep *ci_ep) } ci_req->dtd_count++; - } while (len); + } while (len_left); item = dtd; /* |
