fastboot: Implement NAND backend

[u-boot] / drivers / usb / gadget / ci_udc.c

diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c
index c0d23a444bf251bb7af90eb48c8153ad25c8b4ff..1ba5054965f05d9a9a2281b2a1bcc97ce1a79224 100644 (file)
--- 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;
        /*