+ struct general_td *n=0, *prev = 0, *next = 0;
+ /* poll until edhead->headp is null */
+ do {
+ sync_before_read(edhead, sizeof(struct endpoint_descriptor));
+#ifdef _DU_OHCI_F
+ printf("edhead->headp: 0x%08X\n", LE(edhead->headp));
+ udelay(10000);
+#endif
+
+ /* if halted, debug output plz. will break the transfer */
+ if((LE(edhead->headp) & OHCI_ENDPOINT_HALTED)) {
+ n = phys_to_virt(LE(edhead->headp)&~0xf);
+ prev = phys_to_virt((u32)prev);
+#ifdef _DU_OHCI_F_HALT
+ printf("halted!\n");
+#endif
+
+ sync_before_read((void*) n, sizeof(struct general_td));
+#ifdef _DU_OHCI_F_HALT
+ printf("n: 0x%08X\n", n);
+ dump_address(n, sizeof(struct general_td), "n(after)");
+#endif
+ if(n->buflen > 0) {
+ sync_before_read((void*) n->bufaddr, n->buflen);
+#ifdef _DU_OHCI_F_HALT
+ dump_address((void*) n->bufaddr, n->buflen, "n->bufaddr(after)");
+#endif
+ }
+#ifdef _DU_OHCI_F_HALT
+ dbg_td_flag(LE(n->flags));
+#endif
+
+ sync_before_read((void*) prev, sizeof(struct general_td));
+#ifdef _DU_OHCI_F_HALT
+ printf("prev: 0x%08X\n", prev);
+ dump_address(prev, sizeof(struct general_td), "prev(after)");
+#endif
+ if(prev->buflen >0) {
+ sync_before_read((void*) prev->bufaddr, prev->buflen);
+#ifdef _DU_OHCI_F_HALT
+ dump_address((void*) prev->bufaddr, prev->buflen, "prev->bufaddr(after)");
+#endif
+ }
+#ifdef _DU_OHCI_F_HALT
+ dbg_td_flag(LE(prev->flags));
+ printf("halted end!\n");
+#endif
+ return;
+ }
+ prev = (struct general_td*) (LE(edhead->headp)&~0xf);
+ } while(LE(edhead->headp)&~0xf);
+
+ n = phys_to_virt(read32(OHCI0_HC_DONE_HEAD) & ~1);
+#ifdef _DU_OHCI_F
+ printf("hc_done_head: 0x%08X\n", read32(OHCI0_HC_DONE_HEAD));
+#endif
+
+ prev = 0; next = 0;
+ /* reverse done queue */
+ while(virt_to_phys(n) && edhead->tdcount) {
+ sync_before_read((void*) n, sizeof(struct general_td));
+#ifdef _DU_OHCI_F
+ printf("n: 0x%08X\n", n);
+ printf("next: 0x%08X\n", next);
+ printf("prev: 0x%08X\n", prev);
+#endif
+
+ next = n;
+ n = (struct general_td*) phys_to_virt(LE(n->nexttd));
+ next->nexttd = (u32) prev;
+ prev = next;
+
+ edhead->tdcount--;