* Remove xfer->retry_req.

It is unnecessary because retry is done by OHCI.
   Further retry should be done by applications.

sys/dev/firewire/firewire.c

@@ -257,7 +257,6 @@ fw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer)
 	xfer->resp = 0;
 	xfer->fc = fc;
 	xfer->q = xferq;
-	xfer->retry_req = fw_asybusy;
 
 	fw_asystart(xfer);
 	return err;
@@ -293,13 +292,6 @@ fw_asystart(struct fw_xfer *xfer)
 {
 	struct firewire_comm *fc = xfer->fc;
 	int s;
-	if(xfer->retry++ >= fc->max_asyretry){
-		device_printf(fc->bdev, "max_asyretry exceeded\n");
-		xfer->resp = EBUSY;
-		xfer->state = FWXF_BUSY;
-		xfer->act.hand(xfer);
-		return;
-	}
 #if 0 /* XXX allow bus explore packets only after bus rest */
 	if (fc->status < FWBUSEXPLORE) {
 		xfer->resp = EAGAIN;
@@ -416,7 +408,6 @@ firewire_attach(device_t dev)
 
 	CALLOUT_INIT(&sc->fc->timeout_callout);
 	CALLOUT_INIT(&sc->fc->bmr_callout);
-	CALLOUT_INIT(&sc->fc->retry_probe_callout);
 	CALLOUT_INIT(&sc->fc->busprobe_callout);
 
 	callout_reset(&sc->fc->timeout_callout, hz,
@@ -487,7 +478,6 @@ firewire_detach(device_t dev)
 
 	callout_stop(&sc->fc->timeout_callout);
 	callout_stop(&sc->fc->bmr_callout);
-	callout_stop(&sc->fc->retry_probe_callout);
 	callout_stop(&sc->fc->busprobe_callout);
 
 	/* XXX xfree_free and untimeout on all xfers */
@@ -710,8 +700,6 @@ void fw_init(struct firewire_comm *fc)
 	struct fw_bind *fwb;
 #endif
 
-	fc->max_asyretry = FW_MAXASYRTY;
-
 	fc->arq->queued = 0;
 	fc->ars->queued = 0;
 	fc->atq->queued = 0;
@@ -1055,7 +1043,6 @@ fw_xfer_unload(struct fw_xfer* xfer)
 	}
 	xfer->state = FWXF_INIT;
 	xfer->resp = 0;
-	xfer->retry = 0;
 }
 /*
  * To free IEEE1394 XFER structure. 
@@ -1113,7 +1100,6 @@ fw_phy_config(struct firewire_comm *fc, int root_node, int gap_count)
 	if (xfer == NULL)
 		return;
 	xfer->fc = fc;
-	xfer->retry_req = fw_asybusy;
 	xfer->act.hand = fw_asy_callback_free;
 
 	fp = &xfer->send.hdr;
@@ -1277,7 +1263,6 @@ fw_bus_probe(struct firewire_comm *fc)
 
 	s = splfw();
 	fc->status = FWBUSEXPLORE;
-	fc->retry_count = 0;
 
 	/* Invalidate all devices, just after bus reset. */
 	STAILQ_FOREACH(fwdev, &fc->devices, link)
@@ -1508,12 +1493,8 @@ fw_bus_explore_callback(struct fw_xfer *xfer)
 
 	if(xfer->resp != 0){
 		device_printf(fc->bdev,
-		    "bus_explore node=%d addr=0x%x resp=%d retry=%d\n",
+		    "bus_explore node=%d addr=0x%x resp=%d\n",
-		    fc->ongonode, fc->ongoaddr, xfer->resp, xfer->retry);
+		    fc->ongonode, fc->ongoaddr, xfer->resp);
-		if (xfer->retry < fc->max_asyretry) {
-			fw_asystart(xfer);
-			return;
-		}
 		goto errnode;
 	}
 
@@ -1694,14 +1675,6 @@ fw_attach_dev(struct firewire_comm *fc)
 	}
 	free(devlistp, M_TEMP);
 
-	if (fc->retry_count > 0) {
-		device_printf(fc->bdev, "bus_explore failed for %d nodes\n",
-		    fc->retry_count);
-#if 0
-		callout_reset(&fc->retry_probe_callout, hz*2,
-					(void *)fc->ibr, (void *)fc);
-#endif
-	}
 	return;
 }
 
@@ -2171,7 +2144,6 @@ fw_vmaccess(struct fw_xfer *xfer){
 	sfp->mode.hdr.dst = rfp->mode.hdr.src;
 	xfer->dst = ntohs(rfp->mode.hdr.src);
 	xfer->act.hand = fw_xfer_free;
-	xfer->retry_req = fw_asybusy;
 
 	sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt;
 	sfp->mode.hdr.pri = 0;

sys/dev/firewire/firewirereg.h

@@ -152,7 +152,6 @@ struct firewire_comm{
 	struct callout busprobe_callout;
 	struct callout bmr_callout;
 	struct callout timeout_callout;
-	struct callout retry_probe_callout;
 	uint32_t (*cyctimer) (struct  firewire_comm *);
 	void (*ibr) (struct firewire_comm *);
 	uint32_t (*set_bmr) (struct firewire_comm *, uint32_t);
@@ -252,9 +251,7 @@ struct fw_xfer{
 #define FWXF_BUSY 8
 #define FWXF_RCVD 10
 	uint8_t state;
-	uint8_t retry;
 	uint8_t tl;
-	void (*retry_req) (struct fw_xfer *);
 	union{
 		void (*hand) (struct fw_xfer *);
 	} act;

sys/dev/firewire/fwmem.c

@@ -115,7 +115,6 @@ fwmem_xfer_req(
 	else
 		xfer->send.spd = min(spd, fwdev->speed);
 	xfer->act.hand = hand;
-	xfer->retry_req = fw_asybusy;
 	xfer->sc = sc;
 	xfer->send.pay_len = slen;
 	xfer->recv.pay_len = rlen;

sys/dev/firewire/fwohci.c

@@ -1125,12 +1125,8 @@ fwohci_txd(struct fwohci_softc *sc, struct fwohci_dbch *dbch)
 				if (err == EBUSY && fc->status != FWBUSRESET) {
 					xfer->state = FWXF_BUSY;
 					xfer->resp = err;
-					if (xfer->retry_req != NULL)
+					xfer->recv.pay_len = 0;
-						xfer->retry_req(xfer);
+					fw_xfer_done(xfer);
-					else {
-						xfer->recv.pay_len = 0;
-						fw_xfer_done(xfer);
-					}
 				} else if (stat != FWOHCIEV_ACKPEND) {
 					if (stat != FWOHCIEV_ACKCOMPL)
 						xfer->state = FWXF_SENTERR;

sys/dev/firewire/if_fwe.c

@@ -384,7 +384,6 @@ fwe_init(void *arg)
 				break;
 			xfer->send.spd = tx_speed;
 			xfer->fc = fwe->fd.fc;
-			xfer->retry_req = fw_asybusy;
 			xfer->sc = (caddr_t)fwe;
 			xfer->act.hand = fwe_output_callback;
 			STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link);

sys/dev/firewire/if_fwip.c

@@ -380,7 +380,6 @@ fwip_init(void *arg)
 				break;
 			xfer->send.spd = tx_speed;
 			xfer->fc = fwip->fd.fc;
-			xfer->retry_req = fw_asybusy;
 			xfer->sc = (caddr_t)fwip;
 			xfer->act.hand = fwip_output_callback;
 			STAILQ_INSERT_TAIL(&fwip->xferlist, xfer, link);

sys/dev/firewire/sbp.c

@@ -1320,7 +1320,6 @@ sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
 		xfer->recv.pay_len = 0;
 		xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
 		xfer->fc = sdev->target->sbp->fd.fc;
-		xfer->retry_req = fw_asybusy;
 	}
 
 	if (tcode == FWTCODE_WREQB)
@@ -1878,7 +1877,6 @@ printf("len %d\n", sbp_status->len);
 	xfer->dst = sfp->mode.wres.dst;
 	xfer->spd = min(sdev->target->fwdev->speed, max_speed);
 	xfer->act.hand = sbp_loginres_callback;
-	xfer->retry_req = fw_asybusy;
 
 	sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
 	sfp->mode.wres.tcode = FWTCODE_WRES;

sys/dev/firewire/sbp_targ.c

@@ -1595,7 +1595,6 @@ sbp_targ_recv(struct fw_xfer *xfer)
 	sfp = &xfer->send.hdr;
 	xfer->send.spd = 2; /* XXX */
 	xfer->act.hand = sbp_targ_resp_callback;
-	xfer->retry_req = fw_asybusy;
 	sfp->mode.wres.dst = fp->mode.wreqb.src;
 	sfp->mode.wres.tlrt = fp->mode.wreqb.tlrt;
 	sfp->mode.wres.tcode = FWTCODE_WRES;