aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/renesas_usbhs/mod_host.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/renesas_usbhs/mod_host.c')
-rw-r--r--drivers/usb/renesas_usbhs/mod_host.c63
1 files changed, 39 insertions, 24 deletions
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index 1a7208a50afc..bade761a1e52 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -103,7 +103,7 @@ struct usbhsh_hpriv {
103 103
104 u32 port_stat; /* USB_PORT_STAT_xxx */ 104 u32 port_stat; /* USB_PORT_STAT_xxx */
105 105
106 struct completion *done; 106 struct completion setup_ack_done;
107 107
108 /* see usbhsh_req_alloc/free */ 108 /* see usbhsh_req_alloc/free */
109 struct list_head ureq_link_active; 109 struct list_head ureq_link_active;
@@ -355,6 +355,7 @@ static void usbhsh_device_free(struct usbhsh_hpriv *hpriv,
355struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv, 355struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
356 struct usbhsh_device *udev, 356 struct usbhsh_device *udev,
357 struct usb_host_endpoint *ep, 357 struct usb_host_endpoint *ep,
358 int dir_in_req,
358 gfp_t mem_flags) 359 gfp_t mem_flags)
359{ 360{
360 struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); 361 struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
@@ -364,27 +365,38 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
364 struct usbhs_pipe *pipe, *best_pipe; 365 struct usbhs_pipe *pipe, *best_pipe;
365 struct device *dev = usbhsh_hcd_to_dev(hcd); 366 struct device *dev = usbhsh_hcd_to_dev(hcd);
366 struct usb_endpoint_descriptor *desc = &ep->desc; 367 struct usb_endpoint_descriptor *desc = &ep->desc;
367 int type, i; 368 int type, i, dir_in;
368 unsigned int min_usr; 369 unsigned int min_usr;
369 370
371 dir_in_req = !!dir_in_req;
372
370 uep = kzalloc(sizeof(struct usbhsh_ep), mem_flags); 373 uep = kzalloc(sizeof(struct usbhsh_ep), mem_flags);
371 if (!uep) { 374 if (!uep) {
372 dev_err(dev, "usbhsh_ep alloc fail\n"); 375 dev_err(dev, "usbhsh_ep alloc fail\n");
373 return NULL; 376 return NULL;
374 } 377 }
375 type = usb_endpoint_type(desc); 378
379 if (usb_endpoint_xfer_control(desc)) {
380 best_pipe = usbhsh_hpriv_to_dcp(hpriv);
381 goto usbhsh_endpoint_alloc_find_pipe;
382 }
376 383
377 /* 384 /*
378 * find best pipe for endpoint 385 * find best pipe for endpoint
379 * see 386 * see
380 * HARDWARE LIMITATION 387 * HARDWARE LIMITATION
381 */ 388 */
389 type = usb_endpoint_type(desc);
382 min_usr = ~0; 390 min_usr = ~0;
383 best_pipe = NULL; 391 best_pipe = NULL;
384 usbhs_for_each_pipe_with_dcp(pipe, priv, i) { 392 usbhs_for_each_pipe(pipe, priv, i) {
385 if (!usbhs_pipe_type_is(pipe, type)) 393 if (!usbhs_pipe_type_is(pipe, type))
386 continue; 394 continue;
387 395
396 dir_in = !!usbhs_pipe_is_dir_in(pipe);
397 if (0 != (dir_in - dir_in_req))
398 continue;
399
388 info = usbhsh_pipe_info(pipe); 400 info = usbhsh_pipe_info(pipe);
389 401
390 if (min_usr > info->usr_cnt) { 402 if (min_usr > info->usr_cnt) {
@@ -398,7 +410,7 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
398 kfree(uep); 410 kfree(uep);
399 return NULL; 411 return NULL;
400 } 412 }
401 413usbhsh_endpoint_alloc_find_pipe:
402 /* 414 /*
403 * init uep 415 * init uep
404 */ 416 */
@@ -423,6 +435,7 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
423 * see 435 * see
424 * DCPMAXP/PIPEMAXP 436 * DCPMAXP/PIPEMAXP
425 */ 437 */
438 usbhs_pipe_sequence_data0(uep->pipe);
426 usbhs_pipe_config_update(uep->pipe, 439 usbhs_pipe_config_update(uep->pipe,
427 usbhsh_device_number(hpriv, udev), 440 usbhsh_device_number(hpriv, udev),
428 usb_endpoint_num(desc), 441 usb_endpoint_num(desc),
@@ -430,7 +443,7 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
430 443
431 dev_dbg(dev, "%s [%d-%s](%p)\n", __func__, 444 dev_dbg(dev, "%s [%d-%s](%p)\n", __func__,
432 usbhsh_device_number(hpriv, udev), 445 usbhsh_device_number(hpriv, udev),
433 usbhs_pipe_name(pipe), uep); 446 usbhs_pipe_name(uep->pipe), uep);
434 447
435 return uep; 448 return uep;
436} 449}
@@ -549,8 +562,7 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv,
549 * usbhsh_irq_setup_ack() 562 * usbhsh_irq_setup_ack()
550 * usbhsh_irq_setup_err() 563 * usbhsh_irq_setup_err()
551 */ 564 */
552 DECLARE_COMPLETION(done); 565 init_completion(&hpriv->setup_ack_done);
553 hpriv->done = &done;
554 566
555 /* copy original request */ 567 /* copy original request */
556 memcpy(&req, urb->setup_packet, sizeof(struct usb_ctrlrequest)); 568 memcpy(&req, urb->setup_packet, sizeof(struct usb_ctrlrequest));
@@ -572,8 +584,7 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv,
572 /* 584 /*
573 * wait setup packet ACK 585 * wait setup packet ACK
574 */ 586 */
575 wait_for_completion(&done); 587 wait_for_completion(&hpriv->setup_ack_done);
576 hpriv->done = NULL;
577 588
578 dev_dbg(dev, "%s done\n", __func__); 589 dev_dbg(dev, "%s done\n", __func__);
579} 590}
@@ -724,11 +735,11 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd,
724 struct usbhsh_device *udev, *new_udev = NULL; 735 struct usbhsh_device *udev, *new_udev = NULL;
725 struct usbhs_pipe *pipe; 736 struct usbhs_pipe *pipe;
726 struct usbhsh_ep *uep; 737 struct usbhsh_ep *uep;
738 int is_dir_in = usb_pipein(urb->pipe);
727 739
728 int ret; 740 int ret;
729 741
730 dev_dbg(dev, "%s (%s)\n", 742 dev_dbg(dev, "%s (%s)\n", __func__, is_dir_in ? "in" : "out");
731 __func__, usb_pipein(urb->pipe) ? "in" : "out");
732 743
733 ret = usb_hcd_link_urb_to_ep(hcd, urb); 744 ret = usb_hcd_link_urb_to_ep(hcd, urb);
734 if (ret) 745 if (ret)
@@ -751,7 +762,8 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd,
751 */ 762 */
752 uep = usbhsh_ep_to_uep(ep); 763 uep = usbhsh_ep_to_uep(ep);
753 if (!uep) { 764 if (!uep) {
754 uep = usbhsh_endpoint_alloc(hpriv, udev, ep, mem_flags); 765 uep = usbhsh_endpoint_alloc(hpriv, udev, ep,
766 is_dir_in, mem_flags);
755 if (!uep) 767 if (!uep)
756 goto usbhsh_urb_enqueue_error_free_device; 768 goto usbhsh_urb_enqueue_error_free_device;
757 } 769 }
@@ -1095,10 +1107,7 @@ static int usbhsh_irq_setup_ack(struct usbhs_priv *priv,
1095 1107
1096 dev_dbg(dev, "setup packet OK\n"); 1108 dev_dbg(dev, "setup packet OK\n");
1097 1109
1098 if (unlikely(!hpriv->done)) 1110 complete(&hpriv->setup_ack_done); /* see usbhsh_urb_enqueue() */
1099 dev_err(dev, "setup ack happen without necessary data\n");
1100 else
1101 complete(hpriv->done); /* see usbhsh_urb_enqueue() */
1102 1111
1103 return 0; 1112 return 0;
1104} 1113}
@@ -1111,10 +1120,7 @@ static int usbhsh_irq_setup_err(struct usbhs_priv *priv,
1111 1120
1112 dev_dbg(dev, "setup packet Err\n"); 1121 dev_dbg(dev, "setup packet Err\n");
1113 1122
1114 if (unlikely(!hpriv->done)) 1123 complete(&hpriv->setup_ack_done); /* see usbhsh_urb_enqueue() */
1115 dev_err(dev, "setup err happen without necessary data\n");
1116 else
1117 complete(hpriv->done); /* see usbhsh_urb_enqueue() */
1118 1124
1119 return 0; 1125 return 0;
1120} 1126}
@@ -1221,8 +1227,18 @@ static int usbhsh_stop(struct usbhs_priv *priv)
1221{ 1227{
1222 struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv); 1228 struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
1223 struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); 1229 struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
1230 struct usbhs_mod *mod = usbhs_mod_get_current(priv);
1224 struct device *dev = usbhs_priv_to_dev(priv); 1231 struct device *dev = usbhs_priv_to_dev(priv);
1225 1232
1233 /*
1234 * disable irq callback
1235 */
1236 mod->irq_attch = NULL;
1237 mod->irq_dtch = NULL;
1238 mod->irq_sack = NULL;
1239 mod->irq_sign = NULL;
1240 usbhs_irq_callback_update(priv, mod);
1241
1226 usb_remove_hcd(hcd); 1242 usb_remove_hcd(hcd);
1227 1243
1228 /* disable sys */ 1244 /* disable sys */
@@ -1235,7 +1251,7 @@ static int usbhsh_stop(struct usbhs_priv *priv)
1235 return 0; 1251 return 0;
1236} 1252}
1237 1253
1238int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv) 1254int usbhs_mod_host_probe(struct usbhs_priv *priv)
1239{ 1255{
1240 struct usbhsh_hpriv *hpriv; 1256 struct usbhsh_hpriv *hpriv;
1241 struct usb_hcd *hcd; 1257 struct usb_hcd *hcd;
@@ -1279,7 +1295,6 @@ int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv)
1279 hpriv->mod.stop = usbhsh_stop; 1295 hpriv->mod.stop = usbhsh_stop;
1280 hpriv->pipe_info = pipe_info; 1296 hpriv->pipe_info = pipe_info;
1281 hpriv->pipe_size = pipe_size; 1297 hpriv->pipe_size = pipe_size;
1282 hpriv->done = NULL;
1283 usbhsh_req_list_init(hpriv); 1298 usbhsh_req_list_init(hpriv);
1284 usbhsh_port_stat_init(hpriv); 1299 usbhsh_port_stat_init(hpriv);
1285 1300
@@ -1299,7 +1314,7 @@ usbhs_mod_host_probe_err:
1299 return -ENOMEM; 1314 return -ENOMEM;
1300} 1315}
1301 1316
1302int __devexit usbhs_mod_host_remove(struct usbhs_priv *priv) 1317int usbhs_mod_host_remove(struct usbhs_priv *priv)
1303{ 1318{
1304 struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv); 1319 struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
1305 struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); 1320 struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);