diff options
Diffstat (limited to 'drivers/usb/renesas_usbhs/mod_gadget.c')
| -rw-r--r-- | drivers/usb/renesas_usbhs/mod_gadget.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 4a1d1fcc90fd..a3818773dec1 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -26,7 +26,6 @@ */ struct usbhsg_request { struct usb_request req; - struct list_head node; struct usbhs_pkt pkt; }; @@ -36,7 +35,6 @@ struct usbhsg_pipe_handle; struct usbhsg_uep { struct usb_ep ep; struct usbhs_pipe *pipe; - struct list_head list; char ep_name[EP_NAME_SIZE]; @@ -161,12 +159,12 @@ static void usbhsg_queue_push(struct usbhsg_uep *uep, struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep); struct device *dev = usbhsg_gpriv_to_dev(gpriv); struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); + struct usbhs_pkt *pkt = usbhsg_ureq_to_pkt(ureq); /* ********* assume under spin lock ********* */ - list_del_init(&ureq->node); - list_add_tail(&ureq->node, &uep->list); + usbhs_pkt_push(pipe, pkt); ureq->req.actual = 0; ureq->req.status = -EINPROGRESS; @@ -177,13 +175,16 @@ static void usbhsg_queue_push(struct usbhsg_uep *uep, static struct usbhsg_request *usbhsg_queue_get(struct usbhsg_uep *uep) { + struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); + struct usbhs_pkt *pkt = usbhs_pkt_get(pipe); + /* ********* assume under spin lock ********* */ - if (list_empty(&uep->list)) - return NULL; + if (!pkt) + return 0; - return list_entry(uep->list.next, struct usbhsg_request, node); + return usbhsg_pkt_to_ureq(pkt); } #define usbhsg_queue_prepare(uep) __usbhsg_queue_handler(uep, 1); @@ -243,6 +244,7 @@ static void usbhsg_queue_pop(struct usbhsg_uep *uep, struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep); struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); struct device *dev = usbhsg_gpriv_to_dev(gpriv); + struct usbhs_pkt *pkt = usbhsg_ureq_to_pkt(ureq); /* ********* assume under spin lock ********* @@ -268,7 +270,7 @@ static void usbhsg_queue_pop(struct usbhsg_uep *uep, dev_dbg(dev, "pipe %d : queue pop\n", usbhs_pipe_number(pipe)); - list_del_init(&ureq->node); + usbhs_pkt_pop(pkt); ureq->req.status = status; ureq->req.complete(&uep->ep, &ureq->req); @@ -386,7 +388,6 @@ static void usbhsg_try_run_send_packet_bh(struct usbhs_pkt *pkt) static int usbhsg_try_run_send_packet(struct usbhsg_uep *uep, struct usbhsg_request *ureq) { - struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); struct usb_request *req = &ureq->req; struct usbhs_pkt *pkt = usbhsg_ureq_to_pkt(ureq); int ret; @@ -395,7 +396,7 @@ static int usbhsg_try_run_send_packet(struct usbhsg_uep *uep, ********* assume under spin lock ********* */ - usbhs_pkt_update(pkt, pipe, + usbhs_pkt_update(pkt, req->buf + req->actual, req->length - req->actual); @@ -473,7 +474,6 @@ static void usbhsg_try_run_receive_packet_bh(struct usbhs_pkt *pkt) static int usbhsg_try_run_receive_packet(struct usbhsg_uep *uep, struct usbhsg_request *ureq) { - struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); struct usb_request *req = &ureq->req; struct usbhs_pkt *pkt = usbhsg_ureq_to_pkt(ureq); @@ -481,7 +481,7 @@ static int usbhsg_try_run_receive_packet(struct usbhsg_uep *uep, ********* assume under spin lock ********* */ - usbhs_pkt_update(pkt, pipe, + usbhs_pkt_update(pkt, req->buf + req->actual, req->length - req->actual); @@ -814,7 +814,6 @@ static int usbhsg_dcp_enable(struct usbhsg_uep *uep) uep->pipe = pipe; uep->pipe->mod_private = uep; - INIT_LIST_HEAD(&uep->list); return 0; } @@ -888,7 +887,6 @@ static int usbhsg_ep_enable(struct usb_ep *ep, if (pipe) { uep->pipe = pipe; pipe->mod_private = uep; - INIT_LIST_HEAD(&uep->list); if (usb_endpoint_dir_in(desc)) uep->handler = &usbhsg_handler_send_packet; @@ -932,7 +930,8 @@ static struct usb_request *usbhsg_ep_alloc_request(struct usb_ep *ep, if (!ureq) return NULL; - INIT_LIST_HEAD(&ureq->node); + usbhs_pkt_init(usbhsg_ureq_to_pkt(ureq)); + return &ureq->req; } @@ -941,7 +940,7 @@ static void usbhsg_ep_free_request(struct usb_ep *ep, { struct usbhsg_request *ureq = usbhsg_req_to_ureq(req); - WARN_ON(!list_empty(&ureq->node)); + WARN_ON(!list_empty(&ureq->pkt.node)); kfree(ureq); } @@ -1379,7 +1378,6 @@ int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv) uep->ep.name = uep->ep_name; uep->ep.ops = &usbhsg_ep_ops; INIT_LIST_HEAD(&uep->ep.ep_list); - INIT_LIST_HEAD(&uep->list); /* init DCP */ if (usbhsg_is_dcp(uep)) { |