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path: root/drivers/usb/cdns3/gadget.c
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Diffstat (limited to 'drivers/usb/cdns3/gadget.c')
-rw-r--r--drivers/usb/cdns3/gadget.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index 736b0c6e27fe..3574dbb09366 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -2550,7 +2550,7 @@ found:
/* Update ring only if removed request is on pending_req_list list */
if (req_on_hw_ring) {
link_trb->buffer = TRB_BUFFER(priv_ep->trb_pool_dma +
- (priv_req->start_trb * TRB_SIZE));
+ ((priv_req->end_trb + 1) * TRB_SIZE));
link_trb->control = (link_trb->control & TRB_CYCLE) |
TRB_TYPE(TRB_LINK) | TRB_CHAIN;
@@ -2595,11 +2595,21 @@ int __cdns3_gadget_ep_clear_halt(struct cdns3_endpoint *priv_ep)
{
struct cdns3_device *priv_dev = priv_ep->cdns3_dev;
struct usb_request *request;
+ struct cdns3_request *priv_req;
+ struct cdns3_trb *trb = NULL;
int ret;
int val;
trace_cdns3_halt(priv_ep, 0, 0);
+ request = cdns3_next_request(&priv_ep->pending_req_list);
+ if (request) {
+ priv_req = to_cdns3_request(request);
+ trb = priv_req->trb;
+ if (trb)
+ trb->control = trb->control ^ TRB_CYCLE;
+ }
+
writel(EP_CMD_CSTALL | EP_CMD_EPRST, &priv_dev->regs->ep_cmd);
/* wait for EPRST cleared */
@@ -2610,10 +2620,11 @@ int __cdns3_gadget_ep_clear_halt(struct cdns3_endpoint *priv_ep)
priv_ep->flags &= ~(EP_STALLED | EP_STALL_PENDING);
- request = cdns3_next_request(&priv_ep->pending_req_list);
-
- if (request)
+ if (request) {
+ if (trb)
+ trb->control = trb->control ^ TRB_CYCLE;
cdns3_rearm_transfer(priv_ep, 1);
+ }
cdns3_start_all_request(priv_dev, priv_ep);
return ret;