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path: root/drivers/usb/dwc3/gadget.c
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Diffstat (limited to 'drivers/usb/dwc3/gadget.c')
-rw-r--r--drivers/usb/dwc3/gadget.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 07bd31bb2f8a..6c9b76bcc2e1 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -177,6 +177,7 @@ static void dwc3_gadget_del_and_unmap_request(struct dwc3_ep *dep,
req->started = false;
list_del(&req->list);
req->remaining = 0;
+ req->needs_extra_trb = false;
if (req->request.status == -EINPROGRESS)
req->request.status = status;
@@ -1118,7 +1119,7 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep,
unsigned int maxp = usb_endpoint_maxp(dep->endpoint.desc);
unsigned int rem = length % maxp;
- if (rem && usb_endpoint_dir_out(dep->endpoint.desc)) {
+ if ((!length || rem) && usb_endpoint_dir_out(dep->endpoint.desc)) {
struct dwc3 *dwc = dep->dwc;
struct dwc3_trb *trb;
@@ -1984,6 +1985,7 @@ static int __dwc3_gadget_start(struct dwc3 *dwc)
/* begin to receive SETUP packets */
dwc->ep0state = EP0_SETUP_PHASE;
+ dwc->link_state = DWC3_LINK_STATE_SS_DIS;
dwc3_ep0_out_start(dwc);
dwc3_gadget_enable_irq(dwc);
@@ -3379,6 +3381,8 @@ int dwc3_gadget_suspend(struct dwc3 *dwc)
dwc3_disconnect_gadget(dwc);
__dwc3_gadget_stop(dwc);
+ synchronize_irq(dwc->irq_gadget);
+
return 0;
}