summaryrefslogtreecommitdiff
path: root/drivers/usb/dwc3
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/dwc3')
-rw-r--r--drivers/usb/dwc3/gadget.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 122e64d..7a8d3d8 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -884,12 +884,9 @@ static u32 dwc3_calc_trbs_left(struct dwc3_ep *dep)
return DWC3_TRB_NUM - 1;
}
- trbs_left = dep->trb_dequeue - dep->trb_enqueue;
+ trbs_left = dep->trb_dequeue - dep->trb_enqueue - 1;
trbs_left &= (DWC3_TRB_NUM - 1);
- if (dep->trb_dequeue < dep->trb_enqueue)
- trbs_left--;
-
return trbs_left;
}