Merge tag 'mips-fixes_5.14_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips...

[linux-2.6-microblaze.git] / drivers / usb / dwc2 / gadget.c

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 74d2501..3146df6 100644 (file)
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2749,12 +2749,14 @@ static void dwc2_hsotg_complete_in(struct dwc2_hsotg *hsotg,
                return;
        }
 
-       /* Zlp for all endpoints, for ep0 only in DATA IN stage */
+       /* Zlp for all endpoints in non DDMA, for ep0 only in DATA IN stage */
        if (hs_ep->send_zlp) {
-               dwc2_hsotg_program_zlp(hsotg, hs_ep);
                hs_ep->send_zlp = 0;
-               /* transfer will be completed on next complete interrupt */
-               return;
+               if (!using_desc_dma(hsotg)) {
+                       dwc2_hsotg_program_zlp(hsotg, hs_ep);
+                       /* transfer will be completed on next complete interrupt */
+                       return;
+               }
        }
 
        if (hs_ep->index == 0 && hsotg->ep0_state == DWC2_EP0_DATA_IN) {