diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index 8f6fc7046f8c..5a52d4279050 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -735,6 +735,8 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req) lastreq = list_entry(ep->queue.prev, struct fsl_req, queue); lastreq->tail->next_td_ptr = cpu_to_hc32(req->head->td_dma & DTD_ADDR_MASK); + /* Ensure dTD's next dtd pointer to be updated */ + wmb(); /* Read prime bit, if 1 goto done */ if (fsl_readl(&dr_regs->endpointprime) & bitmask) return;