diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c index 1ee6d3941dd4..365f30fb1159 100644 --- a/drivers/usb/cdns3/gadget.c +++ b/drivers/usb/cdns3/gadget.c @@ -1193,10 +1193,20 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep, /* set incorrect Cycle Bit for first trb*/ control = priv_ep->pcs ? 0 : TRB_CYCLE; + trb->length = 0; + if (priv_dev->dev_ver >= DEV_VER_V2) { + u16 td_size; + + td_size = DIV_ROUND_UP(request->length, + priv_ep->endpoint.maxpacket); + if (priv_dev->gadget.speed == USB_SPEED_SUPER) + trb->length = TRB_TDL_SS_SIZE(td_size); + else + control |= TRB_TDL_HS_SIZE(td_size); + } do { u32 length; - u16 td_size = 0; /* fill TRB */ control |= TRB_TYPE(TRB_NORMAL); @@ -1208,20 +1218,12 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep, length = request->length; } - if (likely(priv_dev->dev_ver >= DEV_VER_V2)) - td_size = DIV_ROUND_UP(length, - priv_ep->endpoint.maxpacket); - else if (priv_ep->flags & EP_TDLCHK_EN) + if (priv_ep->flags & EP_TDLCHK_EN) total_tdl += DIV_ROUND_UP(length, priv_ep->endpoint.maxpacket); - trb->length = cpu_to_le32(TRB_BURST_LEN(priv_ep->trb_burst_size) | + trb->length |= cpu_to_le32(TRB_BURST_LEN(priv_ep->trb_burst_size) | TRB_LEN(length)); - if (priv_dev->gadget.speed == USB_SPEED_SUPER) - trb->length |= cpu_to_le32(TRB_TDL_SS_SIZE(td_size)); - else - control |= TRB_TDL_HS_SIZE(td_size); - pcs = priv_ep->pcs ? TRB_CYCLE : 0; /*