usb: dwc2: Set actual frame number for completed ISOC transfer

On ISOC transfer completion, in DDMA mode, set actual frame
number returning to function driver in usb_request.

Due to core limitation, returning frame number is 11-bit wide.

Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index fafd9cc9c8b2e7ee00fa50c3171e2b7fbadd4264..a17e444e467bd1b49a2e1e18175dd1cfd27b8ef3 100644 (file)
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2166,6 +2166,11 @@ static void dwc2_gadget_complete_isoc_request_ddma(struct dwc2_hsotg_ep *hs_ep)
                         */
                        if (!hs_ep->dir_in && ureq->length & 0x3)
                                ureq->actual += 4 - (ureq->length & 0x3);
+
+                       /* Set actual frame number for completed transfers */
+                       ureq->frame_number =
+                               (desc_sts & DEV_DMA_ISOC_FRNUM_MASK) >>
+                               DEV_DMA_ISOC_FRNUM_SHIFT;
                }
 
                dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, 0);