usb: dwc2: Fixed SOF interrupt enabling/disabling

In case of DDMA mode we don't need to get an SOF interrupt so disable
the unmasking of SOF interrupt in DDMA mode.

Signed-off-by: Sevak Arakelyan <sevaka@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c
index 7f634fd..b5c7793 100644
--- a/drivers/usb/dwc2/hcd_queue.c
+++ b/drivers/usb/dwc2/hcd_queue.c
@@ -1709,7 +1709,8 @@
 
 	dwc2_deschedule_periodic(hsotg, qh);
 	hsotg->periodic_qh_count--;
-	if (!hsotg->periodic_qh_count) {
+	if (!hsotg->periodic_qh_count &&
+	    hsotg->core_params->dma_desc_enable <= 0) {
 		intr_mask = dwc2_readl(hsotg->regs + GINTMSK);
 		intr_mask &= ~GINTSTS_SOF;
 		dwc2_writel(intr_mask, hsotg->regs + GINTMSK);