From: Sevak Arakelyan <sevaka@xxxxxxxxxxxx>
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@xxxxxxxxxxxx>
Signed-off-by: John Youn <johnyoun@xxxxxxxxxxxx>
---
drivers/usb/dwc2/hcd_queue.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
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 @@ void dwc2_hcd_qh_unlink(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
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);
--
2.7.4
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