usb: dwc2: gadget: Enable the BNA interrupt
Enable the BNA (Buffer Not Available) interrupt in descriptor DMA mode.
Signed-off-by: Vahram Aharonyan <vahrama@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/gadget.c b/drivers/usb/dwc2/gadget.c
index 6f74a3f..9f28756 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3227,6 +3227,10 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg,
DOEPMSK_SETUPMSK,
hsotg->regs + DOEPMSK);
+ /* Enable BNA interrupt for DDMA */
+ if (using_desc_dma(hsotg))
+ __orr32(hsotg->regs + DOEPMSK, DOEPMSK_BNAMSK);
+
dwc2_writel(0, hsotg->regs + DAINTMSK);
dev_dbg(hsotg->dev, "EP0: DIEPCTL0=0x%08x, DOEPCTL0=0x%08x\n",