usb: gadget: pch_udc: Add debug message

ISSUE:
Adding debugging messages.

CAUSE:
The debugging messages are added to make sure of that major interrupt events
are occurring.

Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index 4da98141e058..82416aae816f 100644
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -2511,11 +2511,15 @@ static void pch_udc_svc_cfg_interrupt(struct pch_udc_dev *dev)
 static void pch_udc_dev_isr(struct pch_udc_dev *dev, u32 dev_intr)
 {
         /* USB Reset Interrupt */
-        if (dev_intr & UDC_DEVINT_UR)
+        if (dev_intr & UDC_DEVINT_UR) {
                 pch_udc_svc_ur_interrupt(dev);
+                dev_dbg(&dev->pdev->dev, "USB_RESET\n");
+        }
         /* Enumeration Done Interrupt */
-        if (dev_intr & UDC_DEVINT_ENUM)
+        if (dev_intr & UDC_DEVINT_ENUM) {
                 pch_udc_svc_enum_interrupt(dev);
+                dev_dbg(&dev->pdev->dev, "USB_ENUM\n");
+        }
         /* Set Interface Interrupt */
         if (dev_intr & UDC_DEVINT_SI)
                 pch_udc_svc_intf_interrupt(dev);