Revert "usb/dwc2: Set correct state on gadget disconnect"

This reverts commit c397485.

See: #3885

Signed-off-by: Phil Elwell <[email protected]>

Author: pelwell

drivers/usb/dwc2/core_intr.c

@@ -533,11 +533,14 @@ static void dwc2_handle_usb_suspend_intr(struct dwc2_hsotg *hsotg)
 						__func__);
 			}
 skip_power_saving:
-			/* Raspberry Pi seems to call the suspend interrupt on gadget disconnect, so instead of setting state to suspend set to not attached */
-
-			hsotg->lx_state = DWC2_L3;
+			/*
+			 * Change to L2 (suspend) state before releasing
+			 * spinlock
+			 */
+			hsotg->lx_state = DWC2_L2;
 
-			usb_gadget_set_state(&hsotg->gadget, USB_STATE_NOTATTACHED);
+			/* Call gadget suspend callback */
+			call_gadget(hsotg, suspend);
 		}
 	} else {
 		if (hsotg->op_state == OTG_STATE_A_PERIPHERAL) {