On OTG and gadget-only configurations, we need a gadget driver
in order to work properly, so avoid changing operation modes
when there's no gadget driver loaded.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
(devctl & MUSB_DEVCTL_HM) ? "host" : "peripheral",
musb->int_usb, musb->int_tx, musb->int_rx);
+#ifdef CONFIG_USB_GADGET_MUSB_HDRC
+ if (is_otg_enabled(musb) || is_peripheral_enabled(musb))
+ if (!musb->gadget_driver) {
+ DBG(5, "No gadget driver loaded\n");
+ return IRQ_HANDLED;
+ }
+#endif
+
/* the core can interrupt us for multiple reasons; docs have
* a generic interrupt flowchart to follow
*/