jz4740_glue
struct jz4740_glue *glue = dev_get_drvdata(dev);
struct jz4740_glue *glue = dev_get_drvdata(musb->controller->parent);
struct jz4740_glue *glue;
struct jz4740_glue *glue = platform_get_drvdata(pdev);
struct jz4740_glue *glue = usb_role_switch_get_drvdata(sw);