118 	sc->sc_methods = ia->ia_methods;  in irframe_attach()
122 	if (sc->sc_methods->im_read == NULL ||  in irframe_attach()
123 	    sc->sc_methods->im_write == NULL ||  in irframe_attach()
124 	    sc->sc_methods->im_poll == NULL ||  in irframe_attach()
125 	    sc->sc_methods->im_kqfilter == NULL ||  in irframe_attach()
126 	    sc->sc_methods->im_set_params == NULL ||  in irframe_attach()
127 	    sc->sc_methods->im_get_speeds == NULL ||  in irframe_attach()
128 	    sc->sc_methods->im_get_turnarounds == NULL)  in irframe_attach()
132 	(void)sc->sc_methods->im_get_speeds(sc->sc_handle, &speeds);  in irframe_attach()
190 	if (sc->sc_methods->im_open != NULL) {  in irframeopen()
191 		error = sc->sc_methods->im_open(sc->sc_handle, flag, mode, l);  in irframeopen()
213 	if (sc->sc_methods->im_close != NULL)  in irframeclose()
214 		error = sc->sc_methods->im_close(sc->sc_handle, flag, mode, l);  in irframeclose()
237 	return (sc->sc_methods->im_read(sc->sc_handle, uio, flag));  in irframeread()
257 	return (sc->sc_methods->im_write(sc->sc_handle, uio, flag));  in irframewrite()
301 	error = sc->sc_methods->im_set_params(sc->sc_handle, p);  in irf_set_params()
360 		error = sc->sc_methods->im_get_speeds(sc->sc_handle, vaddr);  in irframeioctl()
364 		error = sc->sc_methods->im_get_turnarounds(sc->sc_handle,vaddr);  in irframeioctl()
385 	return (sc->sc_methods->im_poll(sc->sc_handle, events, l));  in irframepoll()
397 	return (sc->sc_methods->im_kqfilter(sc->sc_handle, kn));  in irframekqfilter()