984 gpioc_kqfilter(struct cdev *dev, struct knote *kn)  in gpioc_kqfilter()  argument
997 	switch(kn->kn_filter) {  in gpioc_kqfilter()
999 		kn->kn_fop = &gpioc_read_filterops;  in gpioc_kqfilter()
1000 		kn->kn_hook = (void *)priv;  in gpioc_kqfilter()
1007 	knlist_add(knlist, kn, 0);  in gpioc_kqfilter()
1013 gpioc_kqread(struct knote *kn, long hint)  in gpioc_kqread()  argument
1015 	struct gpioc_cdevpriv *priv = kn->kn_hook;  in gpioc_kqread()
1020 		kn->kn_flags |= EV_EOF;  in gpioc_kqread()
1028 			kn->kn_data = recsize * number_of_events(priv);  in gpioc_kqread()
1036 gpioc_kqdetach(struct knote *kn)  in gpioc_kqdetach()  argument
1038 	struct gpioc_cdevpriv *priv = kn->kn_hook;  in gpioc_kqdetach()
1041 	knlist_remove(knlist, kn, 0);  in gpioc_kqdetach()