156 	struct parport *port = _port;  in driver_check()  local
160 		drv->match_port(port);  in driver_check()
165 static void attach_driver_chain(struct parport *port)  in attach_driver_chain()  argument
171 		drv->attach(port);  in attach_driver_chain()
178 	bus_for_each_drv(&parport_bus_type, NULL, port, driver_check);  in attach_driver_chain()
183 	struct parport *port = _port;  in driver_detach()  local
187 		drv->detach(port);  in driver_detach()
192 static void detach_driver_chain(struct parport *port)  in detach_driver_chain()  argument
197 		drv->detach (port);  in detach_driver_chain()
204 	bus_for_each_drv(&parport_bus_type, NULL, port, driver_detach);  in detach_driver_chain()
289 		struct parport *port;  in __parport_register_driver()  local
294 		list_for_each_entry(port, &portlist, list)  in __parport_register_driver()
295 			drv->attach(port);  in __parport_register_driver()
333 	struct parport *port;  in parport_unregister_driver()  local
341 		list_for_each_entry(port, &portlist, list)  in parport_unregister_driver()
342 			drv->detach(port);  in parport_unregister_driver()
350 	struct parport *port = to_parport_dev(dev);  in free_port()  local
353 	list_del(&port->full_list);  in free_port()
356 		kfree(port->probe_info[d].class_name);  in free_port()
357 		kfree(port->probe_info[d].mfr);  in free_port()
358 		kfree(port->probe_info[d].model);  in free_port()
359 		kfree(port->probe_info[d].cmdset);  in free_port()
360 		kfree(port->probe_info[d].description);  in free_port()
363 	kfree(port->name);  in free_port()
364 	kfree(port);  in free_port()
375 struct parport *parport_get_port (struct parport *port)  in parport_get_port()  argument
377 	struct device *dev = get_device(&port->bus_dev);  in parport_get_port()
382 void parport_del_port(struct parport *port)  in parport_del_port()  argument
384 	device_unregister(&port->bus_dev);  in parport_del_port()
397 void parport_put_port (struct parport *port)  in parport_put_port()  argument
399 	put_device(&port->bus_dev);  in parport_put_port()
524 void parport_announce_port (struct parport *port)  in parport_announce_port()  argument
530 	parport_daisy_init(port);  in parport_announce_port()
533 	if (!port->dev)  in parport_announce_port()
536 				port->name);  in parport_announce_port()
538 	parport_proc_register(port);  in parport_announce_port()
541 	list_add_tail(&port->list, &portlist);  in parport_announce_port()
543 		struct parport *slave = port->slaves[i-1];  in parport_announce_port()
550 	attach_driver_chain (port);  in parport_announce_port()
552 		struct parport *slave = port->slaves[i-1];  in parport_announce_port()
578 void parport_remove_port(struct parport *port)  in parport_remove_port()  argument
585 	detach_driver_chain (port);  in parport_remove_port()
589 	parport_daisy_fini(port);  in parport_remove_port()
591 		struct parport *slave = port->slaves[i-1];  in parport_remove_port()
599 	port->ops = &dead_ops;  in parport_remove_port()
601 	list_del_init(&port->list);  in parport_remove_port()
603 		struct parport *slave = port->slaves[i-1];  in parport_remove_port()
611 	parport_proc_unregister(port);  in parport_remove_port()
614 		struct parport *slave = port->slaves[i-1];  in parport_remove_port()
690 parport_register_device(struct parport *port, const char *name,  in parport_register_device()  argument
697 	if (port->physport->flags & PARPORT_FLAG_EXCL) {  in parport_register_device()
700 			port->name);  in parport_register_device()
706 …printk(KERN_INFO "%s: refused to register lurking device (%s) without callbacks\n", port->name, na…  in parport_register_device()
712 		if (port->physport->devices) {  in parport_register_device()
720 			       port->name, name);  in parport_register_device()
730 	if (!try_module_get(port->ops->owner)) {  in parport_register_device()
734 	parport_get_port (port);  in parport_register_device()
738 		printk(KERN_WARNING "%s: memory squeeze, couldn't register %s.\n", port->name, name);  in parport_register_device()
744 		printk(KERN_WARNING "%s: memory squeeze, couldn't register %s.\n", port->name, name);  in parport_register_device()
749 	tmp->port = port;  in parport_register_device()
766 	spin_lock(&port->physport->pardevice_lock);  in parport_register_device()
769 		if (port->physport->devices) {  in parport_register_device()
770 			spin_unlock (&port->physport->pardevice_lock);  in parport_register_device()
773 				"device %s\n", port->name, name);  in parport_register_device()
776 		port->flags |= PARPORT_FLAG_EXCL;  in parport_register_device()
779 	tmp->next = port->physport->devices;  in parport_register_device()
783 	if (port->physport->devices)  in parport_register_device()
784 		port->physport->devices->prev = tmp;  in parport_register_device()
785 	port->physport->devices = tmp;  in parport_register_device()
786 	spin_unlock(&port->physport->pardevice_lock);  in parport_register_device()
796 	port->ops->init_state(tmp, tmp->state);  in parport_register_device()
797 	if (!test_and_set_bit(PARPORT_DEVPROC_REGISTERED, &port->devflags)) {  in parport_register_device()
798 		port->proc_device = tmp;  in parport_register_device()
808 	parport_put_port (port);  in parport_register_device()
809 	module_put(port->ops->owner);  in parport_register_device()
823 parport_register_dev_model(struct parport *port, const char *name,  in parport_register_dev_model()  argument
830 	if (port->physport->flags & PARPORT_FLAG_EXCL) {  in parport_register_dev_model()
832 		pr_err("%s: no more devices allowed\n", port->name);  in parport_register_dev_model()
839 				port->name, name);  in parport_register_dev_model()
845 		if (port->physport->devices) {  in parport_register_dev_model()
853 			       port->name, name);  in parport_register_dev_model()
858 	if (!try_module_get(port->ops->owner))  in parport_register_dev_model()
861 	parport_get_port(port);  in parport_register_dev_model()
876 	par_dev->port = port;  in parport_register_dev_model()
886 	par_dev->dev.parent = &port->bus_dev;  in parport_register_dev_model()
905 	spin_lock(&port->physport->pardevice_lock);  in parport_register_dev_model()
908 		if (port->physport->devices) {  in parport_register_dev_model()
909 			spin_unlock(&port->physport->pardevice_lock);  in parport_register_dev_model()
911 				 port->name, name);  in parport_register_dev_model()
915 		port->flags |= PARPORT_FLAG_EXCL;  in parport_register_dev_model()
918 	par_dev->next = port->physport->devices;  in parport_register_dev_model()
924 	if (port->physport->devices)  in parport_register_dev_model()
925 		port->physport->devices->prev = par_dev;  in parport_register_dev_model()
926 	port->physport->devices = par_dev;  in parport_register_dev_model()
927 	spin_unlock(&port->physport->pardevice_lock);  in parport_register_dev_model()
938 	port->ops->init_state(par_dev, par_dev->state);  in parport_register_dev_model()
939 	port->proc_device = par_dev;  in parport_register_dev_model()
952 	parport_put_port(port);  in parport_register_dev_model()
953 	module_put(port->ops->owner);  in parport_register_dev_model()
968 	struct parport *port;  in parport_unregister_device()  local
977 	port = dev->port->physport;  in parport_unregister_device()
979 	if (port->proc_device == dev) {  in parport_unregister_device()
980 		port->proc_device = NULL;  in parport_unregister_device()
981 		clear_bit(PARPORT_DEVPROC_REGISTERED, &port->devflags);  in parport_unregister_device()
985 	if (port->cad == dev) {  in parport_unregister_device()
987 		       port->name, dev->name);  in parport_unregister_device()
991 	spin_lock(&port->pardevice_lock);  in parport_unregister_device()
997 		port->devices = dev->next;  in parport_unregister_device()
1000 		port->flags &= ~PARPORT_FLAG_EXCL;  in parport_unregister_device()
1002 	spin_unlock(&port->pardevice_lock);  in parport_unregister_device()
1006 	spin_lock_irq(&port->waitlist_lock);  in parport_unregister_device()
1007 	if (dev->waitprev || dev->waitnext || port->waithead == dev) {  in parport_unregister_device()
1011 			port->waithead = dev->waitnext;  in parport_unregister_device()
1015 			port->waittail = dev->waitprev;  in parport_unregister_device()
1017 	spin_unlock_irq(&port->waitlist_lock);  in parport_unregister_device()
1025 	module_put(port->ops->owner);  in parport_unregister_device()
1026 	parport_put_port (port);  in parport_unregister_device()
1043 	struct parport *port, *result = NULL;  in parport_find_number()  local
1049 	list_for_each_entry(port, &portlist, list) {  in parport_find_number()
1050 		if (port->number == number) {  in parport_find_number()
1051 			result = parport_get_port (port);  in parport_find_number()
1073 	struct parport *port, *result = NULL;  in parport_find_base()  local
1079 	list_for_each_entry(port, &portlist, list) {  in parport_find_base()
1080 		if (port->base == base) {  in parport_find_base()
1081 			result = parport_get_port (port);  in parport_find_base()
1104 	struct parport *port = dev->port->physport;  in parport_claim()  local
1107 	if (port->cad == dev) {  in parport_claim()
1109 		       dev->port->name,dev->name);  in parport_claim()
1114 	write_lock_irqsave (&port->cad_lock, flags);  in parport_claim()
1115 	if ((oldcad = port->cad) != NULL) {  in parport_claim()
1119 			port->ops->save_state(port, dev->state);  in parport_claim()
1123 		if (port->cad != oldcad) {  in parport_claim()
1128 			       port->name, oldcad->name);  in parport_claim()
1129 			if (port->cad)  in parport_claim()
1139 		spin_lock_irq (&port->waitlist_lock);  in parport_claim()
1143 			port->waithead = dev->waitnext;  in parport_claim()
1147 			port->waittail = dev->waitprev;  in parport_claim()
1148 		spin_unlock_irq (&port->waitlist_lock);  in parport_claim()
1153 	port->cad = dev;  in parport_claim()
1157 	if (dev->port->muxport >= 0) {  in parport_claim()
1159 		port->muxsel = dev->port->muxport;  in parport_claim()
1165 		if (!parport_daisy_select (port, dev->daisy,  in parport_claim()
1167 			port->daisy = dev->daisy;  in parport_claim()
1172 	port->ops->restore_state(port, dev->state);  in parport_claim()
1173 	write_unlock_irqrestore(&port->cad_lock, flags);  in parport_claim()
1184 		spin_lock (&port->waitlist_lock);  in parport_claim()
1188 			dev->waitprev = port->waittail;  in parport_claim()
1189 			if (port->waittail) {  in parport_claim()
1190 				port->waittail->waitnext = dev;  in parport_claim()
1191 				port->waittail = dev;  in parport_claim()
1193 				port->waithead = port->waittail = dev;  in parport_claim()
1195 		spin_unlock (&port->waitlist_lock);  in parport_claim()
1197 	write_unlock_irqrestore (&port->cad_lock, flags);  in parport_claim()
1252 		if (dev->port->physport->cad != dev)  in parport_claim_or_block()
1255 			       dev->port->physport->cad ?  in parport_claim_or_block()
1256 			       dev->port->physport->cad->name:"nobody");  in parport_claim_or_block()
1274 	struct parport *port = dev->port->physport;  in parport_release()  local
1279 	write_lock_irqsave(&port->cad_lock, flags);  in parport_release()
1280 	if (port->cad != dev) {  in parport_release()
1281 		write_unlock_irqrestore (&port->cad_lock, flags);  in parport_release()
1283 		       "when not owner\n", port->name, dev->name);  in parport_release()
1289 	if (dev->port->muxport >= 0) {  in parport_release()
1291 		port->muxsel = -1;  in parport_release()
1296 		parport_daisy_deselect_all (port);  in parport_release()
1297 		port->daisy = -1;  in parport_release()
1301 	port->cad = NULL;  in parport_release()
1302 	write_unlock_irqrestore(&port->cad_lock, flags);  in parport_release()
1305 	port->ops->save_state(port, dev->state);  in parport_release()
1310 	for (pd = port->waithead; pd; pd = pd->waitnext) {  in parport_release()
1318 			if (dev->port->cad) /* racy but no matter */  in parport_release()
1321 			printk(KERN_ERR "%s: don't know how to wake %s\n", port->name, pd->name);  in parport_release()
1328 	for (pd = port->devices; (port->cad == NULL) && pd; pd = pd->next) {  in parport_release()
1336 	struct parport *port = dev_id;  in parport_irq_handler()  local
1338 	parport_generic_irq(port);  in parport_irq_handler()