405 static struct cardstate *alloc_cs(struct gigaset_driver *drv)  in alloc_cs()  argument
412 	spin_lock_irqsave(&drv->lock, flags);  in alloc_cs()
413 	if (drv->blocked)  in alloc_cs()
415 	for (i = 0; i < drv->minors; ++i) {  in alloc_cs()
416 		cs = drv->cs + i;  in alloc_cs()
424 	spin_unlock_irqrestore(&drv->lock, flags);  in alloc_cs()
436 	struct gigaset_driver *drv = cs->driver;  in make_valid()  local
437 	spin_lock_irqsave(&drv->lock, flags);  in make_valid()
439 	spin_unlock_irqrestore(&drv->lock, flags);  in make_valid()
445 	struct gigaset_driver *drv = cs->driver;  in make_invalid()  local
446 	spin_lock_irqsave(&drv->lock, flags);  in make_invalid()
448 	spin_unlock_irqrestore(&drv->lock, flags);  in make_invalid()
669 struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,  in gigaset_initcs()  argument
678 	cs = alloc_cs(drv);  in gigaset_initcs()
986 	struct gigaset_driver *drv;  in gigaset_get_cs_by_id()  local
990 	list_for_each_entry(drv, &drivers, list) {  in gigaset_get_cs_by_id()
991 		spin_lock(&drv->lock);  in gigaset_get_cs_by_id()
992 		for (i = 0; i < drv->minors; ++i) {  in gigaset_get_cs_by_id()
993 			cs = drv->cs + i;  in gigaset_get_cs_by_id()
999 		spin_unlock(&drv->lock);  in gigaset_get_cs_by_id()
1011 	struct gigaset_driver *drv;  in gigaset_get_cs_by_minor()  local
1015 	list_for_each_entry(drv, &drivers, list) {  in gigaset_get_cs_by_minor()
1016 		if (minor < drv->minor || minor >= drv->minor + drv->minors)  in gigaset_get_cs_by_minor()
1018 		index = minor - drv->minor;  in gigaset_get_cs_by_minor()
1019 		spin_lock(&drv->lock);  in gigaset_get_cs_by_minor()
1020 		if (drv->cs[index].flags & VALID_MINOR)  in gigaset_get_cs_by_minor()
1021 			ret = drv->cs + index;  in gigaset_get_cs_by_minor()
1022 		spin_unlock(&drv->lock);  in gigaset_get_cs_by_minor()
1043 void gigaset_freedriver(struct gigaset_driver *drv)  in gigaset_freedriver()  argument
1048 	list_del(&drv->list);  in gigaset_freedriver()
1051 	gigaset_if_freedriver(drv);  in gigaset_freedriver()
1053 	kfree(drv->cs);  in gigaset_freedriver()
1054 	kfree(drv);  in gigaset_freedriver()
1076 	struct gigaset_driver *drv;  in gigaset_initdriver()  local
1080 	drv = kmalloc(sizeof *drv, GFP_KERNEL);  in gigaset_initdriver()
1081 	if (!drv)  in gigaset_initdriver()
1084 	drv->have_tty = 0;  in gigaset_initdriver()
1085 	drv->minor = minor;  in gigaset_initdriver()
1086 	drv->minors = minors;  in gigaset_initdriver()
1087 	spin_lock_init(&drv->lock);  in gigaset_initdriver()
1088 	drv->blocked = 0;  in gigaset_initdriver()
1089 	drv->ops = ops;  in gigaset_initdriver()
1090 	drv->owner = owner;  in gigaset_initdriver()
1091 	INIT_LIST_HEAD(&drv->list);  in gigaset_initdriver()
1093 	drv->cs = kmalloc(minors * sizeof *drv->cs, GFP_KERNEL);  in gigaset_initdriver()
1094 	if (!drv->cs)  in gigaset_initdriver()
1098 		drv->cs[i].flags = 0;  in gigaset_initdriver()
1099 		drv->cs[i].driver = drv;  in gigaset_initdriver()
1100 		drv->cs[i].ops = drv->ops;  in gigaset_initdriver()
1101 		drv->cs[i].minor_index = i;  in gigaset_initdriver()
1102 		mutex_init(&drv->cs[i].mutex);  in gigaset_initdriver()
1105 	gigaset_if_initdriver(drv, procname, devname);  in gigaset_initdriver()
1108 	list_add(&drv->list, &drivers);  in gigaset_initdriver()
1111 	return drv;  in gigaset_initdriver()
1114 	kfree(drv);  in gigaset_initdriver()
1126 void gigaset_blockdriver(struct gigaset_driver *drv)  in gigaset_blockdriver()  argument
1128 	drv->blocked = 1;  in gigaset_blockdriver()