67 				 struct gpio_device *gdev, poll_fn func)  in call_poll_locked()  argument
71 	down_read(&gdev->sem);  in call_poll_locked()
73 	up_read(&gdev->sem);  in call_poll_locked()
79 			      unsigned long arg, struct gpio_device *gdev,  in call_ioctl_locked()  argument
84 	down_read(&gdev->sem);  in call_ioctl_locked()
86 	up_read(&gdev->sem);  in call_ioctl_locked()
93 				struct gpio_device *gdev, read_fn func)  in call_read_locked()  argument
97 	down_read(&gdev->sem);  in call_read_locked()
99 	up_read(&gdev->sem);  in call_read_locked()
117 	struct gpio_device *gdev;  member
248 	if (!lh->gdev->chip)  in linehandle_ioctl_unlocked()
302 	return call_ioctl_locked(file, cmd, arg, lh->gdev,  in linehandle_ioctl()
322 	gpio_device_put(lh->gdev);  in linehandle_free()
342 static int linehandle_create(struct gpio_device *gdev, void __user *ip)  in linehandle_create()  argument
364 	lh->gdev = gpio_device_get(gdev);  in linehandle_create()
382 		struct gpio_desc *desc = gpiochip_get_desc(gdev->chip, offset);  in linehandle_create()
417 		dev_dbg(&gdev->dev, "registered chardev handle for line %d\n",  in linehandle_create()
449 	dev_dbg(&gdev->dev, "registered chardev handle for %d lines\n",  in linehandle_create()
566 	struct gpio_device *gdev;  member
1452 	if (!lr->gdev->chip)  in linereq_ioctl_unlocked()
1472 	return call_ioctl_locked(file, cmd, arg, lr->gdev,  in linereq_ioctl()
1490 	if (!lr->gdev->chip)  in linereq_poll_unlocked()
1507 	return call_poll_locked(file, wait, lr->gdev, linereq_poll_unlocked);  in linereq_poll()
1518 	if (!lr->gdev->chip)  in linereq_read_unlocked()
1570 	return call_read_locked(file, buf, count, f_ps, lr->gdev,  in linereq_read()
1579 		blocking_notifier_chain_unregister(&lr->gdev->device_notifier,  in linereq_free()
1590 	gpio_device_put(lr->gdev);  in linereq_free()
1606 	struct device *dev = &lr->gdev->dev;  in linereq_show_fdinfo()
1632 static int linereq_create(struct gpio_device *gdev, void __user *ip)  in linereq_create()  argument
1660 	lr->gdev = gpio_device_get(gdev);  in linereq_create()
1692 		struct gpio_desc *desc = gpiochip_get_desc(gdev->chip, offset);  in linereq_create()
1737 		dev_dbg(&gdev->dev, "registered chardev handle for line %d\n",  in linereq_create()
1742 	ret = blocking_notifier_chain_register(&gdev->device_notifier,  in linereq_create()
1773 	dev_dbg(&gdev->dev, "registered chardev handle for %d lines\n",  in linereq_create()
1806 	struct gpio_device *gdev;  member
1827 	if (!le->gdev->chip)  in lineevent_poll_unlocked()
1843 	return call_poll_locked(file, wait, le->gdev, lineevent_poll_unlocked);  in lineevent_poll()
1871 	if (!le->gdev->chip)  in lineevent_read_unlocked()
1936 	return call_read_locked(file, buf, count, f_ps, le->gdev,  in lineevent_read()
1943 		blocking_notifier_chain_unregister(&le->gdev->device_notifier,  in lineevent_free()
1950 	gpio_device_put(le->gdev);  in lineevent_free()
1967 	if (!le->gdev->chip)  in lineevent_ioctl_unlocked()
1997 	return call_ioctl_locked(file, cmd, arg, le->gdev,  in lineevent_ioctl()
2082 static int lineevent_create(struct gpio_device *gdev, void __user *ip)  in lineevent_create()  argument
2102 	desc = gpiochip_get_desc(gdev->chip, offset);  in lineevent_create()
2128 	le->gdev = gpio_device_get(gdev);  in lineevent_create()
2173 	ret = blocking_notifier_chain_register(&gdev->device_notifier,  in lineevent_create()
2274 	struct gpio_chip *gc = desc->gdev->chip;  in gpio_desc_to_lineinfo()
2357 	struct gpio_device *gdev;  member
2370 	struct gpio_device *gdev = cdev->gdev;  in chipinfo_get()  local
2375 	strscpy(chipinfo.name, dev_name(&gdev->dev), sizeof(chipinfo.name));  in chipinfo_get()
2376 	strscpy(chipinfo.label, gdev->label, sizeof(chipinfo.label));  in chipinfo_get()
2377 	chipinfo.lines = gdev->ngpio;  in chipinfo_get()
2409 	desc = gpiochip_get_desc(cdev->gdev->chip, lineinfo.line_offset);  in lineinfo_get_v1()
2446 	desc = gpiochip_get_desc(cdev->gdev->chip, lineinfo.offset);  in lineinfo_get()
2476 	if (offset >= cdev->gdev->ngpio)  in lineinfo_unwatch()
2491 	struct gpio_device *gdev = cdev->gdev;  in gpio_ioctl()  local
2495 	if (!gdev->chip)  in gpio_ioctl()
2504 		return linehandle_create(gdev, ip);  in gpio_ioctl()
2506 		return lineevent_create(gdev, ip);  in gpio_ioctl()
2517 		return linereq_create(gdev, ip);  in gpio_ioctl()
2577 	if (!cdev->gdev->chip)  in lineinfo_watch_poll_unlocked()
2594 	return call_poll_locked(file, pollt, cdev->gdev,  in lineinfo_watch_poll()
2607 	if (!cdev->gdev->chip)  in lineinfo_watch_read_unlocked()
2682 	return call_read_locked(file, buf, count, off, cdev->gdev,  in lineinfo_watch_read()
2694 	struct gpio_device *gdev = container_of(inode->i_cdev,  in gpio_chrdev_open()  local
2699 	down_read(&gdev->sem);  in gpio_chrdev_open()
2702 	if (!gdev->chip) {  in gpio_chrdev_open()
2711 	cdev->watched_lines = bitmap_zalloc(gdev->chip->ngpio, GFP_KERNEL);  in gpio_chrdev_open()
2717 	cdev->gdev = gpio_device_get(gdev);  in gpio_chrdev_open()
2720 	ret = blocking_notifier_chain_register(&gdev->line_state_notifier,  in gpio_chrdev_open()
2727 	ret = blocking_notifier_chain_register(&gdev->device_notifier,  in gpio_chrdev_open()
2738 	up_read(&gdev->sem);  in gpio_chrdev_open()
2743 	blocking_notifier_chain_unregister(&gdev->device_notifier,  in gpio_chrdev_open()
2746 	blocking_notifier_chain_unregister(&gdev->line_state_notifier,  in gpio_chrdev_open()
2749 	gpio_device_put(gdev);  in gpio_chrdev_open()
2754 	up_read(&gdev->sem);  in gpio_chrdev_open()
2767 	struct gpio_device *gdev = cdev->gdev;  in gpio_chrdev_release()  local
2770 	blocking_notifier_chain_unregister(&gdev->device_notifier,  in gpio_chrdev_release()
2772 	blocking_notifier_chain_unregister(&gdev->line_state_notifier,  in gpio_chrdev_release()
2774 	gpio_device_put(gdev);  in gpio_chrdev_release()
2793 int gpiolib_cdev_register(struct gpio_device *gdev, dev_t devt)  in gpiolib_cdev_register()  argument
2797 	cdev_init(&gdev->chrdev, &gpio_fileops);  in gpiolib_cdev_register()
2798 	gdev->chrdev.owner = THIS_MODULE;  in gpiolib_cdev_register()
2799 	gdev->dev.devt = MKDEV(MAJOR(devt), gdev->id);  in gpiolib_cdev_register()
2801 	ret = cdev_device_add(&gdev->chrdev, &gdev->dev);  in gpiolib_cdev_register()
2805 	chip_dbg(gdev->chip, "added GPIO chardev (%d:%d)\n",  in gpiolib_cdev_register()
2806 		 MAJOR(devt), gdev->id);  in gpiolib_cdev_register()
2811 void gpiolib_cdev_unregister(struct gpio_device *gdev)  in gpiolib_cdev_unregister()  argument
2813 	cdev_device_del(&gdev->chrdev, &gdev->dev);  in gpiolib_cdev_unregister()
2814 	blocking_notifier_call_chain(&gdev->device_notifier, 0, NULL);  in gpiolib_cdev_unregister()