624 			      struct gpio_v2_line_event *le)  in linereq_put_event()  argument
633 	kfifo_in(&lr->events, le, 1);  in linereq_put_event()
664 	struct gpio_v2_line_event le;  in process_hw_ts_thread()  local
674 	memset(&le, 0, sizeof(le));  in process_hw_ts_thread()
676 	le.timestamp_ns = line->timestamp_ns;  in process_hw_ts_thread()
688 		le.id = line_event_id(level);  in process_hw_ts_thread()
691 		le.id = GPIO_V2_LINE_EVENT_RISING_EDGE;  in process_hw_ts_thread()
694 		le.id = GPIO_V2_LINE_EVENT_FALLING_EDGE;  in process_hw_ts_thread()
699 	le.line_seqno = line->line_seqno;  in process_hw_ts_thread()
700 	le.seqno = (lr->num_lines == 1) ? le.line_seqno : line->req_seqno;  in process_hw_ts_thread()
701 	le.offset = gpio_chip_hwgpio(line->desc);  in process_hw_ts_thread()
703 	linereq_put_event(lr, &le);  in process_hw_ts_thread()
783 	struct gpio_v2_line_event le;  in edge_irq_thread()  local
786 	memset(&le, 0, sizeof(le));  in edge_irq_thread()
789 		le.timestamp_ns = line->timestamp_ns;  in edge_irq_thread()
796 		le.timestamp_ns = line_event_timestamp(line);  in edge_irq_thread()
804 		le.id = line_event_id(gpiod_get_value_cansleep(line->desc));  in edge_irq_thread()
807 		le.id = GPIO_V2_LINE_EVENT_RISING_EDGE;  in edge_irq_thread()
810 		le.id = GPIO_V2_LINE_EVENT_FALLING_EDGE;  in edge_irq_thread()
816 	le.line_seqno = line->line_seqno;  in edge_irq_thread()
817 	le.seqno = (lr->num_lines == 1) ? le.line_seqno : line->req_seqno;  in edge_irq_thread()
818 	le.offset = gpio_chip_hwgpio(line->desc);  in edge_irq_thread()
820 	linereq_put_event(lr, &le);  in edge_irq_thread()
874 	struct gpio_v2_line_event le;  in debounce_work_func()  local
912 	memset(&le, 0, sizeof(le));  in debounce_work_func()
915 	le.timestamp_ns = line_event_timestamp(line);  in debounce_work_func()
916 	le.offset = gpio_chip_hwgpio(line->desc);  in debounce_work_func()
924 		le.line_seqno = line->line_seqno;  in debounce_work_func()
925 		le.seqno = (lr->num_lines == 1) ?  in debounce_work_func()
926 			le.line_seqno : atomic_add_return(diff_seqno, &lr->seqno);  in debounce_work_func()
931 		le.line_seqno = line->line_seqno;  in debounce_work_func()
932 		le.seqno = (lr->num_lines == 1) ?  in debounce_work_func()
933 			le.line_seqno : atomic_inc_return(&lr->seqno);  in debounce_work_func()
936 	le.id = line_event_id(level);  in debounce_work_func()
938 	linereq_put_event(lr, &le);  in debounce_work_func()
1514 	struct gpio_v2_line_event le;  in linereq_read_unlocked()  local
1521 	if (count < sizeof(le))  in linereq_read_unlocked()
1545 		ret = kfifo_out(&lr->events, &le, 1);  in linereq_read_unlocked()
1557 		if (copy_to_user(buf + bytes_read, &le, sizeof(le)))  in linereq_read_unlocked()
1559 		bytes_read += sizeof(le);  in linereq_read_unlocked()
1560 	} while (count >= bytes_read + sizeof(le));  in linereq_read_unlocked()
1824 	struct lineevent_state *le = file->private_data;  in lineevent_poll_unlocked()  local
1827 	if (!le->gdev->chip)  in lineevent_poll_unlocked()
1830 	poll_wait(file, &le->wait, wait);  in lineevent_poll_unlocked()
1832 	if (!kfifo_is_empty_spinlocked_noirqsave(&le->events, &le->wait.lock))  in lineevent_poll_unlocked()
1841 	struct lineevent_state *le = file->private_data;  in lineevent_poll()  local
1843 	return call_poll_locked(file, wait, le->gdev, lineevent_poll_unlocked);  in lineevent_poll()
1849 	struct lineevent_state *le = container_of(nb, struct lineevent_state,  in lineevent_unregistered_notify()  local
1852 	wake_up_poll(&le->wait, EPOLLIN | EPOLLERR);  in lineevent_unregistered_notify()
1865 	struct lineevent_state *le = file->private_data;  in lineevent_read_unlocked()  local
1871 	if (!le->gdev->chip)  in lineevent_read_unlocked()
1891 		spin_lock(&le->wait.lock);  in lineevent_read_unlocked()
1892 		if (kfifo_is_empty(&le->events)) {  in lineevent_read_unlocked()
1894 				spin_unlock(&le->wait.lock);  in lineevent_read_unlocked()
1899 				spin_unlock(&le->wait.lock);  in lineevent_read_unlocked()
1903 			ret = wait_event_interruptible_locked(le->wait,  in lineevent_read_unlocked()
1904 					!kfifo_is_empty(&le->events));  in lineevent_read_unlocked()
1906 				spin_unlock(&le->wait.lock);  in lineevent_read_unlocked()
1911 		ret = kfifo_out(&le->events, &ge, 1);  in lineevent_read_unlocked()
1912 		spin_unlock(&le->wait.lock);  in lineevent_read_unlocked()
1934 	struct lineevent_state *le = file->private_data;  in lineevent_read()  local
1936 	return call_read_locked(file, buf, count, f_ps, le->gdev,  in lineevent_read()
1940 static void lineevent_free(struct lineevent_state *le)  in lineevent_free()  argument
1942 	if (le->device_unregistered_nb.notifier_call)  in lineevent_free()
1943 		blocking_notifier_chain_unregister(&le->gdev->device_notifier,  in lineevent_free()
1944 						   &le->device_unregistered_nb);  in lineevent_free()
1945 	if (le->irq)  in lineevent_free()
1946 		free_irq(le->irq, le);  in lineevent_free()
1947 	if (le->desc)  in lineevent_free()
1948 		gpiod_free(le->desc);  in lineevent_free()
1949 	kfree(le->label);  in lineevent_free()
1950 	gpio_device_put(le->gdev);  in lineevent_free()
1951 	kfree(le);  in lineevent_free()
1963 	struct lineevent_state *le = file->private_data;  in lineevent_ioctl_unlocked()  local
1967 	if (!le->gdev->chip)  in lineevent_ioctl_unlocked()
1979 		val = gpiod_get_value_cansleep(le->desc);  in lineevent_ioctl_unlocked()
1995 	struct lineevent_state *le = file->private_data;  in lineevent_ioctl()  local
1997 	return call_ioctl_locked(file, cmd, arg, le->gdev,  in lineevent_ioctl()
2023 	struct lineevent_state *le = p;  in lineevent_irq_thread()  local
2034 	if (!le->timestamp)  in lineevent_irq_thread()
2037 		ge.timestamp = le->timestamp;  in lineevent_irq_thread()
2039 	if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE  in lineevent_irq_thread()
2040 	    && le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) {  in lineevent_irq_thread()
2041 		int level = gpiod_get_value_cansleep(le->desc);  in lineevent_irq_thread()
2049 	} else if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE) {  in lineevent_irq_thread()
2052 	} else if (le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) {  in lineevent_irq_thread()
2059 	ret = kfifo_in_spinlocked_noirqsave(&le->events, &ge,  in lineevent_irq_thread()
2060 					    1, &le->wait.lock);  in lineevent_irq_thread()
2062 		wake_up_poll(&le->wait, EPOLLIN);  in lineevent_irq_thread()
2071 	struct lineevent_state *le = p;  in lineevent_irq_handler()  local
2077 	le->timestamp = ktime_get_ns();  in lineevent_irq_handler()
2085 	struct lineevent_state *le;  in lineevent_create()  local
2125 	le = kzalloc(sizeof(*le), GFP_KERNEL);  in lineevent_create()
2126 	if (!le)  in lineevent_create()
2128 	le->gdev = gpio_device_get(gdev);  in lineevent_create()
2132 		le->label = kstrndup(eventreq.consumer_label,  in lineevent_create()
2135 		if (!le->label) {  in lineevent_create()
2141 	ret = gpiod_request_user(desc, le->label);  in lineevent_create()
2144 	le->desc = desc;  in lineevent_create()
2145 	le->eflags = eflags;  in lineevent_create()
2169 	INIT_KFIFO(le->events);  in lineevent_create()
2170 	init_waitqueue_head(&le->wait);  in lineevent_create()
2172 	le->device_unregistered_nb.notifier_call = lineevent_unregistered_notify;  in lineevent_create()
2174 					       &le->device_unregistered_nb);  in lineevent_create()
2183 				   le->label,  in lineevent_create()
2184 				   le);  in lineevent_create()
2188 	le->irq = irq;  in lineevent_create()
2198 				  le,  in lineevent_create()
2223 	lineevent_free(le);  in lineevent_create()