557 			      struct gpio_v2_line_event *le)  in linereq_put_event()  argument
566 	kfifo_in(&lr->events, le, 1);  in linereq_put_event()
597 	struct gpio_v2_line_event le;  in process_hw_ts_thread()  local
607 	memset(&le, 0, sizeof(le));  in process_hw_ts_thread()
609 	le.timestamp_ns = line->timestamp_ns;  in process_hw_ts_thread()
621 		le.id = line_event_id(level);  in process_hw_ts_thread()
624 		le.id = GPIO_V2_LINE_EVENT_RISING_EDGE;  in process_hw_ts_thread()
627 		le.id = GPIO_V2_LINE_EVENT_FALLING_EDGE;  in process_hw_ts_thread()
632 	le.line_seqno = line->line_seqno;  in process_hw_ts_thread()
633 	le.seqno = (lr->num_lines == 1) ? le.line_seqno : line->req_seqno;  in process_hw_ts_thread()
634 	le.offset = gpio_chip_hwgpio(line->desc);  in process_hw_ts_thread()
636 	linereq_put_event(lr, &le);  in process_hw_ts_thread()
716 	struct gpio_v2_line_event le;  in edge_irq_thread()  local
719 	memset(&le, 0, sizeof(le));  in edge_irq_thread()
722 		le.timestamp_ns = line->timestamp_ns;  in edge_irq_thread()
729 		le.timestamp_ns = line_event_timestamp(line);  in edge_irq_thread()
737 		le.id = line_event_id(gpiod_get_value_cansleep(line->desc));  in edge_irq_thread()
740 		le.id = GPIO_V2_LINE_EVENT_RISING_EDGE;  in edge_irq_thread()
743 		le.id = GPIO_V2_LINE_EVENT_FALLING_EDGE;  in edge_irq_thread()
749 	le.line_seqno = line->line_seqno;  in edge_irq_thread()
750 	le.seqno = (lr->num_lines == 1) ? le.line_seqno : line->req_seqno;  in edge_irq_thread()
751 	le.offset = gpio_chip_hwgpio(line->desc);  in edge_irq_thread()
753 	linereq_put_event(lr, &le);  in edge_irq_thread()
807 	struct gpio_v2_line_event le;  in debounce_work_func()  local
845 	memset(&le, 0, sizeof(le));  in debounce_work_func()
848 	le.timestamp_ns = line_event_timestamp(line);  in debounce_work_func()
849 	le.offset = gpio_chip_hwgpio(line->desc);  in debounce_work_func()
857 		le.line_seqno = line->line_seqno;  in debounce_work_func()
858 		le.seqno = (lr->num_lines == 1) ?  in debounce_work_func()
859 			le.line_seqno : atomic_add_return(diff_seqno, &lr->seqno);  in debounce_work_func()
864 		le.line_seqno = line->line_seqno;  in debounce_work_func()
865 		le.seqno = (lr->num_lines == 1) ?  in debounce_work_func()
866 			le.line_seqno : atomic_inc_return(&lr->seqno);  in debounce_work_func()
869 	le.id = line_event_id(level);  in debounce_work_func()
871 	linereq_put_event(lr, &le);  in debounce_work_func()
1428 	struct gpio_v2_line_event le;  in linereq_read()  local
1432 	if (count < sizeof(le))  in linereq_read()
1456 		ret = kfifo_out(&lr->events, &le, 1);  in linereq_read()
1468 		if (copy_to_user(buf + bytes_read, &le, sizeof(le)))  in linereq_read()
1470 		bytes_read += sizeof(le);  in linereq_read()
1471 	} while (count >= bytes_read + sizeof(le));  in linereq_read()
1716 	struct lineevent_state *le = file->private_data;  in lineevent_poll()  local
1719 	poll_wait(file, &le->wait, wait);  in lineevent_poll()
1721 	if (!kfifo_is_empty_spinlocked_noirqsave(&le->events, &le->wait.lock))  in lineevent_poll()
1737 	struct lineevent_state *le = file->private_data;  in lineevent_read()  local
1760 		spin_lock(&le->wait.lock);  in lineevent_read()
1761 		if (kfifo_is_empty(&le->events)) {  in lineevent_read()
1763 				spin_unlock(&le->wait.lock);  in lineevent_read()
1768 				spin_unlock(&le->wait.lock);  in lineevent_read()
1772 			ret = wait_event_interruptible_locked(le->wait,  in lineevent_read()
1773 					!kfifo_is_empty(&le->events));  in lineevent_read()
1775 				spin_unlock(&le->wait.lock);  in lineevent_read()
1780 		ret = kfifo_out(&le->events, &ge, 1);  in lineevent_read()
1781 		spin_unlock(&le->wait.lock);  in lineevent_read()
1800 static void lineevent_free(struct lineevent_state *le)  in lineevent_free()  argument
1802 	if (le->irq)  in lineevent_free()
1803 		free_irq(le->irq, le);  in lineevent_free()
1804 	if (le->desc)  in lineevent_free()
1805 		gpiod_free(le->desc);  in lineevent_free()
1806 	kfree(le->label);  in lineevent_free()
1807 	put_device(&le->gdev->dev);  in lineevent_free()
1808 	kfree(le);  in lineevent_free()
1820 	struct lineevent_state *le = file->private_data;  in lineevent_ioctl()  local
1833 		val = gpiod_get_value_cansleep(le->desc);  in lineevent_ioctl()
1868 	struct lineevent_state *le = p;  in lineevent_irq_thread()  local
1879 	if (!le->timestamp)  in lineevent_irq_thread()
1882 		ge.timestamp = le->timestamp;  in lineevent_irq_thread()
1884 	if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE  in lineevent_irq_thread()
1885 	    && le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) {  in lineevent_irq_thread()
1886 		int level = gpiod_get_value_cansleep(le->desc);  in lineevent_irq_thread()
1894 	} else if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE) {  in lineevent_irq_thread()
1897 	} else if (le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) {  in lineevent_irq_thread()
1904 	ret = kfifo_in_spinlocked_noirqsave(&le->events, &ge,  in lineevent_irq_thread()
1905 					    1, &le->wait.lock);  in lineevent_irq_thread()
1907 		wake_up_poll(&le->wait, EPOLLIN);  in lineevent_irq_thread()
1916 	struct lineevent_state *le = p;  in lineevent_irq_handler()  local
1922 	le->timestamp = ktime_get_ns();  in lineevent_irq_handler()
1930 	struct lineevent_state *le;  in lineevent_create()  local
1970 	le = kzalloc(sizeof(*le), GFP_KERNEL);  in lineevent_create()
1971 	if (!le)  in lineevent_create()
1973 	le->gdev = gdev;  in lineevent_create()
1978 		le->label = kstrndup(eventreq.consumer_label,  in lineevent_create()
1981 		if (!le->label) {  in lineevent_create()
1987 	ret = gpiod_request_user(desc, le->label);  in lineevent_create()
1990 	le->desc = desc;  in lineevent_create()
1991 	le->eflags = eflags;  in lineevent_create()
2016 	INIT_KFIFO(le->events);  in lineevent_create()
2017 	init_waitqueue_head(&le->wait);  in lineevent_create()
2024 				   le->label,  in lineevent_create()
2025 				   le);  in lineevent_create()
2029 	le->irq = irq;  in lineevent_create()
2039 				  le,  in lineevent_create()
2064 	lineevent_free(le);  in lineevent_create()