--- zzzz-none-000/linux-4.4.60/Documentation/ioctl/ioctl-number.txt	2017-04-08 07:53:53.000000000 +0000
+++ hawkeye-5590-729/linux-4.4.60/Documentation/ioctl/ioctl-number.txt	2022-03-30 14:21:51.000000000 +0000
@@ -319,6 +319,7 @@
 					<mailto:vgo@ratio.de>
 0xB1	00-1F	PPPoX			<mailto:mostrows@styx.uwaterloo.ca>
 0xB3	00	linux/mmc/ioctl.h
+0xB4	00-0F	linux/gpio.h		<mailto:linux-gpio@vger.kernel.org>
 0xC0	00-0F	linux/usb/iowarrior.h
 0xCA	00-0F	uapi/misc/cxl.h
 0xCA	80-8F	uapi/scsi/cxlflash_ioctl.h