diff --git a/patch/kernel/rockchip-default/261_gpiomem_driver.patch b/patch/kernel/rockchip-default/261_gpiomem_driver.patch
index c8327f1bc3..fb79540f5b 100644
--- a/patch/kernel/rockchip-default/261_gpiomem_driver.patch
+++ b/patch/kernel/rockchip-default/261_gpiomem_driver.patch
@@ -55,7 +55,7 @@ new file mode 100644
 index 0000000..984471c
 --- /dev/null
 +++ b/drivers/char/rockchip/rk3288-gpiomem.c
-@@ -0,0 +1,303 @@
+@@ -0,0 +1,307 @@
 +/**
 + * GPIO memory device driver
 + *
@@ -97,6 +97,10 @@ index 0000000..984471c
 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 + */
 +
++/*
++ * Ported to rk3288 from Jörg Wolff, 2017
++ */
++
 +#include <linux/kernel.h>
 +#include <linux/module.h>
 +#include <linux/of.h>
@@ -359,4 +363,3 @@ index 0000000..984471c
 +MODULE_LICENSE("GPL");
 +MODULE_DESCRIPTION("gpiomem driver for accessing GPIO from userspace");
 +MODULE_AUTHOR("Luke Wren <luke@raspberrypi.org>");
-\ No newline at end of file
diff --git a/patch/kernel/rockchip-next/261_gpiomem_driver.patch b/patch/kernel/rockchip-next/261_gpiomem_driver.patch
index a132834ed9..60d12e531e 100644
--- a/patch/kernel/rockchip-next/261_gpiomem_driver.patch
+++ b/patch/kernel/rockchip-next/261_gpiomem_driver.patch
@@ -54,7 +54,7 @@ new file mode 100644
 index 0000000..c289041
 --- /dev/null
 +++ b/drivers/char/rockchip/rk3288-gpiomem.c
-@@ -0,0 +1,303 @@
+@@ -0,0 +1,307 @@
 +/**
 + * GPIO memory device driver
 + *
@@ -96,6 +96,10 @@ index 0000000..c289041
 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 + */
 +
++/*
++ * Ported to rk3288 from Jörg Wolff, 2017
++ */
++
 +#include <linux/kernel.h>
 +#include <linux/module.h>
 +#include <linux/of.h>