diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 072ed610f9c666aaae98594806925d2e410dddf5..60d9374c72c025515afab18fe33180d5acda9e02 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -523,6 +523,7 @@ config GPIO_REG
 config GPIO_ROCKCHIP
 	tristate "Rockchip GPIO support"
 	depends on ARCH_ROCKCHIP || COMPILE_TEST
+	select GENERIC_IRQ_CHIP
 	select GPIOLIB_IRQCHIP
 	default ARCH_ROCKCHIP
 	help
diff --git a/drivers/gpio/gpio-virtio.c b/drivers/gpio/gpio-virtio.c
index aeec4bf0b6250ae0e6a8589a98f9f0014b5b6fef..84f96b78f32af34d9ce45a2172a1953887b9c65c 100644
--- a/drivers/gpio/gpio-virtio.c
+++ b/drivers/gpio/gpio-virtio.c
@@ -434,7 +434,7 @@ static void virtio_gpio_event_vq(struct virtqueue *vq)
 		ret = generic_handle_domain_irq(vgpio->gc.irq.domain, gpio);
 		if (ret)
 			dev_err(dev, "failed to handle interrupt: %d\n", ret);
-	};
+	}
 }
 
 static void virtio_gpio_request_vq(struct virtqueue *vq)
diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile
index 39f2bbe8dd3df67d01d9fcfeadbadfda02f8c3ea..d7b312b44a62a8540bdb5f6c0e105010315de2f9 100644
--- a/tools/testing/selftests/gpio/Makefile
+++ b/tools/testing/selftests/gpio/Makefile
@@ -3,5 +3,6 @@
 TEST_PROGS := gpio-mockup.sh
 TEST_FILES := gpio-mockup-sysfs.sh
 TEST_GEN_PROGS_EXTENDED := gpio-mockup-cdev
+CFLAGS += -O2 -g -Wall -I../../../../usr/include/
 
 include ../lib.mk
diff --git a/tools/testing/selftests/gpio/gpio-mockup-cdev.c b/tools/testing/selftests/gpio/gpio-mockup-cdev.c
index e83eac71621a0e2d7913f056b7a8d35c41912e8e..d1640f44f8ac2a6fda7a5f75605f83fcaa165dc0 100644
--- a/tools/testing/selftests/gpio/gpio-mockup-cdev.c
+++ b/tools/testing/selftests/gpio/gpio-mockup-cdev.c
@@ -117,7 +117,7 @@ int main(int argc, char *argv[])
 {
 	char *chip;
 	int opt, ret, cfd, lfd;
-	unsigned int offset, val, abiv;
+	unsigned int offset, val = 0, abiv;
 	uint32_t flags_v1;
 	uint64_t flags_v2;