diff --git a/drivers/media/platform/rockchip/isp/bridge.c b/drivers/media/platform/rockchip/isp/bridge.c
index 52dbb2464f03..2ee023fdeab7 100644
--- a/drivers/media/platform/rockchip/isp/bridge.c
+++ b/drivers/media/platform/rockchip/isp/bridge.c
@@ -796,3 +796,4 @@ void rkisp_get_bridge_sd(struct platform_device *dev,
 	else
 		*sd = NULL;
 }
+EXPORT_SYMBOL(rkisp_get_bridge_sd);
diff --git a/drivers/media/platform/rockchip/isp/dev.c b/drivers/media/platform/rockchip/isp/dev.c
index 1f04456d2fae..50b7ab2050b4 100644
--- a/drivers/media/platform/rockchip/isp/dev.c
+++ b/drivers/media/platform/rockchip/isp/dev.c
@@ -81,6 +81,30 @@ MODULE_PARM_DESC(version, "version number");
 static DEFINE_MUTEX(rkisp_dev_mutex);
 static LIST_HEAD(rkisp_device_list);
 
+static int __maybe_unused __rkisp_clr_unready_dev(void)
+{
+	struct rkisp_device *isp_dev;
+
+	mutex_lock(&rkisp_dev_mutex);
+	list_for_each_entry(isp_dev, &rkisp_device_list, list)
+		v4l2_async_notifier_clr_unready_dev(&isp_dev->notifier);
+	mutex_unlock(&rkisp_dev_mutex);
+
+	return 0;
+}
+
+static int rkisp_clr_unready_dev_param_set(const char *val, const struct kernel_param *kp)
+{
+#ifdef MODULE
+	__rkisp_clr_unready_dev();
+#endif
+
+	return 0;
+}
+
+module_param_call(clr_unready_dev, rkisp_clr_unready_dev_param_set, NULL, NULL, 0200);
+MODULE_PARM_DESC(clr_unready_dev, "clear unready devices");
+
 /**************************** pipeline operations *****************************/
 
 static int __isp_pipeline_prepare(struct rkisp_pipeline *p,
@@ -1171,18 +1195,15 @@ static int __maybe_unused rkisp_runtime_resume(struct device *dev)
 	return 0;
 }
 
+#ifndef MODULE
 static int __init rkisp_clr_unready_dev(void)
 {
-	struct rkisp_device *isp_dev;
-
-	mutex_lock(&rkisp_dev_mutex);
-	list_for_each_entry(isp_dev, &rkisp_device_list, list)
-		v4l2_async_notifier_clr_unready_dev(&isp_dev->notifier);
-	mutex_unlock(&rkisp_dev_mutex);
+	__rkisp_clr_unready_dev();
 
 	return 0;
 }
 late_initcall_sync(rkisp_clr_unready_dev);
+#endif
 
 static const struct dev_pm_ops rkisp_plat_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
diff --git a/drivers/media/platform/rockchip/isp/isp_ispp.h b/drivers/media/platform/rockchip/isp/isp_ispp.h
index ba59f4e2705b..0b24acc228ab 100644
--- a/drivers/media/platform/rockchip/isp/isp_ispp.h
+++ b/drivers/media/platform/rockchip/isp/isp_ispp.h
@@ -41,7 +41,7 @@ struct rkisp_ispp_buf {
 int __init rkispp_plat_drv_init(void);
 #endif
 
-#if defined(CONFIG_VIDEO_ROCKCHIP_ISP)
+#if IS_ENABLED(CONFIG_VIDEO_ROCKCHIP_ISP)
 void rkisp_get_bridge_sd(struct platform_device *dev,
 			 struct v4l2_subdev **sd);
 #else