1 files changed, 87 insertions, 0 deletions
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
new file mode 100644
index 000000000..2c7a3d4bc
--- /dev/null
+++ b/include/linux/of_device.h
@@ -0,0 +1,87 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_OF_DEVICE_H
+#define _LINUX_OF_DEVICE_H
+
+#include <linux/platform_device.h>
+#include <linux/of_platform.h> /* temporary until merge */
+
+#include <linux/of.h>
+
+struct device;
+struct of_device_id;
+struct kobj_uevent_env;
+
+#ifdef CONFIG_OF
+extern const struct of_device_id *of_match_device(
+	const struct of_device_id *matches, const struct device *dev);
+
+/**
+ * of_driver_match_device - Tell if a driver's of_match_table matches a device.
+ * @drv: the device_driver structure to test
+ * @dev: the device structure to match against
+ */
+static inline int of_driver_match_device(struct device *dev,
+					 const struct device_driver *drv)
+{
+	return of_match_device(drv->of_match_table, dev) != NULL;
+}
+
+extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len);
+
+extern void of_device_uevent(const struct device *dev, struct kobj_uevent_env *env);
+extern int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env);
+
+int of_dma_configure_id(struct device *dev,
+		     struct device_node *np,
+		     bool force_dma, const u32 *id);
+static inline int of_dma_configure(struct device *dev,
+				   struct device_node *np,
+				   bool force_dma)
+{
+	return of_dma_configure_id(dev, np, force_dma, NULL);
+}
+#else /* CONFIG_OF */
+
+static inline int of_driver_match_device(struct device *dev,
+					 const struct device_driver *drv)
+{
+	return 0;
+}
+
+static inline void of_device_uevent(const struct device *dev,
+			struct kobj_uevent_env *env) { }
+
+static inline int of_device_modalias(struct device *dev,
+				     char *str, ssize_t len)
+{
+	return -ENODEV;
+}
+
+static inline int of_device_uevent_modalias(const struct device *dev,
+				   struct kobj_uevent_env *env)
+{
+	return -ENODEV;
+}
+
+static inline const struct of_device_id *of_match_device(
+		const struct of_device_id *matches, const struct device *dev)
+{
+	return NULL;
+}
+
+static inline int of_dma_configure_id(struct device *dev,
+				      struct device_node *np,
+				      bool force_dma,
+				      const u32 *id)
+{
+	return 0;
+}
+static inline int of_dma_configure(struct device *dev,
+				   struct device_node *np,
+				   bool force_dma)
+{
+	return 0;
+}
+#endif /* CONFIG_OF */
+
+#endif /* _LINUX_OF_DEVICE_H */