OF: Port of_match_device() and of_device_get_match_data()

Port of_match_device() and of_device_get_match_data() from Linux kernel
code.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 48 insertions, 0 deletions

diff --git a/include/of_device.h b/include/of_device.h
new file mode 100644
index 0000000000..e84fc9c377
--- /dev/null
+++ b/include/of_device.h
@@ -0,0 +1,48 @@
+#ifndef __OF_DEVICE_H
+#define __OF_DEVICE_H
+
+#include <driver.h>
+#include <of.h>
+
+
+#ifdef CONFIG_OFTREE
+extern const struct of_device_id *of_match_device(
+	const struct of_device_id *matches, const struct device_d *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_d *dev,
+					 const struct driver_d *drv)
+{
+	return of_match_device(drv->of_compatible, dev) != NULL;
+}
+
+extern const void *of_device_get_match_data(const struct device_d *dev);
+
+#else /* CONFIG_OF */
+
+static inline int of_driver_match_device(struct device_d *dev,
+					 const struct device_d *drv)
+{
+	return 0;
+}
+
+static inline const void *of_device_get_match_data(const struct device_d *dev)
+{
+	return NULL;
+}
+
+static inline const struct of_device_id *__of_match_device(
+		const struct of_device_id *matches, const struct device_d *dev)
+{
+	return NULL;
+}
+#define of_match_device(matches, dev)	\
+	__of_match_device(of_match_ptr(matches), (dev))
+
+#endif /* CONFIG_OF */
+
+#endif /* _LINUX_OF_DEVICE_H */