dm: core: Convert driver_bind() to use const

The driver is not modified by driver model, so update driver_bind() to
recognise that.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>

drivers/core/device-remove.c

@@ -66,7 +66,7 @@ static int device_chld_remove(struct udevice *dev)
 
 int device_unbind(struct udevice *dev)
 {
-	struct driver *drv;
+	const struct driver *drv;
 	int ret;
 
 	if (!dev)
@@ -139,7 +139,7 @@ void device_free(struct udevice *dev)
 
 int device_remove(struct udevice *dev)
 {
-	struct driver *drv;
+	const struct driver *drv;
 	int ret;
 
 	if (!dev)

drivers/core/device.c

@@ -24,8 +24,9 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-int device_bind(struct udevice *parent, struct driver *drv, const char *name,
+int device_bind(struct udevice *parent, const struct driver *drv,
-		void *platdata, int of_offset, struct udevice **devp)
+		const char *name, void *platdata, int of_offset,
+		struct udevice **devp)
 {
 	struct udevice *dev;
 	struct uclass *uc;
@@ -181,7 +182,7 @@ static void *alloc_priv(int size, uint flags)
 
 int device_probe_child(struct udevice *dev, void *parent_priv)
 {
-	struct driver *drv;
+	const struct driver *drv;
 	int size = 0;
 	int ret;
 	int seq;

include/dm/device-internal.h

@@ -34,7 +34,7 @@ struct udevice;
  * @devp: Returns a pointer to the bound device
  * @return 0 if OK, -ve on error
  */
-int device_bind(struct udevice *parent, struct driver *drv,
+int device_bind(struct udevice *parent, const struct driver *drv,
 		const char *name, void *platdata, int of_offset,
 		struct udevice **devp);
 

include/dm/device.h

@@ -70,7 +70,7 @@ struct driver_info;
  * when the device is probed and will be unique within the device's uclass.
  */
 struct udevice {
-	struct driver *driver;
+	const struct driver *driver;
 	const char *name;
 	void *platdata;
 	void *parent_platdata;