diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index ead3f64c41d..59df6290951 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -69,7 +69,8 @@ EXPORT_SYMBOL_GPL(platform_get_irq);
  * @name: resource name
  */
 struct resource *platform_get_resource_byname(struct platform_device *dev,
-					      unsigned int type, char *name)
+					      unsigned int type,
+					      const char *name)
 {
 	int i;
 
@@ -88,7 +89,7 @@ EXPORT_SYMBOL_GPL(platform_get_resource_byname);
  * @dev: platform device
  * @name: IRQ name
  */
-int platform_get_irq_byname(struct platform_device *dev, char *name)
+int platform_get_irq_byname(struct platform_device *dev, const char *name)
 {
 	struct resource *r = platform_get_resource_byname(dev, IORESOURCE_IRQ,
 							  name);
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index b67bb5d7b22..8dc5123b630 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -36,8 +36,8 @@ extern struct device platform_bus;
 
 extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int);
 extern int platform_get_irq(struct platform_device *, unsigned int);
-extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, char *);
-extern int platform_get_irq_byname(struct platform_device *, char *);
+extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, const char *);
+extern int platform_get_irq_byname(struct platform_device *, const char *);
 extern int platform_add_devices(struct platform_device **, int);
 
 extern struct platform_device *platform_device_register_simple(const char *, int id,