diff --git a/arch/powerpc/platforms/83xx/mpc837x_mds.c b/arch/powerpc/platforms/83xx/mpc837x_mds.c
index 51df7e75..f9751c8 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_mds.c
@@ -102,7 +102,7 @@
 
 static int __init mpc837x_declare_of_platform_devices(void)
 {
-	/* Publish of_device */
+	/* Publish platform_device */
 	of_platform_bus_probe(NULL, mpc837x_ids, NULL);
 
 	return 0;
diff --git a/arch/powerpc/platforms/83xx/mpc837x_rdb.c b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
index e00801c..910caa6 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
@@ -78,7 +78,7 @@
 
 static int __init mpc837x_declare_of_platform_devices(void)
 {
-	/* Publish of_device */
+	/* Publish platform_device */
 	of_platform_bus_probe(NULL, mpc837x_ids, NULL);
 
 	return 0;
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 8bd8653..6425abe 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1332,7 +1332,7 @@
 
 /**
  * fsl_rio_setup - Setup Freescale PowerPC RapidIO interface
- * @dev: of_device pointer
+ * @dev: platform_device pointer
  *
  * Initializes MPC85xx RapidIO hardware interface, configures
  * master port with system-specific info, and registers the