ACPI: make acpi_create_platform_device() an external API

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
index 2bf9082..a3c89a1 100644
--- a/drivers/acpi/acpi_platform.c
+++ b/drivers/acpi/acpi_platform.c
@@ -113,3 +113,4 @@
 	kfree(resources);
 	return pdev;
 }
+EXPORT_SYMBOL_GPL(acpi_create_platform_device);
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index de47f9f..f221d1e 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -169,13 +169,6 @@
 #endif
 
 /*--------------------------------------------------------------------------
-				Platform bus support
-  -------------------------------------------------------------------------- */
-struct platform_device;
-
-struct platform_device *acpi_create_platform_device(struct acpi_device *adev);
-
-/*--------------------------------------------------------------------------
 					Video
   -------------------------------------------------------------------------- */
 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 807cbc4..2c24c2c 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -432,6 +432,7 @@
 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
 int acpi_device_modalias(struct device *, char *, int);
 
+struct platform_device *acpi_create_platform_device(struct acpi_device *);
 #define ACPI_PTR(_ptr)	(_ptr)
 
 #else	/* !CONFIG_ACPI */