Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc

[powerpc.git] / drivers / base / platform.c

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index d1df4a0..17b5ece 100644 (file)
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -212,7 +212,7 @@ EXPORT_SYMBOL_GPL(platform_device_add_resources);
  *     pointer.  The memory associated with the platform data will be freed
  *     when the platform device is released.
  */
-int platform_device_add_data(struct platform_device *pdev, void *data, size_t size)
+int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size)
 {
        void *d;
 
@@ -292,20 +292,22 @@ EXPORT_SYMBOL_GPL(platform_device_add);
  *     @pdev:  platform device we're removing
  *
  *     Note that this function will also release all memory- and port-based
- *     resources owned by the device (@dev->resource).
+ *     resources owned by the device (@dev->resource).  This function
+ *     must _only_ be externally called in error cases.  All other usage
+ *     is a bug.
  */
 void platform_device_del(struct platform_device *pdev)
 {
        int i;
 
        if (pdev) {
+               device_del(&pdev->dev);
+
                for (i = 0; i < pdev->num_resources; i++) {
                        struct resource *r = &pdev->resource[i];
                        if (r->flags & (IORESOURCE_MEM|IORESOURCE_IO))
                                release_resource(r);
                }
-
-               device_del(&pdev->dev);
        }
 }
 EXPORT_SYMBOL_GPL(platform_device_del);
@@ -473,7 +475,7 @@ EXPORT_SYMBOL_GPL(platform_driver_unregister);
  * Returns zero if the driver registered and bound to a device, else returns
  * a negative error code and with the driver not registered.
  */
-int platform_driver_probe(struct platform_driver *drv,
+int __init_or_module platform_driver_probe(struct platform_driver *drv,
                int (*probe)(struct platform_device *))
 {
        int retval, code;
@@ -611,8 +613,15 @@ EXPORT_SYMBOL_GPL(platform_bus_type);
 
 int __init platform_bus_init(void)
 {
-       device_register(&platform_bus);
-       return bus_register(&platform_bus_type);
+       int error;
+
+       error = device_register(&platform_bus);
+       if (error)
+               return error;
+       error =  bus_register(&platform_bus_type);
+       if (error)
+               device_unregister(&platform_bus);
+       return error;
 }
 
 #ifndef ARCH_HAS_DMA_GET_REQUIRED_MASK