driver core: Add ability for arch code to setup pdev_archdata

[pandora-kernel.git] / drivers / base / platform.c

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 1c291af..0cad9c7 100644 (file)
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -31,6 +31,25 @@ struct device platform_bus = {
 };
 EXPORT_SYMBOL_GPL(platform_bus);
 
+/**
+ * arch_setup_pdev_archdata - Allow manipulation of archdata before its used
+ * @dev: platform device
+ *
+ * This is called before platform_device_add() such that any pdev_archdata may
+ * be setup before the platform_notifier is called.  So if a user needs to
+ * manipulate any relevant information in the pdev_archdata they can do:
+ *
+ *     platform_devic_alloc()
+ *     ... manipulate ...
+ *     platform_device_add()
+ *
+ * And if they don't care they can just call platform_device_register() and
+ * everything will just work out.
+ */
+void __weak arch_setup_pdev_archdata(struct platform_device *pdev)
+{
+}
+
 /**
  * platform_get_resource - get a resource for a device
  * @dev: platform device
@@ -173,6 +192,7 @@ struct platform_device *platform_device_alloc(const char *name, int id)
                pa->pdev.id = id;
                device_initialize(&pa->pdev.dev);
                pa->pdev.dev.release = platform_device_release;
+               arch_setup_pdev_archdata(&pa->pdev);
        }
 
        return pa ? &pa->pdev : NULL;
@@ -334,6 +354,7 @@ EXPORT_SYMBOL_GPL(platform_device_del);
 int platform_device_register(struct platform_device *pdev)
 {
        device_initialize(&pdev->dev);
+       arch_setup_pdev_archdata(pdev);
        return platform_device_add(pdev);
 }
 EXPORT_SYMBOL_GPL(platform_device_register);
@@ -367,7 +388,7 @@ EXPORT_SYMBOL_GPL(platform_device_unregister);
  *
  * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
  */
-struct platform_device *__init_or_module platform_device_register_resndata(
+struct platform_device *platform_device_register_resndata(
                struct device *parent,
                const char *name, int id,
                const struct resource *res, unsigned int num,