Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6

[h-e-n] / drivers / base / platform.c

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 66b710c..dfcbfe5 100644 (file)
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -394,6 +394,53 @@ error:
 }
 EXPORT_SYMBOL_GPL(platform_device_register_simple);
 
+/**
+ * platform_device_register_data
+ * @parent: parent device for the device we're adding
+ * @name: base name of the device we're adding
+ * @id: instance id
+ * @data: platform specific data for this platform device
+ * @size: size of platform specific data
+ *
+ * This function creates a simple platform device that requires minimal
+ * resource and memory management. Canned release function freeing memory
+ * allocated for the device allows drivers using such devices to be
+ * unloaded without waiting for the last reference to the device to be
+ * dropped.
+ */
+struct platform_device *platform_device_register_data(
+               struct device *parent,
+               const char *name, int id,
+               const void *data, size_t size)
+{
+       struct platform_device *pdev;
+       int retval;
+
+       pdev = platform_device_alloc(name, id);
+       if (!pdev) {
+               retval = -ENOMEM;
+               goto error;
+       }
+
+       pdev->dev.parent = parent;
+
+       if (size) {
+               retval = platform_device_add_data(pdev, data, size);
+               if (retval)
+                       goto error;
+       }
+
+       retval = platform_device_add(pdev);
+       if (retval)
+               goto error;
+
+       return pdev;
+
+error:
+       platform_device_put(pdev);
+       return ERR_PTR(retval);
+}
+
 static int platform_drv_probe(struct device *_dev)
 {
        struct platform_driver *drv = to_platform_driver(_dev->driver);
@@ -865,7 +912,7 @@ static int platform_pm_restore_noirq(struct device *dev)
 
 #endif /* !CONFIG_HIBERNATION */
 
-struct pm_ext_ops platform_pm_ops = {
+static struct pm_ext_ops platform_pm_ops = {
        .base = {
                .prepare = platform_pm_prepare,
                .complete = platform_pm_complete,