1 files changed, 11 insertions, 42 deletions

diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 79eda0264fb2..d01574d98870 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -184,16 +184,12 @@ void mfd_remove_devices(struct device *parent)
 }
 EXPORT_SYMBOL(mfd_remove_devices);
 
-static int add_shared_platform_device(const char *cell, const char *name)
+int mfd_clone_cell(const char *cell, const char **clones, size_t n_clones)
 {
 	struct mfd_cell cell_entry;
 	struct device *dev;
 	struct platform_device *pdev;
-	int err;
-
-	/* check if we've already registered a device (don't fail if we have) */
-	if (bus_find_device_by_name(&platform_bus_type, NULL, name))
-		return 0;
+	int i;
 
 	/* fetch the parent cell's device (should already be registered!) */
 	dev = bus_find_device_by_name(&platform_bus_type, NULL, cell);
@@ -206,44 +202,17 @@ static int add_shared_platform_device(const char *cell, const char *name)
 
 	WARN_ON(!cell_entry.enable);
 
-	cell_entry.name = name;
-	err = mfd_add_device(pdev->dev.parent, -1, &cell_entry, NULL, 0);
-	if (err)
-		dev_err(dev, "MFD add devices failed: %d\n", err);
-	return err;
-}
-
-int mfd_shared_platform_driver_register(struct platform_driver *drv,
-		const char *cellname)
-{
-	int err;
-
-	err = add_shared_platform_device(cellname, drv->driver.name);
-	if (err)
-		printk(KERN_ERR "failed to add platform device %s\n",
-				drv->driver.name);
-
-	err = platform_driver_register(drv);
-	if (err)
-		printk(KERN_ERR "failed to add platform driver %s\n",
-				drv->driver.name);
-
-	return err;
-}
-EXPORT_SYMBOL(mfd_shared_platform_driver_register);
-
-void mfd_shared_platform_driver_unregister(struct platform_driver *drv)
-{
-	struct device *dev;
-
-	dev = bus_find_device_by_name(&platform_bus_type, NULL,
-			drv->driver.name);
-	if (dev)
-		platform_device_unregister(to_platform_device(dev));
+	for (i = 0; i < n_clones; i++) {
+		cell_entry.name = clones[i];
+		/* don't give up if a single call fails; just report error */
+		if (mfd_add_device(pdev->dev.parent, -1, &cell_entry, NULL, 0))
+			dev_err(dev, "failed to create platform device '%s'\n",
+					clones[i]);
+	}
 
-	platform_driver_unregister(drv);
+	return 0;
 }
-EXPORT_SYMBOL(mfd_shared_platform_driver_unregister);
+EXPORT_SYMBOL(mfd_clone_cell);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Ian Molton, Dmitry Baryshkov");