mmc: add SDIO driver handling

Add basic driver handling to the SDIO device model.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 59c909e1c7c6..fa488cea8594 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -67,6 +67,29 @@ void sdio_unregister_bus(void)
         bus_unregister(&sdio_bus_type);
 }
 
+/**
+ *      sdio_register_driver - register a function driver
+ *      @drv: SDIO function driver
+ */
+int sdio_register_driver(struct sdio_driver *drv)
+{
+        drv->drv.name = drv->name;
+        drv->drv.bus = &sdio_bus_type;
+        return driver_register(&drv->drv);
+}
+EXPORT_SYMBOL_GPL(sdio_register_driver);
+
+/**
+ *      sdio_unregister_driver - unregister a function driver
+ *      @drv: SDIO function driver
+ */
+void sdio_unregister_driver(struct sdio_driver *drv)
+{
+        drv->drv.bus = &sdio_bus_type;
+        driver_unregister(&drv->drv);
+}
+EXPORT_SYMBOL_GPL(sdio_unregister_driver);
+
 static void sdio_release_func(struct device *dev)
 {
         struct sdio_func *func = dev_to_sdio_func(dev);