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, 18 insertions, 0 deletions

diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index 50c78db420e6..13a1a9ca4b66 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -31,5 +31,23 @@ struct sdio_func {
 
 #define sdio_func_id(f)         ((f)->dev.bus_id)
 
+#define sdio_get_drvdata(f)     dev_get_drvdata(&(f)->dev)
+#define sdio_set_drvdata(f,d)   dev_set_drvdata(&(f)->dev, d)
+
+/*
+ * SDIO function device driver
+ */
+struct sdio_driver {
+        char *name;
+
+        int (*probe)(struct sdio_func *);
+        void (*remove)(struct sdio_func *);
+
+        struct device_driver drv;
+};
+
+extern int sdio_register_driver(struct sdio_driver *);
+extern void sdio_unregister_driver(struct sdio_driver *);
+
 #endif