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authorPierre Ossman <drzeus@drzeus.cx>2007-05-27 12:00:02 +0200
committerPierre Ossman <drzeus@drzeus.cx>2007-09-23 19:55:26 +0200
commitf76c85154d320497bf1a939a98d6c432edcbd4a9 (patch)
treee0da7140f0aa3d50f501aca6a1439ebe1c973e9d
parente29a7d73f4277eb92aa64e17017dea33460828ef (diff)
mmc: add SDIO driver handling
Add basic driver handling to the SDIO device model. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
-rw-r--r--drivers/mmc/core/sdio_bus.c23
-rw-r--r--include/linux/mmc/sdio_func.h18
2 files changed, 41 insertions, 0 deletions
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 59c909e1c7c..fa488cea859 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);
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index 50c78db420e..13a1a9ca4b6 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