mmc: make SDIO device/driver struct accessors public

Especially with the PM framework, those are quite handy to have in driver
code too.

Signed-off-by: Nicolas Pitre <[e-mail]>
Cc: <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/mmc/core/sdio_bus.c

···
 #include "sdio_cis.h"
 #include "sdio_bus.h"
 
-#define dev_to_sdio_func(d)	container_of(d, struct sdio_func, dev)
-#define to_sdio_driver(d)      container_of(d, struct sdio_driver, drv)
-
 /* show configuration fields */
 #define sdio_config_attr(field, format_string)				\
 static ssize_t								\

include/linux/mmc/sdio_func.h

···
 
 #define sdio_get_drvdata(f)	dev_get_drvdata(&(f)->dev)
 #define sdio_set_drvdata(f,d)	dev_set_drvdata(&(f)->dev, d)
+#define dev_to_sdio_func(d)	container_of(d, struct sdio_func, dev)
 
 /*
  * SDIO function device driver
···
 
 	struct device_driver drv;
 };
+
+#define to_sdio_driver(d)	container_of(d, struct sdio_driver, drv)
 
 /**
  * SDIO_DEVICE - macro used to describe a specific SDIO device