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authorJohannes Thumshirn <jthumshirn@suse.de>2016-08-26 10:34:59 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-08-31 14:16:24 +0300
commit68d9671a845e11c4eec1976876c1af5687a55279 (patch)
tree4e7b5afc87c0c64ba7858894ee3dd5dc77b152f9 /include/linux/mcb.h
parentffc7bb3857e42acab131271e485735cbf673d0f0 (diff)
downloadlinux-68d9671a845e11c4eec1976876c1af5687a55279.tar.xz
mcb: Introduce type safety for to_mcb_*
The to_mcb_{bus,device,driver}() macros lacked type safety, so convert them to inline functions to enforce compile time type checking. Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/mcb.h')
-rw-r--r--include/linux/mcb.h18
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/mcb.h b/include/linux/mcb.h
index ead13d233a97..a6733d3fe72b 100644
--- a/include/linux/mcb.h
+++ b/include/linux/mcb.h
@@ -41,7 +41,11 @@ struct mcb_bus {
char name[CHAMELEON_FILENAME_LEN + 1];
int (*get_irq)(struct mcb_device *dev);
};
-#define to_mcb_bus(b) container_of((b), struct mcb_bus, dev)
+
+static inline struct mcb_bus *to_mcb_bus(struct device *dev)
+{
+ return container_of(dev, struct mcb_bus, dev);
+}
/**
* struct mcb_device - MEN Chameleon Bus device
@@ -77,7 +81,11 @@ struct mcb_device {
struct resource irq;
struct resource mem;
};
-#define to_mcb_device(x) container_of((x), struct mcb_device, dev)
+
+static inline struct mcb_device *to_mcb_device(struct device *dev)
+{
+ return container_of(dev, struct mcb_device, dev);
+}
/**
* struct mcb_driver - MEN Chameleon Bus device driver
@@ -95,7 +103,11 @@ struct mcb_driver {
void (*remove)(struct mcb_device *mdev);
void (*shutdown)(struct mcb_device *mdev);
};
-#define to_mcb_driver(x) container_of((x), struct mcb_driver, driver)
+
+static inline struct mcb_driver *to_mcb_driver(struct device_driver *drv)
+{
+ return container_of(drv, struct mcb_driver, driver);
+}
static inline void *mcb_get_drvdata(struct mcb_device *dev)
{