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mcb: Introduce type safety for to_mcb_*

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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>
This commit is contained in:
Johannes Thumshirn 2016-08-26 09:34:59 +02:00 committed by Greg Kroah-Hartman
parent ffc7bb3857
commit 68d9671a84
1 changed files with 15 additions and 3 deletions
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18
include/linux/mcb.h
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@ -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)
{