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libnvdimm: provide module_nd_driver wrapper

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Provide a module_nd_driver() wrapper over simple nd_driver_register()
nd_driver_unregister() combinations in module_init() and module_exit()
respectively.

Note an explicit nd_driver_unregister() had to be implemented as nd
bus drivers did call device_unregister() direcly in the module_exit()
function.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Johannes Thumshirn 2018-03-14 19:25:06 +01:00 committed by Dan Williams
parent 1526f9e2ac
commit 71cfdd0bad
1 changed files with 6 additions and 0 deletions
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6
include/linux/nd.h
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@ -180,6 +180,12 @@ struct nd_region;
void nvdimm_region_notify(struct nd_region *nd_region, enum nvdimm_event event);
int __must_check __nd_driver_register(struct nd_device_driver *nd_drv,
struct module *module, const char *mod_name);
static inline void nd_driver_unregister(struct nd_device_driver *drv)
{
driver_unregister(&drv->drv);
}
#define nd_driver_register(driver) \
__nd_driver_register(driver, THIS_MODULE, KBUILD_MODNAME)
#define module_nd_driver(driver) \
module_driver(driver, nd_driver_register, nd_driver_unregister)
#endif /* __LINUX_ND_H__ */