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| author |   Shaohua Li <shaohua.li@intel.com> | 2006-05-08 13:45:57 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2006-06-21 12:40:48 -0700 |
| commit | 670dd90d81f60ef429cbba54ad235e9207f4d444 (patch) | |
| tree | 817c62329690f69cb32439d00c25023dfe977402 /include/linux/sysdev.h | |
| parent | [PATCH] Driver Core: remove unused exports (diff) | |
| download | linux-dev-670dd90d81f60ef429cbba54ad235e9207f4d444.tar.xz linux-dev-670dd90d81f60ef429cbba54ad235e9207f4d444.zip | |
[PATCH] Driver Core: Allow sysdev_class have attributes
allow sysdev_class adding attribute. Next patch will use the new API to
add an attribute under /sys/device/system/cpu/.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/sysdev.h')
| -rw-r--r-- | include/linux/sysdev.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h index 2a4b432e1176..166a2e58c287 100644 --- a/include/linux/sysdev.h +++ b/include/linux/sysdev.h @@ -37,11 +37,27 @@ struct sysdev_class { struct kset kset; }; +struct sysdev_class_attribute { + struct attribute attr; + ssize_t (*show)(struct sysdev_class *, char *); + ssize_t (*store)(struct sysdev_class *, const char *, size_t); +}; + +#define SYSDEV_CLASS_ATTR(_name,_mode,_show,_store) \ +struct sysdev_class_attribute attr_##_name = { \ + .attr = {.name = __stringify(_name), .mode = _mode }, \ + .show = _show, \ + .store = _store, \ +}; + extern int sysdev_class_register(struct sysdev_class *); extern void sysdev_class_unregister(struct sysdev_class *); - +extern int sysdev_class_create_file(struct sysdev_class *, + struct sysdev_class_attribute *); +extern void sysdev_class_remove_file(struct sysdev_class *, + struct sysdev_class_attribute *); /** * Auxillary system device drivers. */ |