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authorShaohua Li <shaohua.li@intel.com>2006-05-08 13:45:57 +0800
committerGreg Kroah-Hartman <gregkh@suse.de>2006-06-21 12:40:48 -0700
commit670dd90d81f60ef429cbba54ad235e9207f4d444 (patch)
tree817c62329690f69cb32439d00c25023dfe977402 /include/linux/sysdev.h
parent1740757e8f94c6899705eb6f5434de9404992778 (diff)
downloadop-kernel-dev-670dd90d81f60ef429cbba54ad235e9207f4d444.zip
op-kernel-dev-670dd90d81f60ef429cbba54ad235e9207f4d444.tar.gz
[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.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h
index 2a4b432..166a2e5 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.
*/
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