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From foo@baz Wed Jul 10 12:06:27 PDT 2013
Date: Wed, 10 Jul 2013 12:06:27 -0700
To: Greg KH <gregkh@linuxfoundation.org>
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: sysfs.h: add BIN_ATTR macro
This makes it easier to create static binary attributes, which is needed
in a number of drivers, instead of "open coding" them.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/sysfs.h | 9 +++++++++
1 file changed, 9 insertions(+)
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -132,6 +132,15 @@ struct bin_attribute {
*/
#define sysfs_bin_attr_init(bin_attr) sysfs_attr_init(&(bin_attr)->attr)
+/* macro to create static binary attributes easier */
+#define BIN_ATTR(_name, _mode, _read, _write, _size) \
+struct bin_attribute bin_attr_##_name = { \
+ .attr = {.name = __stringify(_name), .mode = _mode }, \
+ .read = _read, \
+ .write = _write, \
+ .size = _size, \
+}
+
struct sysfs_ops {
ssize_t (*show)(struct kobject *, struct attribute *,char *);
ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t);
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