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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-14 16:05:54 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-16 10:57:36 -0700
commitced321bf9151535f85779b0004c93529f860b2a4 (patch)
tree34a2138580124c0a41c90c25bb450d0deba2e711 /include
parente4b63603c2a1e2c4db3de11b0f2b17360a7695bb (diff)
downloadlinux-ced321bf9151535f85779b0004c93529f860b2a4.tar.bz2
driver core: device.h: add RW and RO attribute macros
Make it easier to create attributes without having to always audit the mode settings. 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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/device.h28
1 files changed, 21 insertions, 7 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index bcf8c0d4cd98..f207a8f49f80 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -47,7 +47,11 @@ struct bus_attribute {
};
#define BUS_ATTR(_name, _mode, _show, _store) \
-struct bus_attribute bus_attr_##_name = __ATTR(_name, _mode, _show, _store)
+ struct bus_attribute bus_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define BUS_ATTR_RW(_name) \
+ struct bus_attribute bus_attr_##_name = __ATTR_RW(_name)
+#define BUS_ATTR_RO(_name) \
+ struct bus_attribute bus_attr_##_name = __ATTR_RO(_name)
extern int __must_check bus_create_file(struct bus_type *,
struct bus_attribute *);
@@ -261,9 +265,12 @@ struct driver_attribute {
size_t count);
};
-#define DRIVER_ATTR(_name, _mode, _show, _store) \
-struct driver_attribute driver_attr_##_name = \
- __ATTR(_name, _mode, _show, _store)
+#define DRIVER_ATTR(_name, _mode, _show, _store) \
+ struct driver_attribute driver_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define DRIVER_ATTR_RW(_name) \
+ struct driver_attribute driver_attr_##_name = __ATTR_RW(_name)
+#define DRIVER_ATTR_RO(_name) \
+ struct driver_attribute driver_attr_##_name = __ATTR_RO(_name)
extern int __must_check driver_create_file(struct device_driver *driver,
const struct driver_attribute *attr);
@@ -414,8 +421,12 @@ struct class_attribute {
const struct class_attribute *attr);
};
-#define CLASS_ATTR(_name, _mode, _show, _store) \
-struct class_attribute class_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define CLASS_ATTR(_name, _mode, _show, _store) \
+ struct class_attribute class_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define CLASS_ATTR_RW(_name) \
+ struct class_attribute class_attr_##_name = __ATTR_RW(_name)
+#define CLASS_ATTR_RO(_name) \
+ struct class_attribute class_attr_##_name = __ATTR_RO(_name)
extern int __must_check class_create_file(struct class *class,
const struct class_attribute *attr);
@@ -423,7 +434,6 @@ extern void class_remove_file(struct class *class,
const struct class_attribute *attr);
/* Simple class attribute that is just a static string */
-
struct class_attribute_string {
struct class_attribute attr;
char *str;
@@ -512,6 +522,10 @@ ssize_t device_store_bool(struct device *dev, struct device_attribute *attr,
#define DEVICE_ATTR(_name, _mode, _show, _store) \
struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define DEVICE_ATTR_RW(_name) \
+ struct device_attribute dev_attr_##_name = __ATTR_RW(_name)
+#define DEVICE_ATTR_RO(_name) \
+ struct device_attribute dev_attr_##_name = __ATTR_RO(_name)
#define DEVICE_ULONG_ATTR(_name, _mode, _var) \
struct dev_ext_attribute dev_attr_##_name = \
{ __ATTR(_name, _mode, device_show_ulong, device_store_ulong), &(_var) }