Some class subsystems are open-coding CLASS_ATTR_WO because the driver core never provided it. Add the macro to device.h so that we can go around and fix up the individual subsystems as needed.
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- include/linux/device.h | 2 ++ 1 file changed, 2 insertions(+) --- a/include/linux/device.h +++ b/include/linux/device.h @@ -465,6 +465,8 @@ struct class_attribute { struct class_attribute class_attr_##_name = __ATTR_RW(_name) #define CLASS_ATTR_RO(_name) \ struct class_attribute class_attr_##_name = __ATTR_RO(_name) +#define CLASS_ATTR_WO(_name) \ + struct class_attribute class_attr_##_name = __ATTR_WO(_name) extern int __must_check class_create_file_ns(struct class *class, const struct class_attribute *attr,