driver core: add CLASS_ATTR_WO()

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 <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2016-11-22 18:31:49 +01:00
parent dfea747d2a
commit 2027cbcf49

View file

@ -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,