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Driver core: driver_attribute parameters can often be const* 

Many struct driver_attribute descriptors are purely read-only
structures, and there's no need to change them. Therefore make
the promise not to, which will let those descriptors be put in
a ro section.

Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Phil Carmody 2009-12-18 15:34:21 +02:00 committed by Greg Kroah-Hartman
parent 66ecb92be9
commit 099c2f21d8
4 changed files with 8 additions and 8 deletions
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4
Documentation/driver-model/driver.txt
View File

@ -226,5 +226,5 @@ struct driver_attribute driver_attr_debug;
This can then be used to add and remove the attribute from the
driver's directory using:
int driver_create_file(struct device_driver *, struct driver_attribute *);
void driver_remove_file(struct device_driver *, struct driver_attribute *);
int driver_create_file(struct device_driver *, const struct driver_attribute *);
void driver_remove_file(struct device_driver *, const struct driver_attribute *);

4
Documentation/filesystems/sysfs.txt
View File

@ -358,7 +358,7 @@ DRIVER_ATTR(_name, _mode, _show, _store)
Creation/Removal:
int driver_create_file(struct device_driver *, struct driver_attribute *);
void driver_remove_file(struct device_driver *, struct driver_attribute *);
int driver_create_file(struct device_driver *, const struct driver_attribute *);
void driver_remove_file(struct device_driver *, const struct driver_attribute *);

4
drivers/base/driver.c
View File

@ -98,7 +98,7 @@ EXPORT_SYMBOL_GPL(driver_find_device);
* @attr: driver attribute descriptor.
*/
int driver_create_file(struct device_driver *drv,
struct driver_attribute *attr)
const struct driver_attribute *attr)
{
int error;
if (drv)
@ -115,7 +115,7 @@ EXPORT_SYMBOL_GPL(driver_create_file);
* @attr: driver attribute descriptor.
*/
void driver_remove_file(struct device_driver *drv,
struct driver_attribute *attr)
const struct driver_attribute *attr)
{
if (drv)
sysfs_remove_file(&drv->p->kobj, &attr->attr);

4
include/linux/device.h
View File

@ -166,9 +166,9 @@ struct driver_attribute driver_attr_##_name = \
__ATTR(_name, _mode, _show, _store)
extern int __must_check driver_create_file(struct device_driver *driver,
struct driver_attribute *attr);
const struct driver_attribute *attr);
extern void driver_remove_file(struct device_driver *driver,
struct driver_attribute *attr);
const struct driver_attribute *attr);
extern int __must_check driver_add_kobj(struct device_driver *drv,
struct kobject *kobj,