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drivers: make device_type const 

The device_type structure does not contain data that changes
during usage and should be const. This allows devices to declare
the struct const.

I have patches to change all the subsystems, but need the infra
structure change first.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Stephen Hemminger 2011-03-28 09:12:52 -07:00 committed by Greg Kroah-Hartman
parent 695cca8763
commit aed65af1cc
2 changed files with 3 additions and 3 deletions
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4
drivers/base/core.c
View File

@ -400,7 +400,7 @@ static void device_remove_groups(struct device *dev,
static int device_add_attrs(struct device *dev)
{
struct class *class = dev->class;
struct device_type *type = dev->type;
const struct device_type *type = dev->type;
int error;
if (class) {
@ -440,7 +440,7 @@ static int device_add_attrs(struct device *dev)
static void device_remove_attrs(struct device *dev)
{
struct class *class = dev->class;
struct device_type *type = dev->type;
const struct device_type *type = dev->type;
device_remove_groups(dev, dev->groups);

2
include/linux/device.h
View File

@ -408,7 +408,7 @@ struct device {
struct kobject kobj;
const char *init_name; /* initial name of the device */
struct device_type *type;
const struct device_type *type;
struct mutex mutex; /* mutex to synchronize calls to
* its driver.