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clocksource: convert sysdev_class to a regular subsystem 

After all sysdev classes are ported to regular driver core entities, the
sysdev implementation will be entirely removed from the kernel.

Cc: John Stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Kay Sievers 2011-12-14 15:28:51 -08:00 committed by Greg Kroah-Hartman
parent 15916a123e
commit d369a5d8fc
1 changed files with 19 additions and 18 deletions
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37
kernel/time/clocksource.c
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@ -23,8 +23,8 @@
* o Allow clocksource drivers to be unregistered
*/
#include <linux/device.h>
#include <linux/clocksource.h>
#include <linux/sysdev.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/sched.h> /* for spin_unlock_irq() using preempt_count() m68k */
@ -754,8 +754,8 @@ EXPORT_SYMBOL(clocksource_unregister);
* Provides sysfs interface for listing current clocksource.
*/
static ssize_t
sysfs_show_current_clocksources(struct sys_device *dev,
struct sysdev_attribute *attr, char *buf)
sysfs_show_current_clocksources(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t count = 0;
@ -775,8 +775,8 @@ sysfs_show_current_clocksources(struct sys_device *dev,
* Takes input from sysfs interface for manually overriding the default
* clocksource selection.
*/
static ssize_t sysfs_override_clocksource(struct sys_device *dev,
struct sysdev_attribute *attr,
static ssize_t sysfs_override_clocksource(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
size_t ret = count;
@ -809,8 +809,8 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev,
* Provides sysfs interface for listing registered clocksources
*/
static ssize_t
sysfs_show_available_clocksources(struct sys_device *dev,
struct sysdev_attribute *attr,
sysfs_show_available_clocksources(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct clocksource *src;
@ -839,35 +839,36 @@ sysfs_show_available_clocksources(struct sys_device *dev,
/*
* Sysfs setup bits:
*/
static SYSDEV_ATTR(current_clocksource, 0644, sysfs_show_current_clocksources,
static DEVICE_ATTR(current_clocksource, 0644, sysfs_show_current_clocksources,
sysfs_override_clocksource);
static SYSDEV_ATTR(available_clocksource, 0444,
static DEVICE_ATTR(available_clocksource, 0444,
sysfs_show_available_clocksources, NULL);
static struct sysdev_class clocksource_sysclass = {
static struct bus_type clocksource_subsys = {
.name = "clocksource",
.dev_name = "clocksource",
};
static struct sys_device device_clocksource = {
static struct device device_clocksource = {
.id = 0,
.cls = &clocksource_sysclass,
.bus = &clocksource_subsys,
};
static int __init init_clocksource_sysfs(void)
{
int error = sysdev_class_register(&clocksource_sysclass);
int error = subsys_system_register(&clocksource_subsys, NULL);
if (!error)
error = sysdev_register(&device_clocksource);
error = device_register(&device_clocksource);
if (!error)
error = sysdev_create_file(
error = device_create_file(
&device_clocksource,
&attr_current_clocksource);
&dev_attr_current_clocksource);
if (!error)
error = sysdev_create_file(
error = device_create_file(
&device_clocksource,
&attr_available_clocksource);
&dev_attr_available_clocksource);
return error;
}