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rtmutex-tester: 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: Thomas Gleixner <tglx@linutronix.de>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 997d3eaf02cad6fdb54bd6085c9a7c48ddd68a2d 1 parent ca22e56
@kaysievers kaysievers authored gregkh committed
Showing with 19 additions and 18 deletions.
  1. +19 −18 kernel/rtmutex-tester.c
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37 kernel/rtmutex-tester.c
@@ -6,11 +6,11 @@
* Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
*
*/
+#include <linux/device.h>
#include <linux/kthread.h>
#include <linux/export.h>
#include <linux/sched.h>
#include <linux/spinlock.h>
-#include <linux/sysdev.h>
#include <linux/timer.h>
#include <linux/freezer.h>
@@ -27,7 +27,7 @@ struct test_thread_data {
int opdata;
int mutexes[MAX_RT_TEST_MUTEXES];
int event;
- struct sys_device sysdev;
+ struct device dev;
};
static struct test_thread_data thread_data[MAX_RT_TEST_THREADS];
@@ -271,7 +271,7 @@ static int test_func(void *data)
*
* opcode:data
*/
-static ssize_t sysfs_test_command(struct sys_device *dev, struct sysdev_attribute *attr,
+static ssize_t sysfs_test_command(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sched_param schedpar;
@@ -279,8 +279,8 @@ static ssize_t sysfs_test_command(struct sys_device *dev, struct sysdev_attribut
char cmdbuf[32];
int op, dat, tid, ret;
- td = container_of(dev, struct test_thread_data, sysdev);
- tid = td->sysdev.id;
+ td = container_of(dev, struct test_thread_data, dev);
+ tid = td->dev.id;
/* strings from sysfs write are not 0 terminated! */
if (count >= sizeof(cmdbuf))
@@ -334,7 +334,7 @@ static ssize_t sysfs_test_command(struct sys_device *dev, struct sysdev_attribut
* @dev: thread to query
* @buf: char buffer to be filled with thread status info
*/
-static ssize_t sysfs_test_status(struct sys_device *dev, struct sysdev_attribute *attr,
+static ssize_t sysfs_test_status(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct test_thread_data *td;
@@ -342,8 +342,8 @@ static ssize_t sysfs_test_status(struct sys_device *dev, struct sysdev_attribute
char *curr = buf;
int i;
- td = container_of(dev, struct test_thread_data, sysdev);
- tsk = threads[td->sysdev.id];
+ td = container_of(dev, struct test_thread_data, dev);
+ tsk = threads[td->dev.id];
spin_lock(&rttest_lock);
@@ -360,28 +360,29 @@ static ssize_t sysfs_test_status(struct sys_device *dev, struct sysdev_attribute
spin_unlock(&rttest_lock);
curr += sprintf(curr, ", T: %p, R: %p\n", tsk,
- mutexes[td->sysdev.id].owner);
+ mutexes[td->dev.id].owner);
return curr - buf;
}
-static SYSDEV_ATTR(status, 0600, sysfs_test_status, NULL);
-static SYSDEV_ATTR(command, 0600, NULL, sysfs_test_command);
+static DEVICE_ATTR(status, 0600, sysfs_test_status, NULL);
+static DEVICE_ATTR(command, 0600, NULL, sysfs_test_command);
-static struct sysdev_class rttest_sysclass = {
+static struct bus_type rttest_subsys = {
.name = "rttest",
+ .dev_name = "rttest",
};
static int init_test_thread(int id)
{
- thread_data[id].sysdev.cls = &rttest_sysclass;
- thread_data[id].sysdev.id = id;
+ thread_data[id].dev.bus = &rttest_subsys;
+ thread_data[id].dev.id = id;
threads[id] = kthread_run(test_func, &thread_data[id], "rt-test-%d", id);
if (IS_ERR(threads[id]))
return PTR_ERR(threads[id]);
- return sysdev_register(&thread_data[id].sysdev);
+ return device_register(&thread_data[id].dev);
}
static int init_rttest(void)
@@ -393,7 +394,7 @@ static int init_rttest(void)
for (i = 0; i < MAX_RT_TEST_MUTEXES; i++)
rt_mutex_init(&mutexes[i]);
- ret = sysdev_class_register(&rttest_sysclass);
+ ret = subsys_system_register(&rttest_subsys, NULL);
if (ret)
return ret;
@@ -401,10 +402,10 @@ static int init_rttest(void)
ret = init_test_thread(i);
if (ret)
break;
- ret = sysdev_create_file(&thread_data[i].sysdev, &attr_status);
+ ret = device_create_file(&thread_data[i].dev, &dev_attr_status);
if (ret)
break;
- ret = sysdev_create_file(&thread_data[i].sysdev, &attr_command);
+ ret = device_create_file(&thread_data[i].dev, &dev_attr_command);
if (ret)
break;
}
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