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Driver core: convert msr code to use struct device 

Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
hifive-unleashed-5.1
Greg Kroah-Hartman 2006-08-07 22:19:37 -07:00
parent ac11d0601b
commit a271aaf15f
1 changed files with 10 additions and 10 deletions
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20
arch/i386/kernel/msr.c
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@ -239,14 +239,14 @@ static struct file_operations msr_fops = {
.open = msr_open,
};
static int msr_class_device_create(int i)
static int msr_device_create(int i)
{
int err = 0;
struct class_device *class_err;
struct device *dev;
class_err = class_device_create(msr_class, NULL, MKDEV(MSR_MAJOR, i), NULL, "msr%d",i);
if (IS_ERR(class_err))
err = PTR_ERR(class_err);
dev = device_create(msr_class, NULL, MKDEV(MSR_MAJOR, i), "msr%d",i);
if (IS_ERR(dev))
err = PTR_ERR(dev);
return err;
}
@ -258,10 +258,10 @@ static int msr_class_cpu_callback(struct notifier_block *nfb,
switch (action) {
case CPU_ONLINE:
msr_class_device_create(cpu);
msr_device_create(cpu);
break;
case CPU_DEAD:
class_device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu));
device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu));
break;
}
return NOTIFY_OK;
@ -290,7 +290,7 @@ static int __init msr_init(void)
goto out_chrdev;
}
for_each_online_cpu(i) {
err = msr_class_device_create(i);
err = msr_device_create(i);
if (err != 0)
goto out_class;
}
@ -302,7 +302,7 @@ static int __init msr_init(void)
out_class:
i = 0;
for_each_online_cpu(i)
class_device_destroy(msr_class, MKDEV(MSR_MAJOR, i));
device_destroy(msr_class, MKDEV(MSR_MAJOR, i));
class_destroy(msr_class);
out_chrdev:
unregister_chrdev(MSR_MAJOR, "cpu/msr");
@ -314,7 +314,7 @@ static void __exit msr_exit(void)
{
int cpu = 0;
for_each_online_cpu(cpu)
class_device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu));
device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu));
class_destroy(msr_class);
unregister_chrdev(MSR_MAJOR, "cpu/msr");
unregister_hotcpu_notifier(&msr_class_cpu_notifier);