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Driver Core: x86: add nodename for cpuid and msr drivers. 

This adds support to the x86 cpuid and msr drivers to report the proper
device name to userspace for their devices.

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
hifive-unleashed-5.1
Kay Sievers 2009-04-30 15:23:42 +02:00 committed by Greg Kroah-Hartman
parent b03f38b685
commit 07e9bb8eeb
2 changed files with 12 additions and 0 deletions
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6
arch/x86/kernel/cpuid.c
View File

@ -182,6 +182,11 @@ static struct notifier_block __refdata cpuid_class_cpu_notifier =
.notifier_call = cpuid_class_cpu_callback,
};
static char *cpuid_nodename(struct device *dev)
{
return kasprintf(GFP_KERNEL, "cpu/%u/cpuid", MINOR(dev->devt));
}
static int __init cpuid_init(void)
{
int i, err = 0;
@ -198,6 +203,7 @@ static int __init cpuid_init(void)
err = PTR_ERR(cpuid_class);
goto out_chrdev;
}
cpuid_class->nodename = cpuid_nodename;
for_each_online_cpu(i) {
err = cpuid_device_create(i);
if (err != 0)

6
arch/x86/kernel/msr.c
View File

@ -196,6 +196,11 @@ static struct notifier_block __refdata msr_class_cpu_notifier = {
.notifier_call = msr_class_cpu_callback,
};
static char *msr_nodename(struct device *dev)
{
return kasprintf(GFP_KERNEL, "cpu/%u/msr", MINOR(dev->devt));
}
static int __init msr_init(void)
{
int i, err = 0;
@ -212,6 +217,7 @@ static int __init msr_init(void)
err = PTR_ERR(msr_class);
goto out_chrdev;
}
msr_class->nodename = msr_nodename;
for_each_online_cpu(i) {
err = msr_device_create(i);
if (err != 0)