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Commit 07e9bb8e authored by Kay Sievers's avatar Kay Sievers Committed by Greg Kroah-Hartman
Browse files

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: default avatarKay Sievers <kay.sievers@vrfy.org>
Signed-off-by: default avatarJan Blunck <jblunck@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent b03f38b6

arch/x86/kernel/cpuid.c

+6 −0
Original line number Diff line number Diff line
@@ -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)

arch/x86/kernel/msr.c

+6 −0
Original line number Diff line number Diff line
@@ -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)