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>
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@ -182,6 +182,11 @@ static struct notifier_block __refdata cpuid_class_cpu_notifier =
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.notifier_call = cpuid_class_cpu_callback,
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.notifier_call = cpuid_class_cpu_callback,
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};
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};
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static char *cpuid_nodename(struct device *dev)
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{
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return kasprintf(GFP_KERNEL, "cpu/%u/cpuid", MINOR(dev->devt));
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}
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static int __init cpuid_init(void)
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static int __init cpuid_init(void)
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{
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{
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int i, err = 0;
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int i, err = 0;
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@ -198,6 +203,7 @@ static int __init cpuid_init(void)
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err = PTR_ERR(cpuid_class);
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err = PTR_ERR(cpuid_class);
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goto out_chrdev;
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goto out_chrdev;
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}
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}
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cpuid_class->nodename = cpuid_nodename;
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for_each_online_cpu(i) {
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for_each_online_cpu(i) {
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err = cpuid_device_create(i);
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err = cpuid_device_create(i);
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if (err != 0)
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if (err != 0)
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@ -196,6 +196,11 @@ static struct notifier_block __refdata msr_class_cpu_notifier = {
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.notifier_call = msr_class_cpu_callback,
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.notifier_call = msr_class_cpu_callback,
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};
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};
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static char *msr_nodename(struct device *dev)
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{
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return kasprintf(GFP_KERNEL, "cpu/%u/msr", MINOR(dev->devt));
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}
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static int __init msr_init(void)
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static int __init msr_init(void)
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{
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{
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int i, err = 0;
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int i, err = 0;
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@ -212,6 +217,7 @@ static int __init msr_init(void)
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err = PTR_ERR(msr_class);
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err = PTR_ERR(msr_class);
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goto out_chrdev;
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goto out_chrdev;
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}
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}
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msr_class->nodename = msr_nodename;
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for_each_online_cpu(i) {
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for_each_online_cpu(i) {
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err = msr_device_create(i);
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err = msr_device_create(i);
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if (err != 0)
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if (err != 0)
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