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authorKay Sievers <kay.sievers@vrfy.org>2009-04-30 15:23:42 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2009-06-15 21:30:25 -0700
commit07e9bb8eebb04c81323cbd3eabf07a3f6f05b204 (patch)
tree45054dee75c6b6c3fab5eb6be1f14c6f720995ce /arch/x86/kernel/msr.c
parentb03f38b685e2e1db174fb8982930e789a516f414 (diff)
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>
Diffstat (limited to 'arch/x86/kernel/msr.c')
-rw-r--r--arch/x86/kernel/msr.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 3cf3413ec62..98fd6cd4e3a 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -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)