Re: CPUFreq sysfs interface MIA?

[Greg KH <greg@kroah.com>]

On Wed, May 07, 2003 at 10:36:09AM +1000, Daniel Pittman wrote:
> On Tue, 6 May 2003, Greg KH wrote:
> > On Tue, May 06, 2003 at 05:29:15PM +1000, Daniel Pittman wrote:
> >> 
> >> The content of /sys/devices/sys/cpu0 is:
> >> /sys/devices/sys/cpu0
> >> |-- name
> >> `-- power
> > 
> > What does /sys/class/cpu show?
> 
> /sys/class/cpu
> `-- cpu0
>     `-- device -> ../../../devices/sys/cpu0

Oops, forgot to hook up stuff...  Does the following patch from Jonathan
Corbet fix this?

thanks,

greg k-h


# cpufreq class fix

diff -Nru a/include/linux/cpu.h b/include/linux/cpu.h
--- a/include/linux/cpu.h	Wed May  7 16:29:37 2003
+++ b/include/linux/cpu.h	Wed May  7 16:29:37 2003
@@ -29,6 +29,7 @@
 };
 
 extern int register_cpu(struct cpu *, int, struct node *);
+extern struct class cpu_class;
 
 /* Stop CPUs going up and down. */
 extern struct semaphore cpucontrol;
diff -Nru a/kernel/cpufreq.c b/kernel/cpufreq.c
--- a/kernel/cpufreq.c	Wed May  7 16:29:37 2003
+++ b/kernel/cpufreq.c	Wed May  7 16:29:37 2003
@@ -22,6 +22,7 @@
 #include <linux/spinlock.h>
 #include <linux/device.h>
 #include <linux/slab.h>
+#include <linux/cpu.h>
 
 /**
  * The "cpufreq driver" - the arch- or hardware-dependend low
@@ -115,6 +116,7 @@
 extern struct device_class cpu_devclass;
 
 static struct class_interface cpufreq_interface = {
+        .class =	&cpu_class,
         .add =		&cpufreq_add_dev,
         .remove =	&cpufreq_remove_dev,
 };