[PATCH] Remove cpu_sys_devices in cpufreq subsystem.

cpu_sys_devices is redundant with the new API get_cpu_sysdev().  So nuking
this usage since its not needed.

Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Dave Jones <davej@codemonkey.org.uk>
Cc: Zwane Mwaikambo <zwane@holomorphy.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 13 deletions

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 109d62ccf651..346906a96e8b 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -36,13 +36,6 @@ static struct cpufreq_policy	*cpufreq_cpu_data[NR_CPUS];
 static DEFINE_SPINLOCK(cpufreq_driver_lock);
 
 
-/* we keep a copy of all ->add'ed CPU's struct sys_device here;
- * as it is only accessed in ->add and ->remove, no lock or reference
- * count is necessary.
- */
-static struct sys_device        *cpu_sys_devices[NR_CPUS];
-
-
 /* internal prototypes */
 static int __cpufreq_governor(struct cpufreq_policy *policy, unsigned int event);
 static void handle_update(void *data);
@@ -582,7 +575,6 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
          * CPU because it is in the same boat. */
         policy = cpufreq_cpu_get(cpu);
         if (unlikely(policy)) {
-                cpu_sys_devices[cpu] = sys_dev;
                 dprintk("CPU already managed, adding link\n");
                 sysfs_create_link(&sys_dev->kobj, &policy->kobj, "cpufreq");
                 cpufreq_debug_enable_ratelimit();
@@ -657,7 +649,6 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
         }
 
         module_put(cpufreq_driver->owner);
-        cpu_sys_devices[cpu] = sys_dev;
         dprintk("initialization complete\n");
         cpufreq_debug_enable_ratelimit();
         
@@ -698,6 +689,7 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev)
         unsigned int cpu = sys_dev->id;
         unsigned long flags;
         struct cpufreq_policy *data;
+        struct sys_device *cpu_sys_dev;
 #ifdef CONFIG_SMP
         unsigned int j;
 #endif
@@ -710,7 +702,6 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev)
 
         if (!data) {
                 spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
-                cpu_sys_devices[cpu] = NULL;
                 cpufreq_debug_enable_ratelimit();
                 return -EINVAL;
         }
@@ -725,14 +716,12 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev)
                 dprintk("removing link\n");
                 spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
                 sysfs_remove_link(&sys_dev->kobj, "cpufreq");
-                cpu_sys_devices[cpu] = NULL;
                 cpufreq_cpu_put(data);
                 cpufreq_debug_enable_ratelimit();
                 return 0;
         }
 #endif
 
-        cpu_sys_devices[cpu] = NULL;
 
         if (!kobject_get(&data->kobj)) {
                 spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
@@ -761,7 +750,8 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev)
                         if (j == cpu)
                                 continue;
                         dprintk("removing link for cpu %u\n", j);
-                        sysfs_remove_link(&cpu_sys_devices[j]->kobj, "cpufreq");
+                        cpu_sys_dev = get_cpu_sysdev(j);
+                        sysfs_remove_link(&cpu_sys_dev->kobj, "cpufreq");
                         cpufreq_cpu_put(data);
                 }
         }