ANDROID: uid_cputime: skip power reporting per uid for now

AOSP's cpufreq_stats patch to report power/current
per cpufreq is broken at the moment so skip power
reporting for now.

Change-Id: I07779511f51ff3a9303dc98a3b71ac0a5882a4e9
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
diff --git a/drivers/misc/uid_cputime.c b/drivers/misc/uid_cputime.c
index c751188..c1ad524 100644
--- a/drivers/misc/uid_cputime.c
+++ b/drivers/misc/uid_cputime.c
@@ -38,8 +38,6 @@
 	cputime_t stime;
 	cputime_t active_utime;
 	cputime_t active_stime;
-	unsigned long long active_power;
-	unsigned long long power;
 	struct hlist_node hash;
 };
 
@@ -85,7 +83,6 @@
 	hash_for_each(hash_table, bkt, uid_entry, hash) {
 		uid_entry->active_stime = 0;
 		uid_entry->active_utime = 0;
-		uid_entry->active_power = 0;
 	}
 
 	read_lock(&tasklist_lock);
@@ -100,15 +97,9 @@
 				task_uid(task)));
 			return -ENOMEM;
 		}
-		/* if this task is exiting, we have already accounted for the
-		 * time and power.
-		 */
-		if (task->cpu_power == ULLONG_MAX)
-			continue;
 		task_cputime_adjusted(task, &utime, &stime);
 		uid_entry->active_utime += utime;
 		uid_entry->active_stime += stime;
-		uid_entry->active_power += task->cpu_power;
 	} while_each_thread(temp, task);
 	read_unlock(&tasklist_lock);
 
@@ -117,14 +108,11 @@
 							uid_entry->active_utime;
 		cputime_t total_stime = uid_entry->stime +
 							uid_entry->active_stime;
-		unsigned long long total_power = uid_entry->power +
-							uid_entry->active_power;
-		seq_printf(m, "%d: %llu %llu %llu\n", uid_entry->uid,
+		seq_printf(m, "%d: %llu %llu\n", uid_entry->uid,
 			(unsigned long long)jiffies_to_msecs(
 				cputime_to_jiffies(total_utime)) * USEC_PER_MSEC,
 			(unsigned long long)jiffies_to_msecs(
-				cputime_to_jiffies(total_stime)) * USEC_PER_MSEC,
-			total_power);
+				cputime_to_jiffies(total_stime)) * USEC_PER_MSEC);
 	}
 
 	mutex_unlock(&uid_lock);
@@ -218,8 +206,6 @@
 	task_cputime_adjusted(task, &utime, &stime);
 	uid_entry->utime += utime;
 	uid_entry->stime += stime;
-	uid_entry->power += task->cpu_power;
-	task->cpu_power = ULLONG_MAX;
 
 exit:
 	mutex_unlock(&uid_lock);