[PATCH V3 4/8] cpufreq: ondemand: Don't keep a copy of freq_table pointer

[Viresh Kumar]

There is absolutely no need to keep a copy to the freq-table in 'struct
od_policy_dbs_info'. Use policy->freq_table instead.

Signed-off-by: Viresh Kumar <viresh.ku...@linaro.org>
---
 drivers/cpufreq/amd_freq_sensitivity.c |  7 +++----
 drivers/cpufreq/cpufreq_ondemand.c     | 22 +++++++++++-----------
 drivers/cpufreq/cpufreq_ondemand.h     |  1 -
 3 files changed, 14 insertions(+), 16 deletions(-)

diff --git a/drivers/cpufreq/amd_freq_sensitivity.c 
b/drivers/cpufreq/amd_freq_sensitivity.c
index 404360cad25c..bc86816693a8 100644
--- a/drivers/cpufreq/amd_freq_sensitivity.c
+++ b/drivers/cpufreq/amd_freq_sensitivity.c
@@ -48,9 +48,8 @@ static unsigned int amd_powersave_bias_target(struct 
cpufreq_policy *policy,
        struct policy_dbs_info *policy_dbs = policy->governor_data;
        struct dbs_data *od_data = policy_dbs->dbs_data;
        struct od_dbs_tuners *od_tuners = od_data->tuners;
-       struct od_policy_dbs_info *od_info = to_dbs_info(policy_dbs);
 
-       if (!od_info->freq_table)
+       if (!policy->freq_table)
                return freq_next;
 
        rdmsr_on_cpu(policy->cpu, MSR_AMD64_FREQ_SENSITIVITY_ACTUAL,
@@ -93,9 +92,9 @@ static unsigned int amd_powersave_bias_target(struct 
cpufreq_policy *policy,
                        unsigned int index;
 
                        cpufreq_frequency_table_target(policy,
-                               od_info->freq_table, policy->cur - 1,
+                               policy->freq_table, policy->cur - 1,
                                CPUFREQ_RELATION_H, &index);
-                       freq_next = od_info->freq_table[index].frequency;
+                       freq_next = policy->freq_table[index].frequency;
                }
 
                data->freq_prev = freq_next;
diff --git a/drivers/cpufreq/cpufreq_ondemand.c 
b/drivers/cpufreq/cpufreq_ondemand.c
index 4d2fe2710c5d..528353f204fd 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -71,28 +71,29 @@ static unsigned int generic_powersave_bias_target(struct 
cpufreq_policy *policy,
        struct od_policy_dbs_info *dbs_info = to_dbs_info(policy_dbs);
        struct dbs_data *dbs_data = policy_dbs->dbs_data;
        struct od_dbs_tuners *od_tuners = dbs_data->tuners;
+       struct cpufreq_frequency_table *freq_table = policy->freq_table;
 
-       if (!dbs_info->freq_table) {
+       if (!freq_table) {
                dbs_info->freq_lo = 0;
                dbs_info->freq_lo_delay_us = 0;
                return freq_next;
        }
 
-       cpufreq_frequency_table_target(policy, dbs_info->freq_table, freq_next,
-                       relation, &index);
-       freq_req = dbs_info->freq_table[index].frequency;
+       cpufreq_frequency_table_target(policy, freq_table, freq_next, relation,
+                                      &index);
+       freq_req = freq_table[index].frequency;
        freq_reduc = freq_req * od_tuners->powersave_bias / 1000;
        freq_avg = freq_req - freq_reduc;
 
        /* Find freq bounds for freq_avg in freq_table */
        index = 0;
-       cpufreq_frequency_table_target(policy, dbs_info->freq_table, freq_avg,
-                       CPUFREQ_RELATION_H, &index);
-       freq_lo = dbs_info->freq_table[index].frequency;
+       cpufreq_frequency_table_target(policy, freq_table, freq_avg,
+                                      CPUFREQ_RELATION_H, &index);
+       freq_lo = freq_table[index].frequency;
        index = 0;
-       cpufreq_frequency_table_target(policy, dbs_info->freq_table, freq_avg,
-                       CPUFREQ_RELATION_L, &index);
-       freq_hi = dbs_info->freq_table[index].frequency;
+       cpufreq_frequency_table_target(policy, freq_table, freq_avg,
+                                      CPUFREQ_RELATION_L, &index);
+       freq_hi = freq_table[index].frequency;
 
        /* Find out how long we have to be in hi and lo freqs */
        if (freq_hi == freq_lo) {
@@ -113,7 +114,6 @@ static void ondemand_powersave_bias_init(struct 
cpufreq_policy *policy)
 {
        struct od_policy_dbs_info *dbs_info = 
to_dbs_info(policy->governor_data);
 
-       dbs_info->freq_table = policy->freq_table;
        dbs_info->freq_lo = 0;
 }
 
diff --git a/drivers/cpufreq/cpufreq_ondemand.h 
b/drivers/cpufreq/cpufreq_ondemand.h
index f0121db3cd9e..640ea4e97106 100644
--- a/drivers/cpufreq/cpufreq_ondemand.h
+++ b/drivers/cpufreq/cpufreq_ondemand.h
@@ -13,7 +13,6 @@
 
 struct od_policy_dbs_info {
        struct policy_dbs_info policy_dbs;
-       struct cpufreq_frequency_table *freq_table;
        unsigned int freq_lo;
        unsigned int freq_lo_delay_us;
        unsigned int freq_hi_delay_us;
-- 
2.7.1.410.g6faf27b