diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cpufreq/vexpress-spc-cpufreq.c | 69 |
1 files changed, 14 insertions, 55 deletions
diff --git a/drivers/cpufreq/vexpress-spc-cpufreq.c b/drivers/cpufreq/vexpress-spc-cpufreq.c index 3eaeefea66b9..132610424747 100644 --- a/drivers/cpufreq/vexpress-spc-cpufreq.c +++ b/drivers/cpufreq/vexpress-spc-cpufreq.c @@ -84,9 +84,6 @@ static unsigned int find_cluster_maxfreq(int cluster) max_freq = cpu_freq; } - pr_debug("%s: cluster: %d, max freq: %d\n", __func__, cluster, - max_freq); - return max_freq; } @@ -99,22 +96,15 @@ static unsigned int clk_get_cpu_rate(unsigned int cpu) if (is_bL_switching_enabled()) rate = VIRT_FREQ(cur_cluster, rate); - pr_debug("%s: cpu: %d, cluster: %d, freq: %u\n", __func__, cpu, - cur_cluster, rate); - return rate; } static unsigned int ve_spc_cpufreq_get_rate(unsigned int cpu) { - if (is_bL_switching_enabled()) { - pr_debug("%s: freq: %d\n", __func__, per_cpu(cpu_last_req_freq, - cpu)); - + if (is_bL_switching_enabled()) return per_cpu(cpu_last_req_freq, cpu); - } else { + else return clk_get_cpu_rate(cpu); - } } static unsigned int @@ -137,9 +127,6 @@ ve_spc_cpufreq_set_rate(u32 cpu, u32 old_cluster, u32 new_cluster, u32 rate) new_rate = rate; } - pr_debug("%s: cpu: %d, old cluster: %d, new cluster: %d, freq: %d\n", - __func__, cpu, old_cluster, new_cluster, new_rate); - ret = clk_set_rate(clk[new_cluster], new_rate * 1000); if (!ret) { /* @@ -155,8 +142,6 @@ ve_spc_cpufreq_set_rate(u32 cpu, u32 old_cluster, u32 new_cluster, u32 rate) } if (WARN_ON(ret)) { - pr_err("clk_set_rate failed: %d, new cluster: %d\n", ret, - new_cluster); if (bLs) { per_cpu(cpu_last_req_freq, cpu) = prev_rate; per_cpu(physical_cluster, cpu) = old_cluster; @@ -171,9 +156,6 @@ ve_spc_cpufreq_set_rate(u32 cpu, u32 old_cluster, u32 new_cluster, u32 rate) /* Recalc freq for old cluster when switching clusters */ if (old_cluster != new_cluster) { - pr_debug("%s: cpu: %d, old cluster: %d, new cluster: %d\n", - __func__, cpu, old_cluster, new_cluster); - /* Switch cluster */ bL_switch_request(cpu, new_cluster); @@ -183,13 +165,10 @@ ve_spc_cpufreq_set_rate(u32 cpu, u32 old_cluster, u32 new_cluster, u32 rate) new_rate = find_cluster_maxfreq(old_cluster); new_rate = ACTUAL_FREQ(old_cluster, new_rate); - if (new_rate) { - pr_debug("%s: Updating rate of old cluster: %d, to freq: %d\n", - __func__, old_cluster, new_rate); - - if (clk_set_rate(clk[old_cluster], new_rate * 1000)) - pr_err("%s: clk_set_rate failed: %d, old cluster: %d\n", - __func__, ret, old_cluster); + if (new_rate && + clk_set_rate(clk[old_cluster], new_rate * 1000)) { + pr_err("%s: clk_set_rate failed: %d, old cluster: %d\n", + __func__, ret, old_cluster); } mutex_unlock(&cluster_lock[old_cluster]); } @@ -283,8 +262,6 @@ static int merge_cluster_tables(void) j++) { table[k].frequency = VIRT_FREQ(i, freq_table[i][j].frequency); - pr_debug("%s: index: %d, freq: %d\n", __func__, k, - table[k].frequency); k++; } } @@ -292,8 +269,6 @@ static int merge_cluster_tables(void) table[k].driver_data = k; table[k].frequency = CPUFREQ_TABLE_END; - pr_debug("%s: End, table: %p, count: %d\n", __func__, table, k); - return 0; } @@ -307,7 +282,6 @@ static void _put_cluster_clk_and_freq_table(struct device *cpu_dev, clk_put(clk[cluster]); dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table[cluster]); - dev_dbg(cpu_dev, "%s: cluster: %d\n", __func__, cluster); } static void put_cluster_clk_and_freq_table(struct device *cpu_dev, @@ -324,10 +298,9 @@ static void put_cluster_clk_and_freq_table(struct device *cpu_dev, for_each_present_cpu(i) { struct device *cdev = get_cpu_device(i); - if (!cdev) { - pr_err("%s: failed to get cpu%d device\n", __func__, i); + + if (!cdev) return; - } _put_cluster_clk_and_freq_table(cdev, cpumask); } @@ -354,19 +327,12 @@ static int _get_cluster_clk_and_freq_table(struct device *cpu_dev, goto out; ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table[cluster]); - if (ret) { - dev_err(cpu_dev, "%s: failed to init cpufreq table, cpu: %d, err: %d\n", - __func__, cpu_dev->id, ret); + if (ret) goto out; - } clk[cluster] = clk_get(cpu_dev, NULL); - if (!IS_ERR(clk[cluster])) { - dev_dbg(cpu_dev, "%s: clk: %p & freq table: %p, cluster: %d\n", - __func__, clk[cluster], freq_table[cluster], - cluster); + if (!IS_ERR(clk[cluster])) return 0; - } dev_err(cpu_dev, "%s: Failed to get clk for cpu: %d, cluster: %d\n", __func__, cpu_dev->id, cluster); @@ -401,10 +367,9 @@ static int get_cluster_clk_and_freq_table(struct device *cpu_dev, */ for_each_present_cpu(i) { struct device *cdev = get_cpu_device(i); - if (!cdev) { - pr_err("%s: failed to get cpu%d device\n", __func__, i); + + if (!cdev) return -ENODEV; - } ret = _get_cluster_clk_and_freq_table(cdev, cpumask); if (ret) @@ -419,18 +384,14 @@ static int get_cluster_clk_and_freq_table(struct device *cpu_dev, clk_big_min = get_table_min(freq_table[0]); clk_little_max = VIRT_FREQ(1, get_table_max(freq_table[1])); - pr_debug("%s: cluster: %d, clk_big_min: %d, clk_little_max: %d\n", - __func__, cluster, clk_big_min, clk_little_max); - return 0; put_clusters: for_each_present_cpu(i) { struct device *cdev = get_cpu_device(i); - if (!cdev) { - pr_err("%s: failed to get cpu%d device\n", __func__, i); + + if (!cdev) return -ENODEV; - } _put_cluster_clk_and_freq_table(cdev, cpumask); } @@ -500,8 +461,6 @@ static int ve_spc_cpufreq_exit(struct cpufreq_policy *policy) } put_cluster_clk_and_freq_table(cpu_dev, policy->related_cpus); - dev_dbg(cpu_dev, "%s: Exited, cpu: %d\n", __func__, policy->cpu); - return 0; } |