From 55d852931319d2e3ccde86cd426405231ce6c6ac Mon Sep 17 00:00:00 2001 From: Viresh Kumar Date: Tue, 25 Apr 2017 15:57:15 +0530 Subject: cpufreq: create cpufreq_table_count_valid_entries() We need such a routine at two places already, lets create one. Signed-off-by: Viresh Kumar Reviewed-by: Lukasz Luba Tested-by: Lukasz Luba Signed-off-by: Eduardo Valentin --- drivers/thermal/cpu_cooling.c | 22 +++++++++------------- 1 file changed, 9 insertions(+), 13 deletions(-) (limited to 'drivers/thermal') diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 58e58065b650..55ff45c1e917 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -739,7 +739,6 @@ __cpufreq_cooling_register(struct device_node *np, struct thermal_cooling_device *cdev; struct cpufreq_cooling_device *cpufreq_cdev; char dev_name[THERMAL_NAME_LENGTH]; - struct cpufreq_frequency_table *pos, *table; unsigned int freq, i, num_cpus; int ret; struct thermal_cooling_device_ops *cooling_ops; @@ -750,9 +749,10 @@ __cpufreq_cooling_register(struct device_node *np, return ERR_PTR(-EINVAL); } - table = policy->freq_table; - if (!table) { - pr_debug("%s: CPUFreq table not found\n", __func__); + i = cpufreq_table_count_valid_entries(policy); + if (!i) { + pr_debug("%s: CPUFreq table not found or has no valid entries\n", + __func__); return ERR_PTR(-ENODEV); } @@ -777,20 +777,16 @@ __cpufreq_cooling_register(struct device_node *np, goto free_time_in_idle; } - /* Find max levels */ - cpufreq_for_each_valid_entry(pos, table) - cpufreq_cdev->max_level++; + /* max_level is an index, not a counter */ + cpufreq_cdev->max_level = i - 1; - cpufreq_cdev->freq_table = kmalloc(sizeof(*cpufreq_cdev->freq_table) * - cpufreq_cdev->max_level, GFP_KERNEL); + cpufreq_cdev->freq_table = kmalloc(sizeof(*cpufreq_cdev->freq_table) * i, + GFP_KERNEL); if (!cpufreq_cdev->freq_table) { cdev = ERR_PTR(-ENOMEM); goto free_time_in_idle_timestamp; } - /* max_level is an index, not a counter */ - cpufreq_cdev->max_level--; - cpumask_copy(&cpufreq_cdev->allowed_cpus, policy->related_cpus); if (capacitance) { @@ -816,7 +812,7 @@ __cpufreq_cooling_register(struct device_node *np, /* Fill freq-table in descending order of frequencies */ for (i = 0, freq = -1; i <= cpufreq_cdev->max_level; i++) { - freq = find_next_max(table, freq); + freq = find_next_max(policy->freq_table, freq); cpufreq_cdev->freq_table[i] = freq; /* Warn for duplicate entries */ -- cgit v1.2.3