diff options
| author | Viresh Kumar <viresh.kumar@linaro.org> | 2015-01-27 11:36:09 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-02-04 01:28:01 +0300 |
| commit | f7b2706117bc4459cd748352cbe4ae69a41c8ed6 (patch) | |
| tree | 2ce6b30de221cff2f149fa7f108d74c53ec7dc22 /drivers/cpufreq | |
| parent | b4f0676fe20da6abe4577cf960862bed7a31647e (diff) | |
| download | linux-f7b2706117bc4459cd748352cbe4ae69a41c8ed6.tar.xz | |
cpufreq: Create for_each_governor()
To make code more readable and less error prone, lets create a helper macro for
iterating over all available governors.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Saravana Kannan <skannan@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index baa238fbadc1..28e59a48b35f 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -37,6 +37,11 @@ static LIST_HEAD(cpufreq_policy_list); #define for_each_policy(__policy) \ list_for_each_entry(__policy, &cpufreq_policy_list, policy_list) +/* Iterate over governors */ +static LIST_HEAD(cpufreq_governor_list); +#define for_each_governor(__governor) \ + list_for_each_entry(__governor, &cpufreq_governor_list, governor_list) + /** * The "cpufreq driver" - the arch- or hardware-dependent low * level driver of CPUFreq support, and its spinlock. This lock @@ -99,7 +104,6 @@ void disable_cpufreq(void) { off = 1; } -static LIST_HEAD(cpufreq_governor_list); static DEFINE_MUTEX(cpufreq_governor_mutex); bool have_governor_per_policy(void) @@ -434,7 +438,7 @@ static struct cpufreq_governor *find_governor(const char *str_governor) { struct cpufreq_governor *t; - list_for_each_entry(t, &cpufreq_governor_list, governor_list) + for_each_governor(t) if (!strncasecmp(str_governor, t->name, CPUFREQ_NAME_LEN)) return t; @@ -636,7 +640,7 @@ static ssize_t show_scaling_available_governors(struct cpufreq_policy *policy, goto out; } - list_for_each_entry(t, &cpufreq_governor_list, governor_list) { + for_each_governor(t) { if (i >= (ssize_t) ((PAGE_SIZE / sizeof(char)) - (CPUFREQ_NAME_LEN + 2))) goto out; |