summaryrefslogtreecommitdiff
path: root/drivers/cpufreq
diff options
context:
space:
mode:
authorViresh Kumar <viresh.kumar@linaro.org>2015-01-27 11:36:09 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-02-04 01:28:01 +0300
commitf7b2706117bc4459cd748352cbe4ae69a41c8ed6 (patch)
tree2ce6b30de221cff2f149fa7f108d74c53ec7dc22 /drivers/cpufreq
parentb4f0676fe20da6abe4577cf960862bed7a31647e (diff)
downloadlinux-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.c10
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;