@@ -528,6 +528,10 @@ static int cpufreq_parse_governor(char *str_governor, unsigned int *policy,
CPUFREQ_NAME_LEN)) {
*policy = CPUFREQ_POLICY_POWERSAVE;
err = 0;
+ } else if (!strncasecmp(str_governor, "ondemand",
+ CPUFREQ_NAME_LEN)) {
+ *policy = CPUFREQ_POLICY_ONDEMAND;
+ err = 0;
}
} else {
struct cpufreq_governor *t;
@@ -640,6 +644,8 @@ static ssize_t show_scaling_governor(struct cpufreq_policy *policy, char *buf)
return sprintf(buf, "powersave\n");
else if (policy->policy == CPUFREQ_POLICY_PERFORMANCE)
return sprintf(buf, "performance\n");
+ else if (policy->policy == CPUFREQ_POLICY_ONDEMAND)
+ return sprintf(buf, "ondemand\n");
else if (policy->governor)
return scnprintf(buf, CPUFREQ_NAME_PLEN, "%s\n",
policy->governor->name);
@@ -692,6 +698,8 @@ static ssize_t show_scaling_available_governors(struct cpufreq_policy *policy,
i += sprintf(buf, "performance ");
if (policy->available_policies & CPUFREQ_POLICY_POWERSAVE)
i += sprintf(&buf[i], "powersave ");
+ if (policy->available_policies & CPUFREQ_POLICY_ONDEMAND)
+ i += sprintf(&buf[i], "ondemand ");
goto out;
}
@@ -232,7 +232,7 @@ struct cpufreq_driver {
/* Get available generic policies */
int (*get_available_policies)(u8 *mask);
- /* define one out of two */
+ /* define one out of three */
int (*setpolicy)(struct cpufreq_policy *policy);
/*
@@ -434,6 +434,7 @@ static inline unsigned long cpufreq_scale(unsigned long old, u_int div,
*/
#define CPUFREQ_POLICY_POWERSAVE (1)
#define CPUFREQ_POLICY_PERFORMANCE (2)
+#define CPUFREQ_POLICY_ONDEMAND (4)
/* Governor Events */
#define CPUFREQ_GOV_START 1
Allow ondemand policy as a supported generic policy. Client drivers can enable this policy by using get_available_policies() callback. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> --- drivers/cpufreq/cpufreq.c | 8 ++++++++ include/linux/cpufreq.h | 3 ++- 2 files changed, 10 insertions(+), 1 deletion(-)