#define DEVFREQ_GOV_SUSPEND 0x4
#define DEVFREQ_GOV_RESUME 0x5
+#define DEVFREQ_MIN_FREQ 0
+#define DEVFREQ_MAX_FREQ ULONG_MAX
+
/**
* struct devfreq_governor - Devfreq policy governor
* @node: list node - contains registered devfreq governors
unsigned int dfso_upthreshold = DFSO_UPTHRESHOLD;
unsigned int dfso_downdifferential = DFSO_DOWNDIFFERENCTIAL;
struct devfreq_simple_ondemand_data *data = df->data;
- unsigned long max = (df->max_freq) ? df->max_freq : UINT_MAX;
err = devfreq_update_stats(df);
if (err)
/* Assume MAX if it is going to be divided by zero */
if (stat->total_time == 0) {
- *freq = max;
+ *freq = DEVFREQ_MAX_FREQ;
return 0;
}
/* Set MAX if it's busy enough */
if (stat->busy_time * 100 >
stat->total_time * dfso_upthreshold) {
- *freq = max;
+ *freq = DEVFREQ_MAX_FREQ;
return 0;
}
/* Set MAX if we do not know the initial frequency */
if (stat->current_frequency == 0) {
- *freq = max;
+ *freq = DEVFREQ_MAX_FREQ;
return 0;
}
b = div_u64(b, (dfso_upthreshold - dfso_downdifferential / 2));
*freq = (unsigned long) b;
- if (df->min_freq && *freq < df->min_freq)
- *freq = df->min_freq;
- if (df->max_freq && *freq > df->max_freq)
- *freq = df->max_freq;
-
return 0;
}
{
struct userspace_data *data = df->data;
- if (data->valid) {
- unsigned long adjusted_freq = data->user_frequency;
-
- if (df->max_freq && adjusted_freq > df->max_freq)
- adjusted_freq = df->max_freq;
-
- if (df->min_freq && adjusted_freq < df->min_freq)
- adjusted_freq = df->min_freq;
-
- *freq = adjusted_freq;
- } else {
+ if (data->valid)
+ *freq = data->user_frequency;
+ else
*freq = df->previous_freq; /* No user freq specified yet */
- }
+
return 0;
}