Exemplo n.º 1
0
/* make sure that only the "userspace" governor is run -- anything else wouldn't make sense on
 * this platform, anyway.
 */
int sa11x0_verify_speed(struct cpufreq_policy *policy)
{
    unsigned int tmp;
    if (policy->cpu)
        return -EINVAL;

    cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, policy->cpuinfo.max_freq);

    /* make sure that at least one frequency is within the policy */
    tmp = cclk_frequency_100khz[sa11x0_freq_to_ppcr(policy->min)] * 100;
    if (tmp > policy->max)
        policy->max = tmp;

    cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, policy->cpuinfo.max_freq);

    return 0;
}
Exemplo n.º 2
0
/*
 * Validate the speed in khz.  If we can't generate the precise
 * frequency requested, round it down (to be on the safe side).
 */
unsigned int sa11x0_validatespeed(unsigned int khz)
{
	return cclk_frequency_100khz[sa11x0_freq_to_ppcr(khz)] * 100;
}