| Message ID | 1380573873-14448-3-git-send-email-aaro.koskinen@iki.fi (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Headers | show |
diff --git a/drivers/cpufreq/pmac64-cpufreq.c b/drivers/cpufreq/pmac64-cpufreq.c index 46ae223..0196d60 100644 --- a/drivers/cpufreq/pmac64-cpufreq.c +++ b/drivers/cpufreq/pmac64-cpufreq.c @@ -647,8 +647,10 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpunode) g5_cpu_freqs[0].frequency = max_freq; g5_cpu_freqs[1].frequency = min_freq; + /* Based on a measurement on Xserve G5, rounded up. */ + transition_latency = 10 * NSEC_PER_MSEC; + /* Set callbacks */ - transition_latency = CPUFREQ_ETERNAL; g5_switch_volt = g5_pfunc_switch_volt; g5_switch_freq = g5_pfunc_switch_freq; g5_query_freq = g5_pfunc_query_freq;
Currently cpufreq ondemand governor cannot used on older G5 models, because the transition latency is set to CPUFREQ_ETERNAL. Provide a value based on a measurement on Xserve G5, which happens to be also the highest allowed latency. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> --- drivers/cpufreq/pmac64-cpufreq.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)