Re: [PATCH 3/8] cpufreq: imx6q: Use auto-registration for energy model

From: Lukasz Luba
Date: Tue Aug 10 2021 - 06:21:55 EST




On 8/10/21 8:36 AM, Viresh Kumar wrote:
Use the CPUFREQ_REGISTER_WITH_EM flag to allow cpufreq core to
automatically register with the energy model.

This allows removal of boiler plate code from the driver and fixes the
unregistration part as well.

Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
---
drivers/cpufreq/imx6q-cpufreq.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
index 5bf5fc759881..aa8df5b468d7 100644
--- a/drivers/cpufreq/imx6q-cpufreq.c
+++ b/drivers/cpufreq/imx6q-cpufreq.c
@@ -192,14 +192,14 @@ static int imx6q_cpufreq_init(struct cpufreq_policy *policy)
policy->clk = clks[ARM].clk;
cpufreq_generic_init(policy, freq_table, transition_latency);
policy->suspend_freq = max_freq;
- dev_pm_opp_of_register_em(cpu_dev, policy->cpus);
return 0;
}
static struct cpufreq_driver imx6q_cpufreq_driver = {
.flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK |
- CPUFREQ_IS_COOLING_DEV,
+ CPUFREQ_IS_COOLING_DEV |
+ CPUFREQ_REGISTER_WITH_EM,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = imx6q_set_target,
.get = cpufreq_generic_get,


Reviewed-by: Lukasz Luba <lukasz.luba@xxxxxxx>