This Linux kernel change "cpufreq: imx6q: Register an Energy Model" is included in the Linux 5.1 release. This change is authored by Yangtao Li <tiny.windzz [at] gmail.com> on Wed Feb 6 23:34:20 2019 -0500. The commit for this change in Linux stable tree is 3ad63a6 (patch).
cpufreq: imx6q: Register an Energy Model Try and register an Energy Model from imx6q-cpufreq to allow interested subsystems like the task scheduler to use the provided information. Signed-off-by: Yangtao Li <firstname.lastname@example.org> Signed-off-by: Viresh Kumar <email@example.com>
There is one line of Linux source code added/deleted in this change. Code changes to Linux kernel are as follows.
drivers/cpufreq/imx6q-cpufreq.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 9fedf62..73bfd5b 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -210,6 +210,7 @@ static int imx6q_cpufreq_init(struct cpufreq_policy *policy) policy->clk = clks[ARM].clk; ret = cpufreq_generic_init(policy, freq_table, transition_latency); policy->suspend_freq = max_freq; + dev_pm_opp_of_register_em(policy->cpus); return ret; }