From: Yangtao Li <tiny.windzz@gmail.com>
Date: Thu, 7 Feb 2019 04:35:50 +0000 (-0500)
Subject: cpufreq: OMAP: Register an Energy Model
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a9a744dd5b82843a9c99d9f97794fb51bc2ed8dd;p=linux.git

cpufreq: OMAP: Register an Energy Model

Try and register an Energy Model from omap-cpufreq.c to allow
interested subsystems like the task scheduler to use the provided
information.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---

diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index 71e81bbf031b2..68052b74d28fc 100644
--- a/drivers/cpufreq/omap-cpufreq.c
+++ b/drivers/cpufreq/omap-cpufreq.c
@@ -133,8 +133,10 @@ static int omap_cpu_init(struct cpufreq_policy *policy)
 
 	/* FIXME: what's the actual transition time? */
 	result = cpufreq_generic_init(policy, freq_table, 300 * 1000);
-	if (!result)
+	if (!result) {
+		dev_pm_opp_of_register_em(policy->cpus);
 		return 0;
+	}
 
 	freq_table_free();
 fail: