From 297a66221d2bed61e7d74d11bf071c7b489fc33d Mon Sep 17 00:00:00 2001 From: Viresh Kumar Date: Fri, 9 Sep 2016 16:48:08 +0530 Subject: cpufreq: dt: Support governor tunables per policy The cpufreq-dt driver is also used for systems with multiple clock/voltage domains for CPUs, i.e. multiple cpufreq policies in a system. And in such cases the platform users may want to enable "governor tunables per policy". Support that via platform data, as not all users of the driver would want that behavior. Reported-by: Juri Lelli Signed-off-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki --- drivers/cpufreq/cpufreq-dt.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/cpufreq/cpufreq-dt.c') diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index 2bd20534155d..5c07ae05d69a 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -25,6 +25,8 @@ #include #include +#include "cpufreq-dt.h" + struct private_data { struct device *cpu_dev; struct thermal_cooling_device *cdev; @@ -353,6 +355,7 @@ static struct cpufreq_driver dt_cpufreq_driver = { static int dt_cpufreq_probe(struct platform_device *pdev) { + struct cpufreq_dt_platform_data *data = dev_get_platdata(&pdev->dev); int ret; /* @@ -366,6 +369,9 @@ static int dt_cpufreq_probe(struct platform_device *pdev) if (ret) return ret; + if (data && data->have_governor_per_policy) + dt_cpufreq_driver.flags |= CPUFREQ_HAVE_GOVERNOR_PER_POLICY; + ret = cpufreq_register_driver(&dt_cpufreq_driver); if (ret) dev_err(&pdev->dev, "failed register driver: %d\n", ret); -- cgit v1.2.1