On Thu, Jan 10, 2019 at 11:42 AM Viresh Kumar <viresh.ku...@linaro.org> wrote:
>
> On 10-01-19, 05:30, Amit Kucheria wrote:
> > Signed-off-by: Amit Kucheria <amit.kuche...@linaro.org>
> > ---
> > drivers/cpufreq/qcom-cpufreq-hw.c | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c
> > b/drivers/cpufreq/qcom-cpufreq-hw.c
> > index 649dddd72749..1c01311e5927 100644
> > --- a/drivers/cpufreq/qcom-cpufreq-hw.c
> > +++ b/drivers/cpufreq/qcom-cpufreq-hw.c
> > @@ -5,6 +5,7 @@
> >
> > #include <linux/bitfield.h>
> > #include <linux/cpufreq.h>
> > +#include <linux/cpu_cooling.h>
> > #include <linux/init.h>
> > #include <linux/kernel.h>
> > #include <linux/module.h>
> > @@ -216,7 +217,10 @@ static int qcom_cpufreq_hw_cpu_init(struct
> > cpufreq_policy *policy)
> > static int qcom_cpufreq_hw_cpu_exit(struct cpufreq_policy *policy)
> > {
> > void __iomem *base = policy->driver_data - REG_PERF_STATE;
> > + struct thermal_cooling_device *cdev = policy->cooldev;
> >
> > + if (cdev)
> > + cpufreq_cooling_unregister(cdev);
> > kfree(policy->freq_table);
> > devm_iounmap(&global_pdev->dev, base);
> >
> > @@ -238,6 +242,7 @@ static struct cpufreq_driver cpufreq_qcom_hw_driver = {
> > .init = qcom_cpufreq_hw_cpu_init,
> > .exit = qcom_cpufreq_hw_cpu_exit,
> > .fast_switch = qcom_cpufreq_hw_fast_switch,
> > + .ready = generic_cpufreq_ready,
> > .name = "qcom-cpufreq-hw",
> > .attr = qcom_cpufreq_hw_attr,
> > };
>
> I liked the idea of reducing code duplication, but not much the
> implementation. All we were able to get rid of was a call to
> of_cpufreq_cooling_register() and nothing else. Is it worth it ?
>
> Maybe we can add another flag in cpufreq.h:
>
> #define CPUFREQ_AUTO_REGISTER_COOLING_DEV (1 << 7)
>
> and let the core do it all automatically by itself, that will get rid
> of code duplication actually.
I like the idea of a flag. I'll spin something implementing it in the next rev.
> @Rafael: What do you say ?
