On Monday 29 Jun 2020 at 15:24:23 (+0530), Viresh Kumar wrote: > On 29-06-20, 10:50, Quentin Perret wrote: > > On Monday 29 Jun 2020 at 10:48:25 (+0100), Quentin Perret wrote: > > > On Monday 29 Jun 2020 at 15:16:27 (+0530), Viresh Kumar wrote: > > > > On 29-06-20, 10:44, Quentin Perret wrote: > > > > > On Monday 29 Jun 2020 at 13:55:00 (+0530), Viresh Kumar wrote: > > > > > > static int __init cpufreq_core_init(void) > > > > > > { > > > > > > + struct cpufreq_governor *gov = cpufreq_default_governor(); > > > > > > + > > > > > > if (cpufreq_disabled()) > > > > > > return -ENODEV; > > > > > > > > > > > > cpufreq_global_kobject = kobject_create_and_add("cpufreq", &cpu_subsys.dev_root->kobj); > > > > > > BUG_ON(!cpufreq_global_kobject); > > > > > > > > > > > > + if (!strlen(default_governor)) > > > > > > > > > > Should we test '!strlen(default_governor) && gov' here actually? > > > > > We check the return value of cpufreq_default_governor() in > > > > > cpufreq_init_policy(), so I'm guessing we should do the same here to be > > > > > on the safe side. > > > > > > > > With the current setup (the Kconfig option being a choice which > > > > selects one governor at least), it is not possible for gov to be NULL > > > > here. And so I didn't worry about it :) > > > > > > Right, so should we remove the check in cpufreq_init_policy() then? > > > I don't mind either way as long as we are consitent :) > > > > And actually maybe we should remove the weakly defined > > cpufreq_default_governor() implementation too? That'd make sure we get a > > link-time error if for some reason things change in the Kconfig options. > > That would be fine I believe. I will do all that in a separate patch > then and let this series go through with no more changes :) OK, that works for me. Thanks! Quentin