Viresh Kumar <viresh.ku...@linaro.org> writes: > On 19-10-16, 22:06, Robert Jarzmik wrote: >> Viresh Kumar <viresh.ku...@linaro.org> writes: >> >> >> >> + { .compatible = "marvell,pxa250", }, >> >> >> + { .compatible = "marvell,pxa270", }, >> >> >> >> >> >> { .compatible = "samsung,exynos3250", }, >> >> >> { .compatible = "samsung,exynos4210", }, >> >> > >> >> > Isn't there a race between cpufreq-dt and the platform driver to >> >> > register first ? >> >> Ah, could you be more specific about the race you're talking of ? >> >> >> >> My understanding was that cpufreq-dt-platdev does create the device, and >> >> cpufreq-dt is a driver for it, so there is no race but a direct >> >> relationship >> >> AFAIU. >> > >> > I mean that both the driver may try to register to the cpufreq core if >> > they are both compiled in a single image. >> Euh I still don't follow you. The only driver that can register to the >> cpufreq >> core is cpufreq-dt. > > I was wondering on what will happen if both cpufreq-dt and your pxa2xx-cpufreq > driver are present in the same kernel image. In that case the init routines of > both of them will try to call cpufreq_register_driver(). Right.
In my case, cpufreq-dt comes first, and wins. pxa_cpu_init() calls cpufreq_register_driver() and returns -EEXIST. Cheers. -- Robert