From mboxrd@z Thu Jan 1 00:00:00 1970 From: Viresh Kumar Subject: Re: [PATCH v2 1/4] cpufreq: pxa: use generic platdev driver for device-tree Date: Thu, 20 Oct 2016 09:04:35 +0530 Message-ID: <20161020033435.GD11766@vireshk-i7> References: <1476561450-28407-1-git-send-email-robert.jarzmik@free.fr> <1476561450-28407-2-git-send-email-robert.jarzmik@free.fr> <20161018113835.GB11471@vireshk-i7> <87r37d4qlw.fsf@belgarion.home> <20161019135208.GG11471@vireshk-i7> <87bmyg3xzh.fsf@belgarion.home> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <87bmyg3xzh.fsf@belgarion.home> Sender: linux-kernel-owner@vger.kernel.org To: Robert Jarzmik Cc: Daniel Mack , Haojian Zhuang , Rob Herring , Mark Rutland , Rafael Wysocki , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org List-Id: devicetree@vger.kernel.org On 19-10-16, 22:06, Robert Jarzmik wrote: > Viresh Kumar 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(). -- viresh