From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anand Moon Subject: Re: [RFCv1 5/5] arm64/ARM: configs: Change CONFIG_PWM_MESON from m to y Date: Tue, 8 Oct 2019 12:49:46 +0530 Message-ID: References: <20191007131649.1768-1-linux.amoon@gmail.com> <20191007131649.1768-6-linux.amoon@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Martin Blumenstingl Cc: Rob Herring , Mark Rutland , Kevin Hilman , Jerome Brunet , Neil Armstrong , Catalin Marinas , Will Deacon , devicetree , linux-arm-kernel , linux-amlogic@lists.infradead.org, Linux Kernel List-Id: devicetree@vger.kernel.org Hi Martin. On Tue, 8 Oct 2019 at 01:40, Martin Blumenstingl wrote: > > On Mon, Oct 7, 2019 at 3:17 PM Anand Moon wrote: > [...] > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > > index c9a867ac32d4..72f6a7dca0d6 100644 > > --- a/arch/arm64/configs/defconfig > > +++ b/arch/arm64/configs/defconfig > > @@ -774,7 +774,7 @@ CONFIG_MPL3115=m > > CONFIG_PWM=y > > CONFIG_PWM_BCM2835=m > > CONFIG_PWM_CROS_EC=m > > -CONFIG_PWM_MESON=m > > +CONFIG_PWM_MESON=y > some time ago I submitted a similar patch for the 32-bit SoCs > it turned that that pwm-meson can be built as module because the > kernel will run without CPU DVFS as long as the clock and regulator > drivers are returning -EPROBE_DEFER (-517) > > did you check whether there's some other problem like some unused > clock which is being disabled at that moment? > I've been hunting weird problems in the past where it turned out that > changing kernel config bits changed the boot timing - that masked the > original problem OK. > > > Martin Sorry for linking this two separate issue PWM failed and microSD detect failed. Thanks for the input, I will check if you patch help, I will try to investigate more why it fails at my end. Best Regards -Anand