On Mon, Oct 7, 2019 at 3:17 PM Anand Moon <linux.amoon@xxxxxxxxx> 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 Martin