Re: [PATCH AUTOSEL for 4.4 062/115] ARM: dts: rockchip: disable arm-global-timer for rk3188
Hello, Sasha! Following 2 patches must be applied together with the patch: 5e0a39d0f727b35c8b7ef56ba0724c8ceb006297 clocksource/drivers/rockchip_timer: Implement clocksource timer 627988a66aee3c845aa2f1f874a3ddba8adb89d9 ARM: dts: rockchip: Add timer entries to rk3188 SoC Alexander. > 4 марта 2018 г., в 1:31, Sasha Levin> написал(а): > > From: Alexander Kochetkov > > [ Upstream commit 500d0aa918a2ea6bb918fee8adcf27dc2912bcd1 ] > > The clocksource and the sched_clock provided by the arm_global_timer > are quite unstable because their rates depend on the cpu frequency. > > On the other side, the arm_global_timer has a higher rating than the > rockchip_timer, it will be selected by default by the time framework > while we want to use the stable rockchip clocksource. > > Let's disable the arm_global_timer in order to have the rockchip > clocksource selected by default. > > Signed-off-by: Alexander Kochetkov > Signed-off-by: Daniel Lezcano > Reviewed-by: Heiko Stuebner > Signed-off-by: Sasha Levin > --- > arch/arm/boot/dts/rk3188.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/rk3188.dtsi b/arch/arm/boot/dts/rk3188.dtsi > index 6399942f1840..0e5142b6e914 100644 > --- a/arch/arm/boot/dts/rk3188.dtsi > +++ b/arch/arm/boot/dts/rk3188.dtsi > @@ -513,6 +513,7 @@ > > _timer { > interrupts = ; > + status = "disabled"; > }; > > _timer { > -- > 2.14.1
Re: [PATCH AUTOSEL for 4.4 062/115] ARM: dts: rockchip: disable arm-global-timer for rk3188
Hello, Sasha! Following 2 patches must be applied together with the patch: 5e0a39d0f727b35c8b7ef56ba0724c8ceb006297 clocksource/drivers/rockchip_timer: Implement clocksource timer 627988a66aee3c845aa2f1f874a3ddba8adb89d9 ARM: dts: rockchip: Add timer entries to rk3188 SoC Alexander. > 4 марта 2018 г., в 1:31, Sasha Levin > написал(а): > > From: Alexander Kochetkov > > [ Upstream commit 500d0aa918a2ea6bb918fee8adcf27dc2912bcd1 ] > > The clocksource and the sched_clock provided by the arm_global_timer > are quite unstable because their rates depend on the cpu frequency. > > On the other side, the arm_global_timer has a higher rating than the > rockchip_timer, it will be selected by default by the time framework > while we want to use the stable rockchip clocksource. > > Let's disable the arm_global_timer in order to have the rockchip > clocksource selected by default. > > Signed-off-by: Alexander Kochetkov > Signed-off-by: Daniel Lezcano > Reviewed-by: Heiko Stuebner > Signed-off-by: Sasha Levin > --- > arch/arm/boot/dts/rk3188.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/rk3188.dtsi b/arch/arm/boot/dts/rk3188.dtsi > index 6399942f1840..0e5142b6e914 100644 > --- a/arch/arm/boot/dts/rk3188.dtsi > +++ b/arch/arm/boot/dts/rk3188.dtsi > @@ -513,6 +513,7 @@ > > _timer { > interrupts = ; > + status = "disabled"; > }; > > _timer { > -- > 2.14.1