From: "Heiko Stübner" <heiko@sntech.de>
To: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org,
Brian Norris <briannorris@chromium.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Douglas Anderson <dianders@chromium.org>,
Caesar Wang <wxt@rock-chips.com>,
Shawn Lin <shawn.lin@rock-chips.com>,
Xing Zheng <zhengxing@rock-chips.com>,
Jianqun Xu <jay.xu@rock-chips.com>,
Elaine Zhang <zhangqing@rock-chips.com>,
David Wu <david.wu@rock-chips.com>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
"moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)"
<linux-arm-kernel@lists.infradead.org>,
"open list:ARM/Rockchip SoC support"
<linux-rockchip@lists.infradead.org>
Subject: Re: [PATCH 2/4] arm64: dts: rockchip: Arch counter doesn't tick in system suspend
Date: Tue, 22 Nov 2016 16:02:41 +0100 [thread overview]
Message-ID: <6410694.RN5yFFi4kR@diego> (raw)
In-Reply-To: <1479807866-6957-2-git-send-email-daniel.lezcano@linaro.org>
Am Dienstag, 22. November 2016, 10:44:22 schrieb Daniel Lezcano:
> From: Brian Norris <briannorris@chromium.org>
>
> The "arm,no-tick-in-suspend" property was introduced to note
> implementations where the system counter does not quite follow the ARM
> specification that it "must be implemented in an always-on power
> domain".
>
> Particularly, RK3399's counter stops ticking when we switch from the
> 24MHz clock to the 32KHz clock in low-power suspend, so let's mark it as
> such.
>
> Signed-off-by: Brian Norris <briannorris@chromium.org>
> Reviewed-by: Douglas Anderson <dianders@chromium.org>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
not sure if needed, but anyway
Acked-by: Heiko Stuebner <heiko@sntech.de>
> ---
> arch/arm64/boot/dts/rockchip/rk3399.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index b65c193..d85b651 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> @@ -174,6 +174,7 @@
> <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW 0>,
> <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW 0>,
> <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW 0>;
> + arm,no-tick-in-suspend;
> };
>
> xin24m: xin24m {
next prev parent reply other threads:[~2016-11-22 15:03 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-22 9:43 [GIT PULL] clockevents for 4.10 Daniel Lezcano
2016-11-22 9:44 ` [PATCH 1/4] clocksource/drivers/arm_arch_timer: Don't assume clock runs in suspend Daniel Lezcano
2016-11-22 9:44 ` [PATCH 2/4] arm64: dts: rockchip: Arch counter doesn't tick in system suspend Daniel Lezcano
2016-11-22 15:02 ` Heiko Stübner [this message]
2016-11-22 9:44 ` [PATCH 3/4] clocksource/drivers/arm_arch_timer: Map frame with of_io_request_and_map() Daniel Lezcano
2016-11-22 9:44 ` [PATCH 4/4] clocksource/drivers/bcm2835_timer: Unmap region obtained by of_iomap Daniel Lezcano
2016-11-23 23:07 ` [PATCH 1/4] clocksource/drivers/arm_arch_timer: Don't assume clock runs in suspend Rob Herring
2016-11-22 9:51 ` [GIT PULL] clockevents for 4.10 Ingo Molnar
2016-11-22 9:57 ` Daniel Lezcano
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