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Groups > linux.kernel > #1528844
| From | Rob Herring <robh@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 1/4] clocksource/drivers/arm_arch_timer: Don't assume clock runs in suspend |
| Date | 2016-11-24 00:10 +0100 |
| Message-ID | <sGOPU-2P9-33@gated-at.bofh.it> (permalink) |
| References | <sGfSa-5nS-9@gated-at.bofh.it> <sGfSa-5nS-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Nov 22, 2016 at 10:44:21AM +0100, Daniel Lezcano wrote: > From: Brian Norris <briannorris@chromium.org> > > The ARM specifies that the system counter "must be implemented in an > always-on power domain," and so we try to use the counter as a source of > timekeeping across suspend/resume. Unfortunately, some SoCs (e.g., > Rockchip's RK3399) do not keep the counter ticking properly when > switched from their high-power clock to the lower-power clock used in > system suspend. Support this quirk by adding a new device tree property. > > Signed-off-by: Brian Norris <briannorris@chromium.org> > Reviewed-by: Douglas Anderson <dianders@chromium.org> > Acked-by: Marc Zyngier <marc.zyngier@arm.com> > Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> > --- > Documentation/devicetree/bindings/arm/arch_timer.txt | 5 +++++ Acked-by: Rob Herring <robh@kernel.org> > drivers/clocksource/arm_arch_timer.c | 9 ++++++++- > 2 files changed, 13 insertions(+), 1 deletion(-)
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[PATCH 1/4] clocksource/drivers/arm_arch_timer: Don't assume clock runs in suspend Daniel Lezcano <daniel.lezcano@linaro.org> - 2016-11-22 10:50 +0100
[PATCH 2/4] arm64: dts: rockchip: Arch counter doesn't tick in system suspend Daniel Lezcano <daniel.lezcano@linaro.org> - 2016-11-22 10:50 +0100
Re: [PATCH 2/4] arm64: dts: rockchip: Arch counter doesn't tick in system suspend Heiko Stübner <heiko@sntech.de> - 2016-11-22 16:10 +0100
Re: [PATCH 1/4] clocksource/drivers/arm_arch_timer: Don't assume clock runs in suspend Rob Herring <robh@kernel.org> - 2016-11-24 00:10 +0100
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