Re: [PATCH v2 1/2] clocksource: arm_arch_timer: Don't assume clock runs in suspend
From: Marc Zyngier
Date: Thu Oct 13 2016 - 06:21:59 EST
On Tue, 4 Oct 2016 11:12:09 -0700
Brian Norris <briannorris@xxxxxxxxxxxx> wrote:
> The ARM 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@xxxxxxxxxxxx>
Acked-by: Marc Zyngier <marc.zyngier@xxxxxxx>
Jazz is not dead. It just smells funny.