From: Marc Zyngier <marc.zyngier@arm.com>
To: Brian Norris <briannorris@chromium.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>,
Heiko Stuebner <heiko@sntech.de>,
Mark Rutland <mark.rutland@arm.com>,
Stephen Boyd <sboyd@codeaurora.org>,
linux-rockchip@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Douglas Anderson <dianders@chromium.org>,
Caesar Wang <wxt@rock-chips.com>,
Rob Herring <robh+dt@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>
Subject: Re: [PATCH v2 1/2] clocksource: arm_arch_timer: Don't assume clock runs in suspend
Date: Thu, 13 Oct 2016 11:21:40 +0100 [thread overview]
Message-ID: <20161013112140.6f71fec7@arm.com> (raw)
In-Reply-To: <1475604730-140264-1-git-send-email-briannorris@chromium.org>
On Tue, 4 Oct 2016 11:12:09 -0700
Brian Norris <briannorris@chromium.org> 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@chromium.org>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
M.
--
Jazz is not dead. It just smells funny.
next prev parent reply other threads:[~2016-10-13 10:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-04 18:12 [PATCH v2 1/2] clocksource: arm_arch_timer: Don't assume clock runs in suspend Brian Norris
2016-10-04 22:14 ` Doug Anderson
2016-10-13 10:21 ` Marc Zyngier [this message]
[not found] ` <1475604730-140264-1-git-send-email-briannorris-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2016-10-04 18:12 ` [PATCH v2 2/2] arm64: dts: rockchip: arch counter doesn't tick in system suspend Brian Norris
2016-10-04 22:14 ` Doug Anderson
2016-10-13 12:25 ` [PATCH v2 1/2] clocksource: arm_arch_timer: Don't assume clock runs in suspend Daniel Lezcano
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20161013112140.6f71fec7@arm.com \
--to=marc.zyngier@arm.com \
--cc=briannorris@chromium.org \
--cc=catalin.marinas@arm.com \
--cc=daniel.lezcano@linaro.org \
--cc=dianders@chromium.org \
--cc=heiko@sntech.de \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rockchip@lists.infradead.org \
--cc=mark.rutland@arm.com \
--cc=robh+dt@kernel.org \
--cc=sboyd@codeaurora.org \
--cc=tglx@linutronix.de \
--cc=will.deacon@arm.com \
--cc=wxt@rock-chips.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox