mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Soren Brinkmann <soren.brinkmann@xilinx.com>
To: Daniel Lezcano <daniel.lezcano@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>
Cc: "Rob Herring" <rob.herring@calxeda.com>,
	"Pawel Moll" <pawel.moll@arm.com>,
	"Mark Rutland" <mark.rutland@arm.com>,
	"Stephen Warren" <swarren@wwwdotorg.org>,
	"Ian Campbell" <ijc+devicetree@hellion.org.uk>,
	"Russell King" <linux@arm.linux.org.uk>,
	"Michal Simek" <michal.simek@xilinx.com>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	"Sören Brinkmann" <soren.brinkmann@xilinx.com>
Subject: [PATCH 0/2] clockevents
Date: Mon,  9 Dec 2013 16:34:44 -0800	[thread overview]
Message-ID: <1386635686-15686-1-git-send-email-soren.brinkmann@xilinx.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1312071151340.30673@ionos.tec.linutronix.de>

Hi Thomas,

before respinning the complete series, I thought we could take a look at
the changes to the timer core, since I expect them to need to be refined
for an actual submission.

The first patch is the patch you proposed to serialize callers of
clockevents_update_freq(). I guess you may find some better words to
describe your changes. I found it not that easy to find a nice
description for somebody else's patch.

The second patch is my shot at extending clockevents_update_freq()
to also handle timers in periodic mode. In my approach I assume that
simply calling the timer's 'set_mode()' API takes care of programming an
appropriate interval based on the current timer frequency. If that
doesn't work for all timers, I guess it would require a new API call. Or
I just missed some other way.

	Thanks,
	Sören

Soren Brinkmann (2):
  time: Serialize calls to 'clockevents_update_freq' in the timing core
  time: clockevents: Adjust timer interval when frequency changes

 kernel/time/clockevents.c    | 32 +++++++++++++++++++++++++-------
 kernel/time/tick-broadcast.c | 25 +++++++++++++++++++------
 kernel/time/tick-internal.h  |  4 ++++
 3 files changed, 48 insertions(+), 13 deletions(-)

-- 
1.8.5.1


  reply	other threads:[~2013-12-10  0:35 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-27  1:04 [PATCH v2 0/9] arm: zynq: Add support for cpufreq Soren Brinkmann
2013-11-27  1:04 ` [PATCH v2 1/9] arm: dt: zynq: Remove 'clock-ranges' from TTC nodes Soren Brinkmann
2013-12-12  8:53   ` Michal Simek
2013-12-12 17:01     ` Sören Brinkmann
2013-12-12 19:07       ` Michal Simek
2013-11-27  1:04 ` [PATCH v2 2/9] arm: dt: zynq: Add 'cpus' node Soren Brinkmann
2013-11-27  1:04 ` [PATCH v2 3/9] clocksource/cadence_ttc: Store timer frequency in driver data Soren Brinkmann
2013-12-17 19:21   ` Sören Brinkmann
2013-12-18 14:53     ` Daniel Lezcano
2013-12-18 16:47       ` Sören Brinkmann
2013-12-18 21:58         ` Daniel Lezcano
2013-12-19 18:32           ` Sören Brinkmann
2013-12-19 20:53             ` Daniel Lezcano
2013-12-19 21:23               ` Sören Brinkmann
2013-12-19 21:39                 ` Daniel Lezcano
2013-11-27  1:04 ` [PATCH v2 4/9] clocksource/cadence_ttc: Use enable/disable_irq Soren Brinkmann
2013-11-28 11:55   ` Daniel Lezcano
2013-11-28 14:18     ` Thomas Gleixner
2013-11-28 18:36       ` Sören Brinkmann
2013-11-28 19:07         ` Thomas Gleixner
2013-12-06 22:47           ` Sören Brinkmann
2013-12-07 10:56             ` Thomas Gleixner
2013-12-10  0:34               ` Soren Brinkmann [this message]
2013-12-10  0:34                 ` [PATCH 1/2] time: Serialize calls to 'clockevents_update_freq' in the timing core Soren Brinkmann
2013-12-11 14:32                   ` Daniel Lezcano
2013-12-11 20:09                     ` Sören Brinkmann
2013-12-12 12:07                       ` Daniel Lezcano
2013-12-10  0:34                 ` [PATCH 2/2] time: clockevents: Adjust timer interval when frequency changes Soren Brinkmann
2013-11-27  1:04 ` [PATCH v2 5/9] clocksource/cadence_ttc: Adjust interval in clock notifier Soren Brinkmann
2013-12-12 12:15   ` Daniel Lezcano
2013-12-12 18:44     ` Sören Brinkmann
2013-11-27  1:04 ` [PATCH v2 6/9] clocksource/cadence_ttc: Overhaul clocksource frequency adjustment Soren Brinkmann
2013-11-27  1:04 ` [PATCH v2 7/9] clocksource/cadence_ttc: Use only one counter Soren Brinkmann
2013-11-27  1:04 ` [PATCH v2 8/9] arm: zynq: Don't use arm_global_timer with cpufreq Soren Brinkmann
2013-11-27  1:04 ` [PATCH v2 9/9] arm: zynq: Add support for cpufreq Soren Brinkmann

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=1386635686-15686-1-git-send-email-soren.brinkmann@xilinx.com \
    --to=soren.brinkmann@xilinx.com \
    --cc=daniel.lezcano@linaro.org \
    --cc=devicetree@vger.kernel.org \
    --cc=ijc+devicetree@hellion.org.uk \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@arm.linux.org.uk \
    --cc=mark.rutland@arm.com \
    --cc=michal.simek@xilinx.com \
    --cc=pawel.moll@arm.com \
    --cc=rob.herring@calxeda.com \
    --cc=swarren@wwwdotorg.org \
    --cc=tglx@linutronix.de \
    /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

all inboxes | Powered by JetHome®