Message-ID: <20130130195236.GS7717@titan.lakedaemon.net>
Date:	Wed, 30 Jan 2013 14:52:36 -0500
From:	Jason Cooper <jason@...edaemon.net>
To:	Gregory CLEMENT <gregory.clement@...e-electrons.com>,
	John Stultz <johnstul@...ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>
Cc:	Andrew Lunn <andrew@...n.ch>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Russell King <linux@....linux.org.uk>,
	Lior Amsalem <alior@...vell.com>,
	Ike Pan <ike.pan@...onical.com>,
	Nadav Haklai <nadavh@...vell.com>,
	David Marlin <dmarlin@...hat.com>,
	Yehuda Yitschak <yehuday@...vell.com>,
	Jani Monoses <jani.monoses@...onical.com>,
	Tawfik Bayouk <tawfik@...vell.com>,
	Dan Frazier <dann.frazier@...onical.com>,
	Eran Ben-Avi <benavi@...vell.com>,
	Leif Lindholm <leif.lindholm@....com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Arnd Bergmann <arnd@...db.de>, Jon Masters <jcm@...hat.com>,
	devicetree-discuss@...ts.ozlabs.org,
	linux-arm-kernel@...ts.infradead.org,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Chris Van Hoof <vanhoof@...onical.com>,
	Nicolas Pitre <nico@...xnic.net>, linux-kernel@...r.kernel.org,
	Maen Suleiman <maen@...vell.com>,
	Shadi Ammouri <shadi@...vell.com>,
	Olof Johansson <olof@...om.net>
Subject: Re: [PATCH v2 0/5] arm: mvebu: add support for local timer for
 Armada 370/XP

Thomas Gleixner, John Stultz,

I'm getting close to pulling this series in through arm-soc.  Would you
prefer to take the clocksource patches through your tree, or provide an
Acked-by and I can take them through mvebu/arm-soc?

I'm comfortable with either, if you decide to take them, please let me
know which tree and branch you put them in so I can properly depend on
them.

thx,

Jason.

On Fri, Jan 25, 2013 at 06:32:40PM +0100, Gregory CLEMENT wrote:
> Hello,
> 
> The Armada XP SoCs comes with private timers. This allows us to use
> local timers through CONFIG_LOCAL_TIMERS and as stated in the kconfig
> help, it prevents a "thundering herd" at every timer tick.
> 
> Armada 370 also have these private timers, and even if it comes only
> with a single CPU, the feature is also enabled for this SoC to keep
> the code generic.
> 
> In order to be able to use the local timer, I also had to add the
> support for the per-CPU interrupts.
> 
> There are not many changes since the first version (see the changelog
> below), I hope it means that everybody is happy with this patch
> set. If it is, so please could you give your acked-by. I especially
> expect the acked-by from John Stultz then I will feel more comfortable
> to ask Jason to pull it.
> 
> This patch set is based on 3.8-rc4 and is obviously 3.9 material. The
> git branch called local_timer is available at:
> https://github.com/MISL-EBU-System-SW/mainline-public.git.
> 
> Thanks,
> 
> Changelog:
> V1->V2:
>  - Fixed unneeded empty line and wrong indentation.
>  - Made percpu_armada_370_xp_evt a static variable
>  - Removed the patch "arm: kconfig: don't select TWD with local timer
>    for Armada 370/XP" from the series. There is still some improvement
>    possible in this area, but this patch set not depends on it.
> 
> Gregory CLEMENT (5):
>   arm: mvebu: Add support for local interrupt
>   clocksource: time-armada-370-xp: add local timer support
>   arm: mvebu: update defconfig with local timer support
>   arm: mvebu: update DT to support local timers
>   clocksource: update and move armada-370-xp-timer documentation to
>     timer directory
> 
>  .../bindings/arm/armada-370-xp-timer.txt           |   12 --
>  .../bindings/timer/marvell,armada-370-xp-timer.txt |   15 ++
>  arch/arm/boot/dts/armada-370-xp.dtsi               |    5 +-
>  arch/arm/configs/mvebu_defconfig                   |    1 -
>  arch/arm/mach-mvebu/irq-armada-370-xp.c            |   15 +-
>  drivers/clocksource/time-armada-370-xp.c           |  150 +++++++++++++++-----
>  6 files changed, 141 insertions(+), 57 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/arm/armada-370-xp-timer.txt
>  create mode 100644 Documentation/devicetree/bindings/timer/marvell,armada-370-xp-timer.txt
> 
> -- 
> 1.7.9.5
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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