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From: Rob Herring <robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
Cc: Joseph Lo <josephl-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
	John Stultz <john.stultz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH] clocksource: tegra: enable arch_timer
Date: Wed, 03 Apr 2013 16:34:24 -0500	[thread overview]
Message-ID: <515CA060.7030100@gmail.com> (raw)
In-Reply-To: <515C7363.4040404-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>

On 04/03/2013 01:22 PM, Stephen Warren wrote:
> On 04/03/2013 07:28 AM, Rob Herring wrote:
>> On 04/03/2013 06:32 AM, Joseph Lo wrote:
>>> Architected timer is the local timer for Cortex-A15. Adding the support
>>> for Tegra.
>>>
>>> Cc: John Stultz <john.stultz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
>>> Cc: Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
>>> Signed-off-by: Joseph Lo <josephl-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
>>
>> My patch series to add CLOCKSOURCE_OF_DECLARE support to arch timer and
>> sched_clock enhancements will make this unnecessary:
>>
>> http://www.spinics.net/lists/arm-kernel/msg234597.html
>>
>> Testing would be appreciated.
> 
> Joseph (or Rob), what's the benefit of this change; what works with it
> and/or what breaks without it?

I assume you mean Joseph's change. Well, it enables local timers on A15.
But mine will too for Tegra if you have the arch timer in the dtb.

> Rob, if I did apply this change, and you also apply that series of
> yours, what is the result: compile-time breakage, run-time breakage,
> just some redundant code that needs to be removed again?

Compile-time breakage as the functions called here are being removed.

Rob

WARNING: multiple messages have this Message-ID (diff)
From: robherring2@gmail.com (Rob Herring)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] clocksource: tegra: enable arch_timer
Date: Wed, 03 Apr 2013 16:34:24 -0500	[thread overview]
Message-ID: <515CA060.7030100@gmail.com> (raw)
In-Reply-To: <515C7363.4040404@wwwdotorg.org>

On 04/03/2013 01:22 PM, Stephen Warren wrote:
> On 04/03/2013 07:28 AM, Rob Herring wrote:
>> On 04/03/2013 06:32 AM, Joseph Lo wrote:
>>> Architected timer is the local timer for Cortex-A15. Adding the support
>>> for Tegra.
>>>
>>> Cc: John Stultz <john.stultz@linaro.org>
>>> Cc: Thomas Gleixner <tglx@linutronix.de>
>>> Signed-off-by: Joseph Lo <josephl@nvidia.com>
>>
>> My patch series to add CLOCKSOURCE_OF_DECLARE support to arch timer and
>> sched_clock enhancements will make this unnecessary:
>>
>> http://www.spinics.net/lists/arm-kernel/msg234597.html
>>
>> Testing would be appreciated.
> 
> Joseph (or Rob), what's the benefit of this change; what works with it
> and/or what breaks without it?

I assume you mean Joseph's change. Well, it enables local timers on A15.
But mine will too for Tegra if you have the arch timer in the dtb.

> Rob, if I did apply this change, and you also apply that series of
> yours, what is the result: compile-time breakage, run-time breakage,
> just some redundant code that needs to be removed again?

Compile-time breakage as the functions called here are being removed.

Rob

  parent reply	other threads:[~2013-04-03 21:34 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-03 11:32 [PATCH] clocksource: tegra: enable arch_timer Joseph Lo
2013-04-03 11:32 ` Joseph Lo
     [not found] ` <1364988750-25058-1-git-send-email-josephl-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-04-03 13:28   ` Rob Herring
2013-04-03 13:28     ` Rob Herring
     [not found]     ` <515C2E8F.1030802-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-04-03 18:22       ` Stephen Warren
2013-04-03 18:22         ` Stephen Warren
     [not found]         ` <515C7363.4040404-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-04-03 21:34           ` Rob Herring [this message]
2013-04-03 21:34             ` Rob Herring
     [not found]             ` <515CA060.7030100-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-04-03 22:48               ` Stephen Warren
2013-04-03 22:48                 ` Stephen Warren
     [not found]                 ` <515CB1A6.6090308-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-04-04 10:28                   ` Joseph Lo
2013-04-04 10:28                     ` Joseph Lo

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