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From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: Alexandre Courbot <acourbot@nvidia.com>
Cc: Stephen Warren <swarren@nvidia.com>,
	Thierry Reding <thierry.reding@avionic-design.de>,
	Simon Glass <sjg@chromium.org>,
	Grant Likely <grant.likely@secretlab.ca>,
	Rob Herring <rob.herring@calxeda.com>,
	Mark Brown <broonie@opensource.wolfsonmicro.com>,
	Anton Vorontsov <cbou@mail.ru>,
	David Woodhouse <dwmw2@infradead.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Leela Krishna Amudala <l.krishna@samsung.com>,
	linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-fbdev@vger.kernel.org, devicetree-discuss@lists.ozlabs.org,
	linux-pm@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH v6 0/4] Runtime Interpreted Power Sequences
Date: Thu, 13 Sep 2012 05:50:47 +0000	[thread overview]
Message-ID: <1347515447.7471.12.camel@lappyti> (raw)
In-Reply-To: <1347443867-18868-1-git-send-email-acourbot@nvidia.com>

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On Wed, 2012-09-12 at 18:57 +0900, Alexandre Courbot wrote:
> New revision of the power sequences, taking as usual the feedback that was
> kindly provided about the last version.
> 
> I think now is a good time to discuss integrating this and to start looking for
> a maintainer who would be willing to merge this into his/her tree (I am
> especially thinking about the power framework maintainers, since this is where
> the code is right now. The second patch in this series enables the pwm_backlight
> driver to be used with the device tree, without relying on board-dependent
> callbacks to support complex power sequences. We also plan to use power
> sequences in other Tegra drivers, and other people have expressed interest in
> this work during earlier reviews. See for instance
> 
> https://lists.ozlabs.org/pipermail/devicetree-discuss/2012-August/018532.html
> 
> and
> 
> https://lkml.org/lkml/2012/9/6/270
> 
> There is probably some more details to fix and improve, but the current shape
> should be enough to know if we want this and where - therefore any sign from
> a maintainer would be greatly appreciated!

I want to reiterate my opinion that I think power sequences in DT data
is the wrong way to go. Powering sequences are device specific issues
and should be handled in the device driver. But I also think that power
sequences inside the drivers would probably be useful.

 Tomi


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  parent reply	other threads:[~2012-09-13  5:50 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-12  9:57 [PATCH v6 0/4] Runtime Interpreted Power Sequences Alexandre Courbot
     [not found] ` <1347443867-18868-1-git-send-email-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-09-12  9:57   ` [PATCH v6 1/4] " Alexandre Courbot
2012-09-12 22:07     ` Stephen Warren
2012-09-13  6:02       ` Alex Courbot
2012-09-13 15:44         ` Stephen Warren
     [not found]     ` <1347443867-18868-2-git-send-email-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-09-13  5:45       ` Tomi Valkeinen
2012-09-13  6:08         ` Alex Courbot
2012-09-13  6:22           ` Tomi Valkeinen
2012-09-13  6:36             ` Alex Courbot
2012-09-13  6:54               ` Tomi Valkeinen
2012-09-13  7:00                 ` Sascha Hauer
     [not found]                   ` <20120913070012.GC6180-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-09-13  7:03                     ` Tomi Valkeinen
2012-09-13  7:18                       ` Sascha Hauer
     [not found]                         ` <20120913071829.GE6180-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-09-13  7:27                           ` Tomi Valkeinen
2012-09-13  7:21                       ` Alex Courbot
2012-09-13  7:29                       ` Thierry Reding
2012-09-13  7:50                         ` Sascha Hauer
2012-09-13  8:21                           ` Alex Courbot
2012-09-13  8:26                             ` Thierry Reding
     [not found]                         ` <20120913072920.GA11459-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2012-09-13  8:00                           ` Tomi Valkeinen
2012-09-13  8:32                             ` Thierry Reding
2012-09-13  7:08                 ` Alex Courbot
2012-09-13 15:37                   ` Stephen Warren
2012-09-13  8:09     ` Mark Brown
2012-09-12  9:57   ` [PATCH v6 3/4] tegra: dt: add label to tegra20's PWM Alexandre Courbot
2012-09-12  9:57 ` [PATCH v6 2/4] pwm_backlight: use power sequences Alexandre Courbot
2012-09-12 22:15   ` Stephen Warren
2012-09-12  9:57 ` [PATCH v6 4/4] tegra: ventana: add pwm backlight DT nodes Alexandre Courbot
     [not found]   ` <1347443867-18868-5-git-send-email-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-09-12 21:23     ` Stephen Warren
2012-09-12 21:27 ` [PATCH v6 0/4] Runtime Interpreted Power Sequences Stephen Warren
     [not found]   ` <5050FE28.2080502-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-09-12 21:33     ` Anton Vorontsov
2012-09-13  5:53       ` Alex Courbot
2012-09-13  5:50 ` Tomi Valkeinen [this message]
2012-09-13  6:23   ` Alex Courbot
2012-09-13  6:25     ` Mark Brown
2012-09-13  6:42       ` Alex Courbot
2012-09-13  7:19         ` Mark Brown
2012-09-13  7:26           ` Alex Courbot
2012-09-13  7:29             ` Mark Brown
2012-09-13 15:24               ` Stephen Warren
2012-09-19  3:01                 ` Mark Brown
     [not found]                 ` <5051FAC5.40501-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-10-03  8:24                   ` Alex Courbot
     [not found]                     ` <506BF62F.6040308-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-10-03 15:30                       ` Stephen Warren
2012-09-13  6:42     ` Tomi Valkeinen
2012-09-13  6:48     ` Tomi Valkeinen

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