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From: Rajendra Nayak <rnayak@ti.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Shawn Guo <shawn.guo@freescale.com>,
	patches@linaro.org, tony@atomide.com,
	devicetree-discuss@lists.ozlabs.org,
	linux-kernel@vger.kernel.org, grant.likely@secretlab.ca,
	linux-omap@vger.kernel.org, lrg@ti.com,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 3/5] regulator: helper routine to extract regulator_init_data
Date: Thu, 20 Oct 2011 09:12:10 +0530	[thread overview]
Message-ID: <4E9F9892.9070007@ti.com> (raw)
In-Reply-To: <20111019151031.GA4275@opensource.wolfsonmicro.com>

On Wednesday 19 October 2011 08:40 PM, Mark Brown wrote:
> The problem is that the DT is supposed to be separate to the kernel and
> the decisions can depend on what the kernel is currently capable of.
> When the data is embedded in the kernel it's not an issue as the data is
> attached to the rest of the code, when the data becomes detatched from
> the kernel it becomes an issue.

completely agreed.

>
> I don't see any issue with leaving some things out of the DT bindings;
> you were the one raising that as a concern.

The problem is, that there doesn't seem to be a clean way to embed
*board data* into the kernel with DT, if left out of the DT bindings.
There is the auxdata way of still attaching platform_data, but that I
thought was a stopgap for just handling function pointers.

WARNING: multiple messages have this Message-ID (diff)
From: rnayak@ti.com (Rajendra Nayak)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 3/5] regulator: helper routine to extract regulator_init_data
Date: Thu, 20 Oct 2011 09:12:10 +0530	[thread overview]
Message-ID: <4E9F9892.9070007@ti.com> (raw)
In-Reply-To: <20111019151031.GA4275@opensource.wolfsonmicro.com>

On Wednesday 19 October 2011 08:40 PM, Mark Brown wrote:
> The problem is that the DT is supposed to be separate to the kernel and
> the decisions can depend on what the kernel is currently capable of.
> When the data is embedded in the kernel it's not an issue as the data is
> attached to the rest of the code, when the data becomes detatched from
> the kernel it becomes an issue.

completely agreed.

>
> I don't see any issue with leaving some things out of the DT bindings;
> you were the one raising that as a concern.

The problem is, that there doesn't seem to be a clean way to embed
*board data* into the kernel with DT, if left out of the DT bindings.
There is the auxdata way of still attaching platform_data, but that I
thought was a stopgap for just handling function pointers.

  reply	other threads:[~2011-10-20  3:42 UTC|newest]

Thread overview: 238+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-10 16:19 [PATCH v2 0/5] Device tree support for regulators Rajendra Nayak
2011-10-10 16:19 ` Rajendra Nayak
2011-10-10 16:19 ` Rajendra Nayak
2011-10-10 16:19 ` [PATCH v2 2/5] dt: add empty dt helpers for non-dt build Rajendra Nayak
2011-10-10 16:19   ` Rajendra Nayak
2011-10-10 16:19   ` Rajendra Nayak
2011-10-13 18:32   ` Grant Likely
2011-10-13 18:32     ` Grant Likely
     [not found] ` <1318263578-7407-1-git-send-email-rnayak-l0cyMroinI0@public.gmane.org>
2011-10-10 16:19   ` [PATCH v2 1/5] regulator: twl: Remove hardcoded board constraints from driver Rajendra Nayak
2011-10-10 16:19     ` Rajendra Nayak
2011-10-10 16:19     ` Rajendra Nayak
2011-10-10 16:25     ` Mark Brown
2011-10-10 16:25       ` Mark Brown
2011-10-10 16:34       ` Rajendra Nayak
2011-10-10 16:34         ` Rajendra Nayak
2011-10-10 16:19   ` [PATCH v2 3/5] regulator: helper routine to extract regulator_init_data Rajendra Nayak
2011-10-10 16:19     ` Rajendra Nayak
2011-10-10 16:19     ` Rajendra Nayak
2011-10-10 17:22     ` Mark Brown
2011-10-10 17:22       ` Mark Brown
2011-10-10 17:22       ` Mark Brown
2011-10-11  5:59       ` Rajendra Nayak
2011-10-11  5:59         ` Rajendra Nayak
2011-10-13 18:38         ` Grant Likely
2011-10-13 18:38           ` Grant Likely
2011-10-13 18:38           ` Grant Likely
2011-10-13 22:12           ` Mark Brown
2011-10-13 22:12             ` Mark Brown
2011-10-13 22:12             ` Mark Brown
2011-10-13 18:40     ` Grant Likely
2011-10-13 18:40       ` Grant Likely
2011-10-13 18:40       ` Grant Likely
2011-10-16 14:55     ` Shawn Guo
2011-10-16 14:55       ` Shawn Guo
2011-10-16 14:55       ` Shawn Guo
2011-10-17  4:17       ` Rajendra Nayak
2011-10-17  4:17         ` Rajendra Nayak
2011-10-18 11:58         ` Shawn Guo
2011-10-18 11:58           ` Shawn Guo
2011-10-18 11:58           ` Shawn Guo
     [not found]           ` <20111018115836.GC30703-+NayF8gZjK2ctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2011-10-18 16:00             ` Mark Brown
2011-10-18 16:00               ` Mark Brown
2011-10-18 16:00               ` Mark Brown
2011-10-19  5:33               ` Shawn Guo
2011-10-19  5:33                 ` Shawn Guo
2011-10-19  5:33                 ` Shawn Guo
     [not found]                 ` <20111019053354.GB31162-+NayF8gZjK2ctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2011-10-19 14:47                   ` Mark Brown
2011-10-19 14:47                     ` Mark Brown
2011-10-19 14:47                     ` Mark Brown
2011-10-19 15:04                     ` Shawn Guo
2011-10-19 15:04                       ` Shawn Guo
2011-10-19 15:04                       ` Shawn Guo
2011-10-19 15:10                       ` Mark Brown
2011-10-19 15:10                         ` Mark Brown
2011-10-20  3:42                         ` Rajendra Nayak [this message]
2011-10-20  3:42                           ` Rajendra Nayak
     [not found]                           ` <4E9F9892.9070007-l0cyMroinI0@public.gmane.org>
2011-10-20  9:41                             ` Mark Brown
2011-10-20  9:41                               ` Mark Brown
2011-10-20  9:41                               ` Mark Brown
     [not found]                               ` <20111020094140.GK18713-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2011-10-20 12:10                                 ` Rajendra Nayak
2011-10-20 12:10                                   ` Rajendra Nayak
2011-10-20 12:10                                   ` Rajendra Nayak
2011-10-20 16:27                               ` Tony Lindgren
2011-10-20 16:27                                 ` Tony Lindgren
2011-10-20 16:27                                 ` Tony Lindgren
     [not found]                                 ` <20111020162743.GB31337-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2011-10-20 16:40                                   ` Mark Brown
2011-10-20 16:40                                     ` Mark Brown
2011-10-20 16:40                                     ` Mark Brown
2011-10-20 17:05                                     ` Tony Lindgren
2011-10-20 17:05                                       ` Tony Lindgren
2011-10-20 17:22                                       ` Tony Lindgren
2011-10-20 17:22                                         ` Tony Lindgren
2011-10-20 19:57                                         ` Mark Brown
2011-10-20 19:57                                           ` Mark Brown
2011-10-20 20:10                                           ` Tony Lindgren
2011-10-20 20:10                                             ` Tony Lindgren
2011-10-20 21:42                                             ` Mark Brown
2011-10-20 21:42                                               ` Mark Brown
2011-10-20 22:09                                               ` Tony Lindgren
2011-10-20 22:09                                                 ` Tony Lindgren
2011-10-24  9:07                                         ` Grant Likely
2011-10-24  9:07                                           ` Grant Likely
2011-10-20 19:56                                       ` Mark Brown
2011-10-20 19:56                                         ` Mark Brown
2011-10-18 13:20     ` Shawn Guo
2011-10-18 13:20       ` Shawn Guo
2011-10-18 13:20       ` Shawn Guo
2011-10-19 11:35       ` Rajendra Nayak
2011-10-19 11:35         ` Rajendra Nayak
2011-10-19 11:35         ` Rajendra Nayak
2011-10-19 14:42         ` Shawn Guo
2011-10-19 14:42           ` Shawn Guo
2011-10-19 14:42           ` Shawn Guo
2011-10-19 14:50           ` Mark Brown
2011-10-19 14:50             ` Mark Brown
2011-10-19 14:50             ` Mark Brown
     [not found]           ` <20111019144215.GA32007-+NayF8gZjK2ctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2011-10-20  5:18             ` Rajendra Nayak
2011-10-20  5:18               ` Rajendra Nayak
2011-10-20  5:18               ` Rajendra Nayak
2011-10-20  6:14               ` Shawn Guo
2011-10-20  6:14                 ` Shawn Guo
2011-10-20  6:14                 ` Shawn Guo
2011-10-20 12:09                 ` Rajendra Nayak
2011-10-20 12:09                   ` Rajendra Nayak
2011-10-20 12:09                   ` Rajendra Nayak
2011-10-21  8:23                   ` Shawn Guo
2011-10-21  8:23                     ` Shawn Guo
2011-10-21  8:23                     ` Shawn Guo
2011-10-21  8:41                     ` Rajendra Nayak
2011-10-21  8:41                       ` Rajendra Nayak
2011-10-21 11:58                       ` Shawn Guo
2011-10-21 11:58                         ` Shawn Guo
2011-10-21 11:58                         ` Shawn Guo
2011-10-24  6:02                         ` Rajendra Nayak
2011-10-24  6:02                           ` Rajendra Nayak
2011-10-24  7:34                           ` Mark Brown
2011-10-24  7:34                             ` Mark Brown
2011-10-24  8:17                           ` Grant Likely
2011-10-24  8:17                             ` Grant Likely
2011-10-24  8:17                             ` Grant Likely
2011-10-24  8:53                             ` Rajendra Nayak
2011-10-24  8:53                               ` Rajendra Nayak
2011-10-24  8:53                               ` Rajendra Nayak
2011-10-24  9:19                               ` Mark Brown
2011-10-24  9:19                                 ` Mark Brown
2011-10-24  9:19                                 ` Mark Brown
2011-10-24 10:05                                 ` Rajendra Nayak
2011-10-24 10:05                                   ` Rajendra Nayak
2011-10-24  9:23                               ` Shawn Guo
2011-10-24  9:23                                 ` Shawn Guo
2011-10-24  9:23                                 ` Shawn Guo
2011-10-24  9:02                             ` Shawn Guo
2011-10-24  9:02                               ` Shawn Guo
2011-10-24  9:02                               ` Shawn Guo
2011-10-24  8:56                               ` Rajendra Nayak
2011-10-24  8:56                                 ` Rajendra Nayak
2011-10-24  9:11                                 ` Shawn Guo
2011-10-24  9:11                                   ` Shawn Guo
2011-10-24  9:11                                   ` Shawn Guo
2011-10-24  9:13                                   ` Rajendra Nayak
2011-10-24  9:13                                     ` Rajendra Nayak
2011-10-24 13:47                                     ` Shawn Guo
2011-10-24 13:47                                       ` Shawn Guo
2011-10-24 13:47                                       ` Shawn Guo
2011-10-25  6:00                                       ` Rajendra Nayak
2011-10-25  6:00                                         ` Rajendra Nayak
2011-10-25  6:00                                         ` Rajendra Nayak
2011-10-25  6:26                                         ` Rajendra Nayak
2011-10-25  6:26                                           ` Rajendra Nayak
2011-10-25  6:26                                           ` Rajendra Nayak
2011-10-25  6:52                                         ` Shawn Guo
2011-10-25  6:52                                           ` Shawn Guo
2011-10-25  6:52                                           ` Shawn Guo
     [not found]                                           ` <20111025065216.GD2119-+NayF8gZjK2ctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2011-10-25  6:56                                             ` Rajendra Nayak
2011-10-25  6:56                                               ` Rajendra Nayak
2011-10-25  6:56                                               ` Rajendra Nayak
2011-10-25  7:20                                               ` Shawn Guo
2011-10-25  7:20                                                 ` Shawn Guo
2011-10-25  7:20                                                 ` Shawn Guo
2011-10-25  7:13                                                 ` Rajendra Nayak
2011-10-25  7:13                                                   ` Rajendra Nayak
2011-10-25  7:13                                                   ` Rajendra Nayak
2011-10-25  7:42                                                   ` Shawn Guo
2011-10-25  7:42                                                     ` Shawn Guo
2011-10-25  7:42                                                     ` Shawn Guo
2011-10-24 11:35                                   ` Grant Likely
2011-10-24 11:35                                     ` Grant Likely
2011-10-24  9:24                     ` Grant Likely
2011-10-24  9:24                       ` Grant Likely
2011-10-24  9:24                       ` Grant Likely
2011-10-24  9:39                       ` Mark Brown
2011-10-24  9:39                         ` Mark Brown
2011-10-24 13:04                       ` Shawn Guo
2011-10-24 13:04                         ` Shawn Guo
2011-10-24 13:04                         ` Shawn Guo
2011-10-24 13:06                         ` Mark Brown
2011-10-24 13:06                           ` Mark Brown
2011-10-24 13:40                           ` Shawn Guo
2011-10-24 13:40                             ` Shawn Guo
2011-10-24 13:40                             ` Shawn Guo
2011-10-24 13:49                             ` Mark Brown
2011-10-24 13:49                               ` Mark Brown
2011-10-24 14:47                               ` Shawn Guo
2011-10-24 14:47                                 ` Shawn Guo
2011-10-24 14:47                                 ` Shawn Guo
     [not found]                                 ` <20111024144716.GG1755-+NayF8gZjK2ctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2011-10-25  7:11                                   ` Mark Brown
2011-10-25  7:11                                     ` Mark Brown
2011-10-25  7:11                                     ` Mark Brown
2011-10-24 13:59                             ` Grant Likely
2011-10-24 13:59                               ` Grant Likely
2011-10-24 13:59                               ` Grant Likely
2011-10-24 14:51                               ` Shawn Guo
2011-10-24 14:51                                 ` Shawn Guo
2011-10-24 14:51                                 ` Shawn Guo
2011-10-24 14:56                                 ` Grant Likely
2011-10-24 14:56                                   ` Grant Likely
2011-10-24 15:51                                   ` Shawn Guo
2011-10-24 15:51                                     ` Shawn Guo
2011-10-24 15:51                                     ` Shawn Guo
2011-10-24 22:21                                     ` Grant Likely
2011-10-24 22:21                                       ` Grant Likely
2011-10-24 22:21                                       ` Grant Likely
2011-10-25  6:10                                     ` Rajendra Nayak
2011-10-25  6:10                                       ` Rajendra Nayak
2011-10-25  7:08                                       ` Shawn Guo
2011-10-25  7:08                                         ` Shawn Guo
2011-10-25  7:08                                         ` Shawn Guo
2011-10-25  7:01                                         ` Rajendra Nayak
2011-10-25  7:01                                           ` Rajendra Nayak
2011-10-25  7:01                                           ` Rajendra Nayak
2011-10-25  7:28                                           ` Shawn Guo
2011-10-25  7:28                                             ` Shawn Guo
2011-10-25  7:28                                             ` Shawn Guo
2011-10-10 16:19   ` [PATCH v2 4/5] regulator: adapt fixed regulator driver to dt Rajendra Nayak
2011-10-10 16:19     ` Rajendra Nayak
2011-10-10 16:19     ` Rajendra Nayak
2011-10-13 18:43     ` Grant Likely
2011-10-13 18:43       ` Grant Likely
2011-10-13 18:43       ` Grant Likely
2011-10-10 16:19   ` [PATCH v2 5/5] regulator: map consumer regulator based on device tree Rajendra Nayak
2011-10-10 16:19     ` Rajendra Nayak
2011-10-10 16:19     ` Rajendra Nayak
2011-10-10 17:35     ` Mark Brown
2011-10-10 17:35       ` Mark Brown
2011-10-10 17:35       ` Mark Brown
2011-10-11  5:49       ` Rajendra Nayak
2011-10-11  5:49         ` Rajendra Nayak
2011-10-11  7:08       ` Nayak, Rajendra
2011-10-11  7:08         ` Nayak, Rajendra
2011-10-11  7:08         ` Nayak, Rajendra
     [not found]         ` <CACYZBRFmLEY_f1UwJa5U9uj8+NVA-WfUVkiuW1yKrpwnrA_00A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-10-13 16:52           ` Mark Brown
2011-10-13 16:52             ` Mark Brown
2011-10-13 16:52             ` Mark Brown
2011-10-13 18:46         ` Grant Likely
2011-10-13 18:46           ` Grant Likely
2011-10-18 13:33     ` Shawn Guo
2011-10-18 13:33       ` Shawn Guo
2011-10-18 13:33       ` Shawn Guo

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