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From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
Cc: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Olof Johansson <olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: ACPI vs DT at runtime
Date: Thu, 21 Nov 2013 18:53:18 +0000	[thread overview]
Message-ID: <20131121185318.GG8120@sirena.org.uk> (raw)
In-Reply-To: <20131121162944.F087FC406A3-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>

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On Thu, Nov 21, 2013 at 04:29:44PM +0000, Grant Likely wrote:

> We are pushing a lot of boundaries and doing things on ACPI that have
> never been done before. SPI, GPIOs, Clocks, Regulators, composite
> devices, key-value properties. All brand new territory, and the Linux
> world is driving a lot of it.

Indeed, and at a subsystem and platform independent driver level we do
have the x86 embedded platforms working with ACPI right now so Linux is
going to need to cope with some of this regardless of what people end up
doing for ARM servers - Intel are sending me patches for ACPI support in
ASoC for example.

> Personally, I think the issue of ACPI support should be taken on a
> patch-by-patch basis. A lot of the things that need to be done are quite
> discrete and fairly well contained. If the patches don't look that way
> then push back on them. For the parts that look ready, go ahead and
> merge it. Push back on the ones that don't.

+1.

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WARNING: multiple messages have this Message-ID (diff)
From: broonie@kernel.org (Mark Brown)
To: linux-arm-kernel@lists.infradead.org
Subject: ACPI vs DT at runtime
Date: Thu, 21 Nov 2013 18:53:18 +0000	[thread overview]
Message-ID: <20131121185318.GG8120@sirena.org.uk> (raw)
In-Reply-To: <20131121162944.F087FC406A3@trevor.secretlab.ca>

On Thu, Nov 21, 2013 at 04:29:44PM +0000, Grant Likely wrote:

> We are pushing a lot of boundaries and doing things on ACPI that have
> never been done before. SPI, GPIOs, Clocks, Regulators, composite
> devices, key-value properties. All brand new territory, and the Linux
> world is driving a lot of it.

Indeed, and at a subsystem and platform independent driver level we do
have the x86 embedded platforms working with ACPI right now so Linux is
going to need to cope with some of this regardless of what people end up
doing for ARM servers - Intel are sending me patches for ACPI support in
ASoC for example.

> Personally, I think the issue of ACPI support should be taken on a
> patch-by-patch basis. A lot of the things that need to be done are quite
> discrete and fairly well contained. If the patches don't look that way
> then push back on them. For the parts that look ready, go ahead and
> merge it. Push back on the ones that don't.

+1.
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  parent reply	other threads:[~2013-11-21 18:53 UTC|newest]

Thread overview: 186+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-15  1:44 ACPI vs DT at runtime Olof Johansson
2013-11-15  1:44 ` Olof Johansson
2013-11-15  9:57 ` Mark Rutland
2013-11-15  9:57   ` Mark Rutland
     [not found]   ` <20131115175241. GB27174@quad.lixom.net>
     [not found]   ` <20131115095717.GC1709-NuALmloUBlrZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org>
2013-11-15 17:52     ` Olof Johansson
2013-11-15 17:52       ` Olof Johansson
2013-11-15 18:13       ` David Goodenough
2013-11-21 16:15         ` Grant Likely
2013-11-18 17:47       ` Jon Masters
2013-11-18 17:47         ` Jon Masters
     [not found]       ` <20131115175241.GB27174-O5ziIzlqnXUVNXGz7ipsyg@public.gmane.org>
2013-11-15 18:08         ` Russell King - ARM Linux
2013-11-15 18:08           ` Russell King - ARM Linux
     [not found]           ` <20131115180832.GR16735-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-11-15 18:42             ` Olof Johansson
2013-11-15 18:42               ` Olof Johansson
2013-11-15 19:56             ` Arnd Bergmann
2013-11-15 19:56               ` Arnd Bergmann
     [not found]               ` <201311152056.47846.arnd-r2nGTMty4D4@public.gmane.org>
2013-11-15 23:21                 ` Russell King - ARM Linux
2013-11-15 23:21                   ` Russell King - ARM Linux
     [not found]                   ` <20131115232109.GT16735-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-11-18 15:05                     ` Arnd Bergmann
2013-11-18 15:05                       ` Arnd Bergmann
     [not found]                       ` <201311181605.37300.arnd-r2nGTMty4D4@public.gmane.org>
2013-11-18 15:19                         ` Russell King - ARM Linux
2013-11-18 15:19                           ` Russell King - ARM Linux
2013-11-18 15:46                           ` Arnd Bergmann
2013-11-18 15:46                             ` Arnd Bergmann
2013-11-21 16:10                         ` Grant Likely
2013-11-21 16:10                           ` Grant Likely
     [not found]                           ` <20131121161037.C528CC406A3-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2013-11-21 18:26                             ` Arnd Bergmann
2013-11-21 18:26                               ` Arnd Bergmann
2013-11-21 19:40                               ` Mark Brown
2013-11-21 19:40                                 ` Mark Brown
     [not found]                       ` <20131118151900.GF16735@ n2100.arm.linux.org.uk>
     [not found]                         ` <20131118151900.GF16735-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-11-21 16:11                           ` Grant Likely
2013-11-21 16:11                             ` Grant Likely
2013-11-21 16:00                     ` Grant Likely
2013-11-21 16:00                       ` Grant Likely
2013-11-19 11:30         ` Mark Rutland
2013-11-19 11:30           ` Mark Rutland
2013-11-19 11:35           ` Mark Rutland
2013-11-19 11:35             ` Mark Rutland
     [not found]             ` <20131119113557.GI5914-NuALmloUBlrZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org>
2013-11-19 11:51               ` Leif Lindholm
2013-11-19 11:51                 ` Leif Lindholm
     [not found]           ` <20131119113015.GH5914-NuALmloUBlrZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org>
2013-11-19 11:57             ` Russell King - ARM Linux
2013-11-19 11:57               ` Russell King - ARM Linux
2013-11-19 13:56             ` Stefano Stabellini
2013-11-19 13:56               ` Stefano Stabellini
2013-11-19 14:38               ` Mark Rutland
2013-11-19 14:38                 ` Mark Rutland
     [not found]                 ` <20131119143840.GN5914-NuALmloUBlrZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org>
2013-11-19 14:59                   ` Leif Lindholm
2013-11-19 14:59                     ` Leif Lindholm
2013-11-19 18:23                   ` Olof Johansson
2013-11-19 18:23                     ` Olof Johansson
2013-11-19 14:05             ` Arnd Bergmann
2013-11-19 14:05               ` Arnd Bergmann
2013-11-19 15:21               ` Mark Rutland
2013-11-19 15:21                 ` Mark Rutland
     [not found]                 ` <20131119152157.GO5914-NuALmloUBlrZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org>
2013-11-19 16:19                   ` Arnd Bergmann
2013-11-19 16:19                     ` Arnd Bergmann
2013-11-19 18:34                   ` Olof Johansson
2013-11-19 18:34                     ` Olof Johansson
2013-11-19 19:06                   ` Tom Rini
2013-11-19 19:06                     ` Tom Rini
2013-11-19 18:19             ` Olof Johansson
2013-11-19 18:19               ` Olof Johansson
     [not found]               ` <20131119181959.GA20967-O5ziIzlqnXUVNXGz7ipsyg@public.gmane.org>
2013-11-21 16:37                 ` Grant Likely
2013-11-21 16:37                   ` Grant Likely
2013-11-21 16:29             ` Grant Likely
2013-11-21 16:29               ` Grant Likely
     [not found]               ` <20131121170122. GB22960@srcf.ucam.org>
     [not found]                 ` <20131121170122.GB22960-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2013-11-21 18:38                   ` Grant Likely
2013-11-21 18:38                     ` Grant Likely
     [not found]               ` <20131121162944.F087FC406A3-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2013-11-21 17:01                 ` Matthew Garrett
2013-11-21 17:01                   ` Matthew Garrett
2013-11-21 17:58                 ` Olof Johansson
2013-11-21 17:58                   ` Olof Johansson
     [not found]                   ` <20131121175822.GA9590-O5ziIzlqnXUVNXGz7ipsyg@public.gmane.org>
2013-11-21 18:19                     ` Matthew Garrett
2013-11-21 18:19                       ` Matthew Garrett
2013-11-21 18:33                     ` Arnd Bergmann
2013-11-21 18:33                       ` Arnd Bergmann
2013-11-21 18:54                     ` Russell King - ARM Linux
2013-11-21 18:54                       ` Russell King - ARM Linux
     [not found]                       ` <20131121185408.GX16735-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-11-21 18:59                         ` Olof Johansson
2013-11-21 18:59                           ` Olof Johansson
     [not found]                           ` <CAOesGMgzUSMDy99XojipfRd5OM88UhfbCYO0aoc5m-Q8Fwnddg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-21 19:01                             ` Russell King - ARM Linux
2013-11-21 19:01                               ` Russell King - ARM Linux
     [not found]                               ` <20131121190126.GZ16735-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-11-21 19:31                                 ` Olof Johansson
2013-11-21 19:31                                   ` Olof Johansson
     [not found]                       ` < CAOesGMgzUSMDy99XojipfRd5OM88UhfbCYO0aoc5m-Q8Fwnddg@mail.gmail.com>
     [not found]                         ` < 20131121190126.GZ16735@n2100.arm.linux.org.uk>
     [not found]                           ` < CAOesGMgxGq1Zmo+Dq-Rmy2F02-=12yUzB0AKn35yK2j3CacNRQ@mail.gmail.com>
     [not found]                             ` <CAOesGMgxGq1Zmo+Dq-Rmy2F02-=12yUzB0AKn35yK2j3CacNRQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-21 20:44                               ` Grant Likely
2013-11-21 20:44                                 ` Grant Likely
2013-11-21 18:53                 ` Mark Brown [this message]
2013-11-21 18:53                   ` Mark Brown
2013-11-15 18:28     ` Jason Gunthorpe
2013-11-15 18:28       ` Jason Gunthorpe
     [not found]       ` <20131115182826.GB14920-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-11-15 18:57         ` Arnd Bergmann
2013-11-15 18:57           ` Arnd Bergmann
2013-11-20 13:49     ` Grant Likely
2013-11-20 13:49       ` Grant Likely
     [not found]       ` <20131120134942.95DBFC4079D-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2013-11-20 17:43         ` Stefano Stabellini
2013-11-20 17:43           ` Stefano Stabellini
     [not found]           ` <alpine.DEB.2.02.1311201737410.3198-7Z66fg9igcxYtxbxJUhB2Dgeux46jI+i@public.gmane.org>
2013-11-20 17:47             ` Olof Johansson
2013-11-20 17:47               ` Olof Johansson
2013-11-18  5:19   ` Jon Masters
2013-11-18  5:26     ` Jon Masters
     [not found]       ` <5289A4F3.5040203-Zp4isUonpHBD60Wz+7aTrA@public.gmane.org>
2013-11-18 19:25         ` Olof Johansson
2013-11-18 19:25           ` Olof Johansson
     [not found]           ` <20131118192552.GD5886-O5ziIzlqnXUVNXGz7ipsyg@public.gmane.org>
2013-11-18 20:43             ` Jon Masters
2013-11-18 20:43               ` Jon Masters
     [not found]               ` <528A7BFD.4020303-Zp4isUonpHBD60Wz+7aTrA@public.gmane.org>
2013-11-18 21:25                 ` Olof Johansson
2013-11-18 21:25                   ` Olof Johansson
2013-11-18  7:22     ` Richard Cochran
2013-11-18 13:55     ` Stefano Stabellini
2013-11-18 15:00     ` Mark Brown
     [not found]       ` <20131118150052.GC24408-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2013-11-18 19:13         ` Olof Johansson
2013-11-18 19:13           ` Olof Johansson
     [not found]           ` <20131118191336.GB5886-O5ziIzlqnXUVNXGz7ipsyg@public.gmane.org>
2013-11-19  9:12             ` Richard Cochran
2013-11-19  9:12               ` Richard Cochran
2013-11-19 18:48               ` Olof Johansson
2013-11-19 18:48                 ` Olof Johansson
     [not found]                 ` <20131119184827.GD20967-O5ziIzlqnXUVNXGz7ipsyg@public.gmane.org>
2013-11-20  6:40                   ` Richard Cochran
2013-11-20  6:40                     ` Richard Cochran
2013-11-21 18:16                     ` Grant Likely
2013-11-21 18:16                       ` Grant Likely
2013-11-21 19:21                     ` Russell King - ARM Linux
2013-11-21 19:21                       ` Russell King - ARM Linux
     [not found]                     ` < 20131121192136.GA16735@n2100.arm.linux.org.uk>
     [not found]                       ` <20131121192136.GA16735-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-11-21 20:47                         ` Grant Likely
2013-11-21 20:47                           ` Grant Likely
     [not found]                           ` <20131121204704.E4487C40753-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2013-11-22 11:43                             ` Catalin Marinas
2013-11-22 11:43                               ` Catalin Marinas
     [not found]                               ` <CAHkRjk5MstjD9JFk+co8k89i8geJBmSF6uObhGdmWSe0GJHo8g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-22 12:00                                 ` Pantelis Antoniou
2013-11-22 12:00                                   ` Pantelis Antoniou
     [not found]                                   ` <97692EF2-013E-4E4B-BC16-E0915D67EFEC-wVdstyuyKrO8r51toPun2/C9HSW9iNxf@public.gmane.org>
2014-05-05  7:06                                     ` Alexander Holler
2014-05-05  7:06                                       ` Alexander Holler
     [not found]                                       ` <53673866.9000105-SXC+2es9fhnfWeYVQQPykw@public.gmane.org>
2014-05-05 14:41                                         ` Arnd Bergmann
2014-05-05 14:41                                           ` Arnd Bergmann
2014-05-05 15:29                                           ` Alexander Holler
2014-05-05 15:29                                             ` Alexander Holler
     [not found]                                             ` <5367AE6B.3010105-SXC+2es9fhnfWeYVQQPykw@public.gmane.org>
2014-05-05 17:29                                               ` Arnd Bergmann
2014-05-05 17:29                                                 ` Arnd Bergmann
2014-05-06 15:37                                             ` Grant Likely
2014-05-06 15:37                                               ` Grant Likely
2014-05-06 15:27                                       ` Grant Likely
2014-05-06 15:27                                         ` Grant Likely
     [not found]                                         ` <20140506152725.E5B90C40959-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2014-05-06 16:32                                           ` Olof Johansson
2014-05-06 16:32                                             ` Olof Johansson
2013-11-18 15:28     ` Rob Herring
     [not found]     ` <5289A356.4060004-Zp4isUonpHBD60Wz+7aTrA@public.gmane.org>
2013-11-18 19:09       ` Olof Johansson
2013-11-18 19:09         ` Olof Johansson
     [not found]         ` <20131118190929.GA5886-O5ziIzlqnXUVNXGz7ipsyg@public.gmane.org>
2013-11-18 20:54           ` Jon Masters
2013-11-18 20:54             ` Jon Masters
     [not found]             ` <528A7EA0.9050101-Zp4isUonpHBD60Wz+7aTrA@public.gmane.org>
2013-11-18 21:50               ` Olof Johansson
2013-11-18 21:50                 ` Olof Johansson
2013-11-18 21:32           ` Grant Likely
2013-11-18 21:32             ` Grant Likely
2013-11-18 22:47             ` David Goodenough
2013-11-19 12:48               ` Arnd Bergmann
2013-11-19 12:48                 ` Arnd Bergmann
2013-11-19 13:34                 ` David Goodenough
2013-11-19 16:52                   ` Arnd Bergmann
2013-11-21 18:23               ` Grant Likely
2013-11-19 14:33     ` Grant Likely
     [not found] ` <CAOesGMjKeRb=fFJM0MabDihbEiCGM4EqW9D5i_6-RFxTnpB4Qw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-15 20:58   ` Arnd Bergmann
2013-11-15 20:58     ` Arnd Bergmann
     [not found]     ` <201311152158.32644.arnd-r2nGTMty4D4@public.gmane.org>
2013-11-15 21:44       ` Olof Johansson
2013-11-15 21:44         ` Olof Johansson
     [not found]         ` <CAOesGMhkCn2zeJj_ZZAZu_wJya-4evWEqNHpVJEpjxzWHVWY3A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-17 17:18           ` Stefano Stabellini
2013-11-17 17:18             ` Stefano Stabellini
     [not found]             ` <alpine.DEB.2.02.1311171705130.4714-7Z66fg9igcxYtxbxJUhB2Dgeux46jI+i@public.gmane.org>
2013-11-17 18:10               ` Arnd Bergmann
2013-11-17 18:10                 ` Arnd Bergmann
     [not found]                 ` < CAOesGMiYyOcvr3Aqs-p8zc=XDwJM9NZtNxtxrTZssc6F=siZCw@mail.gmail.com>
2013-11-17 22:20                 ` Olof Johansson
2013-11-17 22:20                   ` Olof Johansson
     [not found]                   ` <CAOesGMiYyOcvr3Aqs-p8zc=XDwJM9NZtNxtxrTZssc6F=siZCw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-18  8:45                     ` Arnd Bergmann
2013-11-18  8:45                       ` Arnd Bergmann
2013-11-18 17:33                       ` Jon Masters
2013-11-18 17:38                         ` Russell King - ARM Linux
     [not found]                         ` <528A4F5F.7080104-Zp4isUonpHBD60Wz+7aTrA@public.gmane.org>
2013-11-18 19:21                           ` Olof Johansson
2013-11-18 19:21                             ` Olof Johansson
2013-11-21 18:26                         ` Grant Likely
2013-11-18 15:04                 ` Mark Brown
2013-11-18 15:04                   ` Mark Brown
2013-11-18 15:10                   ` Arnd Bergmann
2013-11-18 15:10                     ` Arnd Bergmann
     [not found]                   ` < 201311181610.33105.arnd@arndb.de>
     [not found]                     ` <201311181610.33105.arnd-r2nGTMty4D4@public.gmane.org>
2013-11-18 21:38                       ` Grant Likely
2013-11-18 21:38                         ` Grant Likely
2013-11-18 23:25   ` Leif Lindholm
2013-11-18 23:25     ` Leif Lindholm
     [not found]     ` <20131118232536.GF1567-GZEopFhza0F985/tl1ce8aaDwS/vmuI7@public.gmane.org>
2013-11-18 23:29       ` Olof Johansson
2013-11-18 23:29         ` Olof Johansson
     [not found]         ` <CAOesGMh373ZsLzoGHJm+xV3uFVjh2CBSA8SXY4PA+VxL3a5W1w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-18 23:34           ` Leif Lindholm
2013-11-18 23:34             ` Leif Lindholm

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