From: David Woodhouse <dwmw2@infradead.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"dvhart@dvhart.com" <dvhart@dvhart.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
"ksummit-discuss@lists.linuxfoundation.org"
<ksummit-discuss@lists.linuxfoundation.org>
Subject: Re: [Ksummit-discuss] [TECH TOPIC] Driver model/resources, ACPI, DT, etc (sigh)
Date: Wed, 07 May 2014 12:05:02 +0100 [thread overview]
Message-ID: <1399460702.2996.89.camel@shinybook.infradead.org> (raw)
In-Reply-To: <1399279156.20388.32.camel@pasglop>
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On Mon, 2014-05-05 at 18:39 +1000, Benjamin Herrenschmidt wrote:
>
> The other option is to have both the DT representation and the ACPI
> representation reach the drivers and leave it to the them (the drivers) to get
> through two different functions at probe time to "translates" that into a
> "3rd" driver private one (a structure, in a way akin to the old platform data
> but of course completely local to the driver scope).
I don't like that much. For "leaf-node" device drivers, I think we're
better off with a simple set of "device_get_property" functions which
are a little more type-safe than the existing of_* ones, thus helping us
to deal with the details of 32-bit cells vs. ACPI integers, etc.
--
David Woodhouse Open Source Technology Centre
David.Woodhouse@intel.com Intel Corporation
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next prev parent reply other threads:[~2014-05-07 11:05 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-02 21:42 Olof Johansson
2014-05-03 0:05 ` Rafael J. Wysocki
2014-05-03 2:02 ` Mark Brown
2014-05-04 12:28 ` Rafael J. Wysocki
2014-05-05 8:45 ` Benjamin Herrenschmidt
2014-05-05 19:06 ` Mark Brown
2014-05-06 12:22 ` Rafael J. Wysocki
2014-05-12 21:59 ` Mark Brown
2014-05-12 22:03 ` Rafael J. Wysocki
2014-05-13 7:34 ` Arnd Bergmann
2014-05-13 10:47 ` Rafael J. Wysocki
2014-05-13 12:11 ` Mark Brown
2014-05-13 13:08 ` Arnd Bergmann
2014-05-13 19:31 ` Mark Brown
2014-05-13 19:53 ` Arnd Bergmann
2014-05-13 21:19 ` Rafael J. Wysocki
2014-05-14 13:04 ` Mark Brown
2014-05-15 12:05 ` Rafael J. Wysocki
2014-05-17 1:11 ` Darren Vincent Hart
2014-05-19 0:02 ` Rafael J. Wysocki
2014-05-17 13:24 ` Mark Brown
2014-05-18 23:56 ` Rafael J. Wysocki
2014-05-23 17:33 ` Mark Brown
2014-05-26 21:19 ` Linus Walleij
2014-05-26 21:55 ` Rafael J. Wysocki
2014-05-13 20:02 ` Olof Johansson
2014-05-17 3:57 ` Darren Vincent Hart
2014-05-17 13:09 ` Mark Brown
2014-05-17 6:52 ` Darren Vincent Hart
2014-05-23 17:21 ` Mark Brown
2014-05-03 15:14 ` Arnd Bergmann
2014-05-04 11:14 ` Catalin Marinas
2014-05-04 17:18 ` Olof Johansson
2014-05-04 17:27 ` Guenter Roeck
2014-05-04 22:02 ` Rafael J. Wysocki
2014-05-05 2:44 ` Pantelis Antoniou
2014-05-05 11:22 ` Rafael J. Wysocki
2014-05-05 2:52 ` Pantelis Antoniou
2014-05-05 4:21 ` Guenter Roeck
2014-05-05 23:05 ` Pantelis Antoniou
2014-05-04 21:33 ` Rafael J. Wysocki
2014-05-05 8:43 ` Benjamin Herrenschmidt
2014-05-05 11:32 ` Rafael J. Wysocki
2014-05-05 11:31 ` Benjamin Herrenschmidt
2014-05-06 12:18 ` Rafael J. Wysocki
2014-05-06 13:35 ` Arnd Bergmann
2014-05-08 0:16 ` Rafael J. Wysocki
2014-05-12 6:21 ` Benjamin Herrenschmidt
2014-05-13 21:14 ` Olof Johansson
2014-05-13 21:40 ` Rafael J. Wysocki
2014-05-13 21:28 ` Olof Johansson
2014-05-13 21:51 ` Rafael J. Wysocki
2014-05-17 3:22 ` Darren Vincent Hart
2014-05-14 12:06 ` Arnd Bergmann
2014-05-14 12:25 ` Mark Brown
2014-05-18 16:34 ` Linus Walleij
2014-05-14 12:31 ` Rafael J. Wysocki
2014-05-17 3:02 ` Darren Vincent Hart
2014-05-17 2:57 ` Darren Vincent Hart
2014-05-18 16:31 ` Linus Walleij
2014-05-05 15:09 ` Rob Herring
2014-05-05 16:02 ` Jason Cooper
2014-05-05 16:41 ` Thomas Petazzoni
2014-05-05 22:55 ` Benjamin Herrenschmidt
2014-05-17 2:32 ` Darren Vincent Hart
2014-05-05 8:39 ` Benjamin Herrenschmidt
2014-05-05 11:37 ` Rafael J. Wysocki
2014-05-07 11:05 ` David Woodhouse [this message]
2014-05-07 13:06 ` Rafael J. Wysocki
2014-05-08 3:27 ` Benjamin Herrenschmidt
2014-05-17 2:05 ` Darren Vincent Hart
2014-05-17 1:54 ` Darren Vincent Hart
2014-05-17 23:03 ` Benjamin Herrenschmidt
2014-05-18 20:28 ` Linus Walleij
2014-05-18 16:12 ` Darren Vincent Hart
2014-05-19 20:53 ` Rafael J. Wysocki
2014-05-04 10:56 ` Catalin Marinas
2014-05-04 12:19 ` Rafael J. Wysocki
2014-05-04 17:23 ` Olof Johansson
2014-05-04 21:58 ` Rafael J. Wysocki
2014-05-06 2:41 ` Linus Walleij
2014-05-06 11:41 ` Rafael J. Wysocki
2014-05-08 11:36 ` Linus Walleij
2014-05-08 12:08 ` Rafael J. Wysocki
2014-05-17 4:39 ` Darren Vincent Hart
2014-05-17 4:33 ` Darren Vincent Hart
2014-05-03 0:23 ` Darren Hart
2014-05-05 16:58 ` Linus Walleij
2014-05-06 5:02 ` Darren Hart
2014-05-17 0:32 ` Darren Vincent Hart
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