From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: ext Nishanth Menon <nm@ti.com>,
ext Tony Lindgren <tony@atomide.com>,
Peter De-Schrijver <Peter.De-Schrijver@nokia.com>,
Ambresh <a0393775@ti.com>,
Saravana Kannan <skannan@codeaurora.org>,
Jouni Hogander <jouni.hogander@nokia.com>,
Lee Jones <Lee.Jones@linaro.org>,
Rabin VINCENT <rabin.vincent@stericsson.com>,
Russell King <linux@arm.linux.org.uk>,
Jonas ABERG <jonas.aberg@stericsson.com>,
ext Kevin Hilman <khilman@deeprootsystems.com>,
David Brown <davidb@codeaurora.org>,
Maxime Coquelin <maxime.coquelin-nonst@stericsson.com>,
"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
Loic PALLARDY <loic.pallardy@stericsson.com>,
"eduardo.valentin@nokia.com" <eduardo.valentin@nokia.com>,
maxime_coquelin@yahoo.fr, Ryan Mallon <ryan@bluewatersys.com>,
Linux-OMAP <linux-omap@vger.kernel.org>,
Daniel Walker <dwalker@codeaurora.org>,
Linus Walleij <linus.ml.wallei>
Subject: Re: [RFC PATCHv1 1/2] Export SoC info through sysfs
Date: Thu, 10 Mar 2011 16:02:18 +0100 [thread overview]
Message-ID: <201103101602.19241.arnd@arndb.de> (raw)
In-Reply-To: <20110310144455.GG22195@opensource.wolfsonmicro.com>
On Thursday 10 March 2011, Mark Brown wrote:
> Most of the devices doing that on ARMs tend to be devices where there's
> no bus that it's meaningful to expose to software - they'll typically be
> hanging off an AHB or APB bus which has either no real software control
> or control which is very heavily tied into the overall system control
> and so is better treated over the whole SoC rather than the bus.
I can accept that it's reasonable to put all devices under
/sys/devices/platform/ that are on the same top-level AHB or APB bus,
although I also don't see a reason against making that bus a single
device.
The one thing that really doesn't belong in /sys/devices/platform/
however are devices that are clearly children of some other
device, e.g. a UART behind MFD behind I2C behind AHB.
Arnd
next prev parent reply other threads:[~2011-03-10 15:02 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-09 16:59 [RFC PATCHv1 0/2] Export SoC info through sysfs Maxime Coquelin
2011-03-09 16:59 ` [RFC PATCHv1 1/2] " Maxime Coquelin
2011-03-09 17:39 ` Jamie Iles
2011-03-10 9:45 ` Maxime Coquelin
2011-03-09 17:47 ` Mark Brown
2011-03-10 9:58 ` Maxime Coquelin
2011-03-10 13:18 ` Mark Brown
2011-03-10 13:16 ` Maxime Coquelin
2011-03-09 19:58 ` Arnd Bergmann
2011-03-10 12:56 ` Maxime Coquelin
2011-03-10 13:25 ` Linus Walleij
2011-03-10 14:08 ` Mark Brown
2011-03-10 14:29 ` Arnd Bergmann
2011-03-10 14:44 ` Mark Brown
2011-03-10 15:02 ` Arnd Bergmann [this message]
2011-03-10 15:10 ` Russell King - ARM Linux
2011-03-10 15:17 ` Linus Walleij
2011-03-10 15:20 ` Mark Brown
2011-03-10 16:11 ` Arnd Bergmann
2011-03-10 16:19 ` Mark Brown
2011-03-10 16:54 ` Arnd Bergmann
2011-03-10 14:23 ` Arnd Bergmann
2011-03-10 16:05 ` Linus Walleij
2011-03-10 16:32 ` Arnd Bergmann
2011-03-10 17:08 ` Linus Walleij
2011-03-11 16:14 ` Arnd Bergmann
2011-03-09 20:38 ` Ryan Mallon
2011-03-09 16:59 ` [RFC PATCHv1 2/2] ux500: Export U8500 " Maxime Coquelin
2011-03-09 20:02 ` Arnd Bergmann
2011-03-10 13:05 ` [RFC PATCHv1 0/2] Export " Eduardo Valentin
2011-03-10 13:36 ` Maxime Coquelin
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