From: Vojtech Pavlik <vojtech@suse.cz>
To: Adam Belay <ambx1@neo.rr.com>, Greg KH <gregkh@suse.de>,
Kay Sievers <kay.sievers@vrfy.org>,
dtor_core@ameritech.net, Hannes Reinecke <hare@suse.de>,
Patrick Mochel <mochel@digitalimplant.org>,
airlied@linux.ie, linux-kernel@vger.kernel.org
Subject: Re: [patch 0/8] Nesting class_device patches that actually work
Date: Tue, 18 Oct 2005 10:34:34 +0200 [thread overview]
Message-ID: <20051018083434.GC13969@ucw.cz> (raw)
In-Reply-To: <20051018071822.GC32655@neo.rr.com>
On Tue, Oct 18, 2005 at 03:18:22AM -0400, Adam Belay wrote:
> As stated above, the keyboard actually does have a real location to hang off of.
> Nonetheless, a keyboard controller is a physical device. It's very different
> from a "virtual device" like a tty. Therefore, it seems unreasonable to make
> virtual devices belong to the "platform" bus.
>
> If a device doesn't have a parent device, it belongs at the root of the tree.
> That's the only obvious way to represent such a lack of dependency. This
> applies to both class and physical devices.
Well, a VT is obviously a child of the graphics card and of the
keyboard. Similarly for the 'mice' device, which is a child of all input
devices that offer mouseying capabilities.
It's just impossible to express in a tree.
--
Vojtech Pavlik
SuSE Labs, SuSE CR
next prev parent reply other threads:[~2005-10-18 8:34 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20051013014147.235668000@echidna.kroah.org>
2005-10-13 2:08 ` [patch 0/8] Nesting class_device patches that actually work Greg KH
2005-10-13 2:10 ` Greg KH
2005-10-13 23:38 ` Kay Sievers
2005-10-13 2:10 ` [patch 1/8] Driver Core: add the ability for class_device structures to be nested Greg KH
2005-10-13 2:10 ` [patch 2/8] Driver Core: fix up all callers of class_device_create() Greg KH
2005-10-13 2:10 ` [patch 3/8] Driver Core: document struct class_device properly Greg KH
2005-10-13 2:10 ` [patch 4/8] input: register the input class device sooner Greg KH
2005-10-13 2:10 ` [patch 5/8] input: export input_dev_class so that input drivers can use it Greg KH
2005-10-13 2:10 ` [patch 6/8] input: move the input class devices under their new input_dev devices Greg KH
2005-10-13 2:11 ` [patch 7/8] input: remove the input_class structure, as it is unused Greg KH
2005-10-13 2:11 ` [patch 8/8] input: rename input_dev_class to input_class to be correct Greg KH
2005-10-13 6:38 ` [patch 0/8] Nesting class_device patches that actually work Vojtech Pavlik
2005-10-13 21:21 ` Dmitry Torokhov
2005-10-13 10:58 ` Kay Sievers
2005-10-13 21:35 ` Dmitry Torokhov
2005-10-13 23:37 ` Hannes Reinecke
2005-10-14 8:45 ` Kay Sievers
2005-10-14 12:14 ` Kay Sievers
2005-10-14 12:49 ` linux-os (Dick Johnson)
2005-10-14 13:49 ` Kay Sievers
2005-10-17 10:02 ` Vojtech Pavlik
2005-10-18 5:13 ` Dmitry Torokhov
2005-10-14 17:02 ` Dmitry Torokhov
2005-10-15 15:08 ` Kay Sievers
2005-10-17 5:41 ` Dmitry Torokhov
2005-10-17 21:44 ` Greg KH
2005-10-17 21:54 ` Dmitry Torokhov
2005-10-17 23:26 ` Adam Belay
2005-10-18 0:03 ` Kay Sievers
2005-10-17 23:24 ` Adam Belay
2005-10-17 23:44 ` Kay Sievers
2005-10-18 5:26 ` Greg KH
2005-10-18 7:18 ` Adam Belay
2005-10-18 7:54 ` Greg KH
2005-10-18 8:34 ` Vojtech Pavlik [this message]
2005-10-18 15:08 ` Kay Sievers
2005-10-18 15:41 ` Dmitry Torokhov
2005-10-18 6:04 ` Greg KH
2005-10-18 7:05 ` Greg KH
2005-10-18 7:35 ` Greg KH
2005-10-17 9:26 ` Vojtech Pavlik
2005-12-01 18:59 ` Patrick Mochel
2005-10-14 9:52 ` Christoph Hellwig
2005-10-14 16:36 ` Dmitry Torokhov
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