From: Greg KH <greg@kroah.com>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-kernel@vger.kernel.org, Kay Sievers <kay.sievers@vrfy.org>
Subject: Re: [PATCH 30/47] Driver core: create devices/virtual/ tree
Date: Tue, 26 Sep 2006 06:41:19 -0700 [thread overview]
Message-ID: <20060926134119.GA11435@kroah.com> (raw)
In-Reply-To: <d120d5000609260624j4fb1f45en6ce2339843fcc1ad@mail.gmail.com>
On Tue, Sep 26, 2006 at 09:24:15AM -0400, Dmitry Torokhov wrote:
> On 9/26/06, Greg KH <greg@kroah.com> wrote:
> >From: Greg Kroah-Hartman <gregkh@suse.de>
> >
> >This change creates a devices/virtual/CLASS_NAME tree for struct devices
> >that belong to a class, yet do not have a "real" struct device for a
> >parent. It automatically creates the directories on the fly as needed.
> >
>
> Why do you need multiple virtual devices? All parentless class devices
> could grow from a single virtual device.
They could, but it's a mess of a single directory if you do that.
Having /sys/devices/virtual/tty/ as a place for all tty virtual device
is nicer than /sys/devices/virtual/ as a single place for all of them
(mem, network, tty, misc, etc.)
thanks,
greg k-h
next prev parent reply other threads:[~2006-09-26 13:41 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-26 5:37 [GIT PATCH] Driver Core patches for 2.6.18 Greg KH
2006-09-26 5:37 ` [PATCH 1/47] Documentation/ABI: devfs is not obsolete, but removed! Greg KH
2006-09-26 5:37 ` [PATCH 2/47] deprecate PHYSDEV* keys Greg KH
2006-09-26 5:37 ` [PATCH 3/47] class_device_create(): make fmt argument 'const char *' Greg KH
2006-09-26 5:37 ` [PATCH 4/47] device_create(): " Greg KH
2006-09-26 5:37 ` [PATCH 5/47] Driver core: add const to class_create Greg KH
2006-09-26 5:37 ` [PATCH 6/47] sysfs: Make poll behaviour consistent Greg KH
2006-09-26 5:37 ` [PATCH 7/47] Debugfs: kernel-doc fixes for debugfs Greg KH
2006-09-26 5:37 ` [PATCH 8/47] SYSFS: allow sysfs_create_link to create symlinks in the root of sysfs Greg KH
2006-09-26 5:37 ` [PATCH 9/47] Suspend infrastructure cleanup and extension Greg KH
2006-09-26 5:37 ` [PATCH 10/47] Suspend changes for PCI core Greg KH
2006-09-26 5:37 ` [PATCH 11/47] make suspend quieter Greg KH
2006-09-26 5:37 ` [PATCH 12/47] fix broken/dubious driver suspend() methods Greg KH
2006-09-26 5:37 ` [PATCH 13/47] PM: define PM_EVENT_PRETHAW Greg KH
2006-09-26 5:37 ` [PATCH 14/47] PM: PCI and IDE handle PM_EVENT_PRETHAW Greg KH
2006-09-26 5:37 ` [PATCH 15/47] PM: video drivers and PM_EVENT_PRETHAW Greg KH
2006-09-26 5:37 ` [PATCH 16/47] PM: USB HCDs use PM_EVENT_PRETHAW Greg KH
2006-09-26 5:37 ` [PATCH 17/47] PM: issue PM_EVENT_PRETHAW Greg KH
2006-09-26 5:37 ` [PATCH 18/47] updated Documentation/power/devices.txt Greg KH
2006-09-26 5:37 ` [PATCH 19/47] PM: update docs for writing .../power/state Greg KH
2006-09-26 5:37 ` [PATCH 20/47] PM: add kconfig option for deprecated .../power/state files Greg KH
2006-09-26 5:37 ` [PATCH 21/47] PM: schedule /sys/devices/.../power/state for removal Greg KH
2006-09-26 5:37 ` [PATCH 22/47] PM: no suspend_prepare() phase Greg KH
2006-09-26 5:37 ` [PATCH 23/47] PM: add /sys/power documentation to Documentation/ABI Greg KH
2006-09-26 5:37 ` [PATCH 24/47] PM: device_suspend/resume may sleep Greg KH
2006-09-26 5:37 ` [PATCH 25/47] PM: platform_bus and late_suspend/early_resume Greg KH
2006-09-26 5:37 ` [PATCH 26/47] Driver core: add groups support to struct device Greg KH
2006-09-26 5:37 ` [PATCH 27/47] Driver core: allow devices in classes to have no parent Greg KH
2006-09-26 5:37 ` [PATCH 28/47] Driver core: add ability for classes to handle devices properly Greg KH
2006-09-26 5:37 ` [PATCH 29/47] Driver core: add device_rename function Greg KH
2006-09-26 5:37 ` [PATCH 30/47] Driver core: create devices/virtual/ tree Greg KH
2006-09-26 5:37 ` [PATCH 31/47] Class: add support for class interfaces for devices Greg KH
2006-09-26 5:37 ` [PATCH 32/47] Driver core: add ability for devices to create and remove bin files Greg KH
2006-09-26 5:37 ` [PATCH 33/47] kobject: must_check fixes Greg KH
2006-09-26 5:37 ` [PATCH 34/47] sysfs_remove_bin_file: no return value, dump_stack on error Greg KH
2006-09-26 5:37 ` [PATCH 35/47] Driver core: fix comments in drivers/base/power/resume.c Greg KH
2006-09-26 5:37 ` [PATCH 36/47] Driver core: fixed add_bind_files() definition Greg KH
2006-09-26 5:37 ` [PATCH 37/47] add __must_check to device management code Greg KH
2006-09-26 5:37 ` [PATCH 38/47] add CONFIG_ENABLE_MUST_CHECK Greg KH
2006-09-26 5:37 ` [PATCH 39/47] v4l-dev2: handle __must_check Greg KH
2006-09-26 5:38 ` [PATCH 40/47] drivers/base: Platform notify needs to occur before drivers attach to the device Greg KH
2006-09-26 5:38 ` [PATCH 41/47] drivers/base: check errors Greg KH
2006-09-26 5:38 ` [PATCH 42/47] sysfs: add proper sysfs_init() prototype Greg KH
2006-09-26 5:38 ` [PATCH 43/47] Driver Core: add ability for drivers to do a threaded probe Greg KH
2006-09-26 5:38 ` [PATCH 44/47] PCI: enable driver multi-threaded probe Greg KH
2006-09-26 5:38 ` [PATCH 45/47] Driver core: Fix potential deadlock in driver core Greg KH
2006-09-26 5:38 ` [PATCH 46/47] Driver core: Remove unneeded routines from " Greg KH
2006-09-26 5:38 ` [PATCH 47/47] Driver core: Don't call put methods while holding a spinlock Greg KH
2006-09-27 18:51 ` [PATCH 44/47] PCI: enable driver multi-threaded probe Olaf Hering
2006-09-29 23:32 ` Greg KH
2006-09-30 6:07 ` Olaf Hering
2006-09-26 17:23 ` [PATCH 41/47] drivers/base: check errors Dmitry Torokhov
2006-09-27 4:33 ` Greg KH
2006-09-26 13:24 ` [PATCH 30/47] Driver core: create devices/virtual/ tree Dmitry Torokhov
2006-09-26 13:41 ` Greg KH [this message]
2006-09-26 13:51 ` Dmitry Torokhov
2006-09-26 14:26 ` Greg KH
2006-09-26 17:15 ` Dmitry Torokhov
2006-09-26 13:20 ` [PATCH 26/47] Driver core: add groups support to struct device Dmitry Torokhov
2006-09-26 13:46 ` Greg KH
2006-09-26 14:01 ` Dmitry Torokhov
2006-09-26 14:23 ` Greg KH
2006-09-26 17:10 ` Dmitry Torokhov
2006-09-27 14:40 ` Pavel Machek
2006-09-26 15:18 ` Marcel Holtmann
2006-09-26 12:34 ` [GIT PATCH] Driver Core patches for 2.6.18 Mike Galbraith
2006-09-26 20:39 ` Greg KH
2006-09-27 8:47 ` Mike Galbraith
2006-09-27 6:58 ` Rafael J. Wysocki
2006-09-27 10:48 ` Mike Galbraith
2006-09-27 13:03 ` Mike Galbraith
2006-09-27 11:42 ` Rafael J. Wysocki
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