From: "Bjørn Mork" <bjorn@mork.no>
To: Ming Lei <tom.leiming@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Alan Stern <stern@rowland.harvard.edu>,
Fengguang Wu <fengguang.wu@intel.com>,
Oliver Neukum <oneukum@suse.de>,
Sarah Sharp <sarah.a.sharp@linux.intel.com>,
linux-kernel@vger.kernel.org,
"linux-usb\@vger.kernel.org" <linux-usb@vger.kernel.org>, "Lan\,
Tianyu" <tianyu.lan@intel.com>
Subject: Re: BUG: unable to handle kernel paging request in usb_match_id()
Date: Sun, 19 Aug 2012 12:23:38 +0200 [thread overview]
Message-ID: <87a9xrmb85.fsf@nemi.mork.no> (raw)
In-Reply-To: <CACVXFVMeUmLh=Tu3PHbgHQNX+c-z50_CoAkdJS_uCw=E3dO2dw@mail.gmail.com> (Ming Lei's message of "Sat, 18 Aug 2012 08:58:39 +0800")
Ming Lei <tom.leiming@gmail.com> writes:
> On Fri, Aug 17, 2012 at 10:42 PM, Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
>> On Fri, Aug 17, 2012 at 10:38:16AM -0400, Alan Stern wrote:
>>> On Fri, 17 Aug 2012, Ming Lei wrote:
>>>
>>> > But, if HOTPLUG is not enabled, should device_add() trigger driver probe
>>> > further after kernel init is completed? Or even devices should be allowed
>>> > to add into system?
>>>
>>> Indeed, does it make any sense to have USB support at all if HOTPLUG
>>> isn't enabled? Should USB select HOTPLUG?
>>
>> Well, a long time ago people wanted to use USB but not have HOTPLUG
>> enabled in their systems for various (odd) embedded systems. As it's
>> pretty hard to even turn off HOTPLUG these days, I'd be more likely to
>> just remove CONFIG_HOTPLUG entirely given the dynamic nature of almost
>> all systems.
>
> It should make sense, otherwise all device id table should not use
> __devinit* markings. There are lots of pci driver usage on it.
You might want to start here then:
/**
* DEFINE_PCI_DEVICE_TABLE - macro used to describe a pci device table
* @_table: device table name
*
* This macro is used to create a struct pci_device_id array (a device table)
* in a generic manner.
*/
#define DEFINE_PCI_DEVICE_TABLE(_table) \
const struct pci_device_id _table[] __devinitconst
Bjørn
next prev parent reply other threads:[~2012-08-19 10:24 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-05 2:59 BUG: unable to handle kernel paging request in usb_match_id() Fengguang Wu
2012-08-05 16:58 ` Greg Kroah-Hartman
2012-08-17 2:00 ` Fengguang Wu
2012-08-17 3:48 ` Greg Kroah-Hartman
2012-08-17 5:44 ` Fengguang Wu
2012-08-17 8:52 ` Bjørn Mork
2012-08-17 9:07 ` Bjørn Mork
2012-08-17 9:27 ` Fengguang Wu
2012-08-17 10:24 ` Fengguang Wu
2012-08-17 12:16 ` Ming Lei
2012-08-17 13:45 ` Greg Kroah-Hartman
2012-08-17 14:38 ` Alan Stern
2012-08-17 14:42 ` Greg Kroah-Hartman
2012-08-18 0:58 ` Ming Lei
2012-08-19 10:23 ` Bjørn Mork [this message]
2012-08-19 14:35 ` Greg Kroah-Hartman
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