Re: [PATCH] usb: fix breakage on systems without ACPI

[Lan Tianyu]

On 2012å5æ16æ 20:21:53, Greg KH wrote:
> On Wed, May 16, 2012 at 02:11:15PM +0200, Sasha Levin wrote:
> > Commit da0af6e ("usb: Bind devices to ACPI devices when possible") really
> > tries to force-bind devices even when impossible, unlike what it says in
> > the subject.
> >
> > CONFIG_ACPI is not an indication that ACPI tables are actually present, nor
> > is an indication that any USB relevant information is present in them. There
> > is no reason to fail the creation of a USB bus if it can't bind it to
> > ACPI device during initialization.
> >
> > On systems with CONFIG_ACPI set but without ACPI tables it would cause a
> > boot panic.
>
> Nice catch, sorry about that, I'll go queue this up.
>
> greg k-h

Oh. Sorry for this. I just test it on some my machines that have usb 
descriptor.
bring trouble for you.

--
Best Regards
Tianyu Lan
linux kernel enabling team
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