linux-kernel - Re: Temporarily disabling CONFIG_USB

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Message-ID: <46FD5A94.1010306@redhat.com>
Date:	Fri, 28 Sep 2007 15:48:36 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Chris Frey <cdfrey@...rsquare.net>
CC:	linux-kernel@...r.kernel.org
Subject: Re: Temporarily disabling CONFIG_USB_SUSPEND

On 09/28/2007 03:42 PM, Chris Frey wrote:
> Hi,
> 
> Is there a global means to disable the CONFIG_USB_SUSPEND feature, perhaps
> through /proc or /sysfs?
> 
> I know this can be done, in a semi-reliable manner, on a per-device
> basis by writing 0 or 2 to the /sys/.../device/power/state file, but
> I'm looking for something that will have the same effect as disabling
> CONFIG_USB_SUSPEND, but without recompiling the kernel.
> 

Kernel boot option usbcore.autosuspend=-1 if usbcore is built-in.

# modprobe usbcore autosuspend=-1

(0 now means suspend immediately)
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