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    SubjectRe: [GIT PATCH] USB autosuspend fixes for 2.6.23-rc6
    On Thu, Sep 13, 2007 at 12:07:15PM -0400, Alan Stern wrote:
    > You _can't_ change the autosuspend setting for a device that hasn't yet
    > been detected; you can only do it after detection. But you _can_
    > modify a whitelist either before or after a device is detected; any
    > such modifications won't affect the already-existing devices.

    Exactly. The kernel will by default get the device up and working. Any
    capabilities to be changed after it is working can be done by userspace
    with a "whitelist" type program that can properly tell the kernel that
    this specific device can be safely suspended.

    If you decide to do this in a small bash script, or in
    HAL/udevd/DeviceKit/whatever, it all doesn't matter to the kernel.


    greg k-h
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