Re: CONFIG_IBM_BAY

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On Mon, 19 Mar 2007 15:37:46 +0100
Holger Macht <hmacht@xxxxxxx> wrote:

> Sure. What actually bothers me is that in its current state, the dock
> station driver signals 'green' on the dock station as soon as the user
> presses the hardware undock button, but regardlessly of anything else. I
> think it would be ok to let the ACPI undock event up to userspace because
> in many situations it knows best when it is save to undock.

I disagree - as I mentioned, not all laptops actually let you (userspace)
control the undock process because they don't lock.  The dock driver
does notify user space of an undock, before it actually undocks:

        /*
         * here we need to generate the undock
         * event prior to actually doing the undock
         * so that the device struct still exists.
         */
        dock_event(ds, event, UNDOCK_EVENT);
        hotplug_dock_devices(ds, ACPI_NOTIFY_EJECT_REQUEST);
        undock(ds);
        eject_dock(ds);
 

We even notify other subsystems of our intent to undock prior to actually
doing it.  
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