> +/*
> + * Disable a port and mark a logical connnect-change event, so that some
> + * time later khubd will disconnect() any existing usb_device on the port
> + * and will re-enumerate if there actually is a device attached.
> + */

What would you think about making that also power down the port,
and having khubd power it back up as part of that re-enumeration?
Or at least having a logical disconnect mode where that's done.

Some devices don't reset properly unless there's a power cycle
on USB.  Also, one wants to cut power on SRP-capable device links,
to reduce the drain on batteries.

- Dave



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