Re: Enable CONFIG_USB_SUSPEND by default or some mobile HD can't be unplugged safely

Yan Li
2009-01-02T14:28:49Z

On Fri, Jan 02, 2009 at 10:00:23PM +0800, Yan Li wrote:
> Now I know 3 methods supposed can be used to shut the device:
> 1. (Alan Stern said Windows use this) cut the USB port's power
> 2. send STOP SCSI command to stop it
> 3. put it into suspend mode
>
> For the 1st method I have no much experience with Windows so I can't
> verify. But now I doubt it. Since there are many early USB devices
> that still show light on after you "safely remove" it from Windows. I
> guess the power is still supplied but the device is send a command to
> be shutdown or suspended.

Sorry, Alan have not said `cut the power'. He said `disable the port'.

--
Li, Yan