Re: the problem with general serail gadget driver when re-connect usb cable

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On Tue, Apr 19, 2011 at 11:41:29AM +0800, yingchun li wrote:
> On Fri, Apr 15, 2011 at 4:09 AM, Greg KH <greg@xxxxxxxxx> wrote:
> > On Thu, Apr 14, 2011 at 01:48:46PM +0800, yingchun li wrote:
> >> Hi,
> >>      I have a mobile device, and using USB general serial driver to
> >> put some log to PC.
> >
> > Ick, don't use that driver for any "real" work.  What type of device is
> > this really?  We should use the real driver for it.
> Why I cannot use this driver? does this driver have problems?

It is slow, has no flow control, and you have to pass the module
parameter to it for every time you load the module.  It also only
supports one device id (well, there are ways around that as well, but I
don't recommend it.)

thanks,

greg k-h
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