usb dongle enumerate as mass storage device

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On Thursday 20 November 2008, Dan Williams wrote:
> On Wed, 2008-11-19 at 11:50 -0800, Inaky Perez-Gonzalez wrote:
> > On Wednesday 19 November 2008, charles zhuang wrote:
> > > The Asus dongle will be seen as a mass storage device, it contain
> > > bunches of windows program, setup.exe, dll, cab file. When I plug in to
> > > windows, it will install the wimax driver, but failed to install the
> > > usb driver. From the network connection (windows), I do see a new
> > > Ethernet connection.\
> >
> > My guess is you see that connection *after* you install the driver, is
> > that correct?
> >
> > > I found this confusing, is there a separate wimax dongle for linux and
> > > for windows? I thought dongle itself will only contain the wimax mac
> > > and RF, download a firmware from host to drive it, but looks like not.
> >
> > Not necessarily, but it is becoming more common that makers of USB device
> > implement also an small flash disk (I guess it is cheap enough) so it
> > also serves to distribute drivers.
> >
> > Chances are this dongle won't work in Linux -- unless ASus goes around
> > and implements the support for it.
>
> If the mass-storage device is a "driver cd" thing, then the correct
> method for "fixing" these devices is to write a small shim driver for
> libusual that (by default) simply ejects the mass-storage device
> whenever it's inserted, but allows override of this behavior using a
> module parameter.  See the following Sierra TruInstall patches for how
> this should happen:

Oh, so that's how they do it? They wait for a eject command to "change" 
personas and become their real device?

Out of curiosity, how would it work when the device is reconnected and/or the 
system boots? The device requires another eject to switch into being what it 
should be?

Thanks for the insight :)


-- 
Inaky


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