Re: [PATCH] usb-serial: fix regression in Visor/Palm OS module forkernels >= 2.6.24

From: Alan Stern
Date: Wed Mar 26 2008 - 22:55:29 EST


On Wed, 26 Mar 2008, Brad Sawatzky wrote:

> On Wed, 26 Mar 2008, Oliver Neukum wrote:
>
> > Am Mittwoch, 26. März 2008 03:32:43 schrieb Brad Sawatzky:
> [ . . . ]
> > > I suppose it's possible that the kernel is identifying 3 bulk endpoints
> > > when there should only be 2 and there is some issue with the lower level
> > > endpoint probe?
> >
> > Send in "lsusb -v". Are you sure all devices have 3 endpoints?
>
> Seems to:

You did not understand Oliver's question. Yes, your device has 3
bulk-OUT endpoints (and 2 bulk-IN). But do you know whether _all_
Visor/Palm OS devices do? If they don't, your patch will cause the
driver to stop working when someone plugs in a device with only 2
endpoints.

Alan Stern

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