Here's the patch.
Bruno
Le lun 15/11/2004 à 19:49, A.P.Munnikes a écrit :
> hello,
>
> Could you post a patch ?
>
>
> Alfred
>
>
> Thank you Alan.
>
> I have modified the uhci driver to accept
> the buggy configuration. And now the printer works...
>
> Bruno
>
> Le lun 08/11/2004 à 19:01, Alan Stern a écrit :
> > On Mon, 8 Nov 2004, Bruno Zoppis wrote:
> >
> > > Hi,
> > >
> > > Anybody knows why it should not be possible
> > > to have an endpoint in bulk mode for a low speed
> > > device ? The uhci_submit_bulk function in
> > > uhci-hcd.c returns -EINVAL in that case.
> > >
> > > But according to /proc/bus/usb/devices, the
> > > device I"m trying to use (DYMO LabelWriter 320)
> > > is a low speed one with bulk endpoints.
> >
> > It"s not possible because the USB specification says that low-speed
> > devices are only allowed to support control and interrupt endpoints.
> > Apparently your device contains an illegal configuration.
> >
> > Alan Stern
> >
>
diff -ru linux-2.6.9/drivers/usb/host/uhci-hcd.c linux-2.6.9-labelwriter/drivers/usb/host/uhci-hcd.c
--- linux-2.6.9/drivers/usb/host/uhci-hcd.c 2004-10-18 23:55:07.000000000 +0200
+++ linux-2.6.9-labelwriter/drivers/usb/host/uhci-hcd.c 2004-11-16 22:01:28.090576768 +0100
@@ -1150,8 +1150,9 @@
int ret;
/* Can't have low-speed bulk transfers */
- if (urb->dev->speed == USB_SPEED_LOW)
- return -EINVAL;
+ /* if (urb->dev->speed == USB_SPEED_LOW)
+ * return -EINVAL;
+ */
ret = uhci_submit_common(uhci, urb, eurb, uhci->skel_bulk_qh);
if (ret == -EINPROGRESS)
