> Greg KH <greg@xxxxxxxxx> hat am 17. Februar 2015 um 15:55 geschrieben:
>
>
> On Tue, Feb 17, 2015 at 01:10:40PM +0100, Björn Gerhart wrote:
> > Hello,
> >
> > in order to support an older USB cradle by Denso, I added its
> > vendor-
> > and product-ID to the array of usb_device_id acm_ids. In this way
> > cdc-acm feels responsible for this cradle. The related /dev/ttyACM
> > node is being created properly, and the data transfer works.
> >
> > However, later cradle models by Denso do have proper descriptors, so
> > the
> > patch is not required for these. At the same time both the older and
> > the
> > later model have the same vendor- and product-ID, but they both work
> > with the patched driver.
> >
> > Declaration of the Denso cradles I tested:
> > - both models have the same IDs: vendorID 0x076d, productID 0x0006
> > - older model: Denso CU-321 (descriptors not properly set)
> > - later model: Denso CU-821 (with proper descriptors)
> >
>
> Your patch is line-wrapped and the tabs stripped out of it, making it
> impossible to apply :(
>
> Can you fix up your email client and resend so that I can apply it?
>
oops, sorry for that. Once again, hopefully in proper condition this
time:
Signed-off-by: Bjoern Gerhart <oss@xxxxxxxxxxx>
---
drivers/usb/class/cdc-acm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 546a17e..d5a4140 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1654,6 +1654,8 @@ static int acm_reset_resume(struct usb_interface
*intf)
static const struct usb_device_id acm_ids[] = {
/* quirky and broken devices */
+ { USB_DEVICE(0x076d, 0x0006), /* Denso Cradle CU-321 */
+ .driver_info = NO_UNION_NORMAL, },/* has no union descriptor */
{ USB_DEVICE(0x17ef, 0x7000), /* Lenovo USB modem */
.driver_info = NO_UNION_NORMAL, },/* has no union descriptor */
{ USB_DEVICE(0x0870, 0x0001), /* Metricom GS Modem */
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