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)
>
> Signed-off-by: Bjoern Gerhart <o...@airbjorn.de>
> ---
> 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 */
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?
thanks,
greg k-h
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