4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Maarten Jacobs <maarten256@xxxxxxxxxxx> commit 63529eaa6164ef7ab4b907b25ac3648177e5e78f upstream. The cdc-acm kernel module currently does not support the Hiro (Conexant) H05228 USB modem. The patch below adds the device specific information: idVendor 0x0572 idProduct 0x1349 Signed-off-by: Maarten Jacobs <maarten256@xxxxxxxxxxx> Acked-by: Oliver Neukum <oneukum@xxxxxxxx> Cc: stable <stable@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/class/cdc-acm.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1716,6 +1716,9 @@ static const struct usb_device_id acm_id { USB_DEVICE(0x0572, 0x1328), /* Shiro / Aztech USB MODEM UM-3100 */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, + { USB_DEVICE(0x0572, 0x1349), /* Hiro (Conexant) USB MODEM H50228 */ + .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ + }, { USB_DEVICE(0x20df, 0x0001), /* Simtec Electronics Entropy Key */ .driver_info = QUIRK_CONTROL_LINE_STATE, }, { USB_DEVICE(0x2184, 0x001c) }, /* GW Instek AFG-2225 */