2 files changed, 7 insertions, 0 deletions

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 8cd193bbd044..e4c70dce3e7c 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1405,6 +1405,8 @@ made_compressed_probe:
                                 usb_sndbulkpipe(usb_dev, epwrite->bEndpointAddress),
                                 NULL, acm->writesize, acm_write_bulk, snd);
                 snd->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+                if (quirks & SEND_ZERO_PACKET)
+                        snd->urb->transfer_flags |= URB_ZERO_PACKET;
                 snd->instance = acm;
         }
 
@@ -1862,6 +1864,10 @@ static const struct usb_device_id acm_ids[] = {
         { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
                 USB_CDC_ACM_PROTO_AT_CDMA) },
 
+        { USB_DEVICE(0x1519, 0x0452), /* Intel 7260 modem */
+        .driver_info = SEND_ZERO_PACKET,
+        },
+
         { }
 };
 
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index dd9af38e7cda..ccfaba9ab4e4 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -134,3 +134,4 @@ struct acm {
 #define IGNORE_DEVICE                   BIT(5)
 #define QUIRK_CONTROL_LINE_STATE        BIT(6)
 #define CLEAR_HALT_CONDITIONS           BIT(7)
+#define SEND_ZERO_PACKET                BIT(8)