1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index dac7676ce21b..3ec6699ab725 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1058,11 +1058,11 @@ made_compressed_probe:
                 goto alloc_fail;
         }
 
-        ctrlsize = le16_to_cpu(epctrl->wMaxPacketSize);
-        readsize = le16_to_cpu(epread->wMaxPacketSize) *
+        ctrlsize = usb_endpoint_maxp(epctrl);
+        readsize = usb_endpoint_maxp(epread) *
                                 (quirks == SINGLE_RX_URB ? 1 : 2);
         acm->combined_interfaces = combined_interfaces;
-        acm->writesize = le16_to_cpu(epwrite->wMaxPacketSize) * 20;
+        acm->writesize = usb_endpoint_maxp(epwrite) * 20;
         acm->control = control_interface;
         acm->data = data_interface;
         acm->minor = minor;
@@ -1534,6 +1534,9 @@ static const struct usb_device_id acm_ids[] = {
         { NOKIA_PCSUITE_ACM_INFO(0x03cd), }, /* Nokia C7 */
         { SAMSUNG_PCSUITE_ACM_INFO(0x6651), }, /* Samsung GTi8510 (INNOV8) */
 
+        /* Support for Owen devices */
+        { USB_DEVICE(0x03eb, 0x0030), }, /* Owen SI30 */
+
         /* NOTE: non-Nokia COMM/ACM/0xff is likely MSFT RNDIS... NOT a modem! */
 
         /* Support Lego NXT using pbLua firmware */