1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index fa3d142ba64d..08a9a62a39e3 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -489,7 +489,7 @@ static int fsl_ep_enable(struct usb_ep *_ep,
         case USB_ENDPOINT_XFER_ISOC:
                 /* Calculate transactions needed for high bandwidth iso */
                 mult = (unsigned char)(1 + ((max >> 11) & 0x03));
-                max = max & 0x8ff;      /* bit 0~10 */
+                max = max & 0x7ff;      /* bit 0~10 */
                 /* 3 transactions at most */
                 if (mult > 3)
                         goto en_done;