usb: gadget: mv_udc: fix a clerical error

The max size of data payload is in bit0 - bit10, so we need use 0x7ff
as the bitmask to fetch from usb_endpoint_descriptor.wMaxPacketSize.

Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c
index 8465528..e2b302f 100644 (file)
--- a/drivers/usb/gadget/mv_udc_core.c
+++ b/drivers/usb/gadget/mv_udc_core.c
@@ -546,7 +546,7 @@ static int mv_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;