From bedcff970e16d36324ddbfa61de33e4640c9d619 Mon Sep 17 00:00:00 2001 From: Neil Zhang Date: Wed, 12 Oct 2011 16:49:27 +0800 Subject: [PATCH] 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 Signed-off-by: Felipe Balbi --- drivers/usb/gadget/mv_udc_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c index 8465528..e2b302f 100644 --- 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; -- 2.7.4