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authorNeil Zhang <zhangwm@marvell.com>2011-10-12 16:49:27 +0800
committerFelipe Balbi <balbi@ti.com>2011-10-13 20:41:59 +0300
commitbedcff970e16d36324ddbfa61de33e4640c9d619 (patch)
treecba95b595f1ad65e9108c29ddd6b039084173289 /drivers/usb/gadget
parent4540a9ab319f1a55ded5f635da66da60d3c93e69 (diff)
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>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/mv_udc_core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c
index 84655289aea9..e2b302f11d07 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;