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path: root/drivers/usb/gadget/composite.c
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Diffstat (limited to 'drivers/usb/gadget/composite.c')
-rw-r--r--drivers/usb/gadget/composite.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 390749bbb0c3..3f72110da1b0 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -117,6 +117,7 @@ int config_ep_by_speed(struct usb_gadget *g,
struct usb_function *f,
struct usb_ep *_ep)
{
+ struct usb_composite_dev *cdev = get_gadget_data(g);
struct usb_endpoint_descriptor *chosen_desc = NULL;
struct usb_descriptor_header **speed_desc = NULL;
@@ -180,10 +181,12 @@ ep_found:
_ep->mult = comp_desc->bmAttributes & 0x3;
case USB_ENDPOINT_XFER_BULK:
case USB_ENDPOINT_XFER_INT:
- _ep->maxburst = comp_desc->bMaxBurst;
+ _ep->maxburst = comp_desc->bMaxBurst + 1;
break;
default:
- /* Do nothing for control endpoints */
+ if (comp_desc->bMaxBurst != 0)
+ ERROR(cdev, "ep0 bMaxBurst must be 0\n");
+ _ep->maxburst = 1;
break;
}
}