From: JiebingLi <jiebing.li@xxxxxxxxx> Endpoint software structure initialization Signed-off-by: JiebingLi <jiebing.li@xxxxxxxxx> Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx> --- drivers/usb/gadget/langwell_udc.c | 23 +++++++++++++---------- 1 files changed, 13 insertions(+), 10 deletions(-) diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c index 8b332dd..599ad8a 100644 --- a/drivers/usb/gadget/langwell_udc.c +++ b/drivers/usb/gadget/langwell_udc.c @@ -242,11 +242,13 @@ static void ep0_reset(struct langwell_udc *dev) ep->dqh->dqh_ios = 1; ep->dqh->dqh_mpl = EP0_MAX_PKT_SIZE; - /* FIXME: enable ep0-in HW zero length termination select */ + /* enable ep0-in HW zero length termination select */ if (is_in(ep)) ep->dqh->dqh_zlt = 0; ep->dqh->dqh_mult = 0; + ep->dqh->dtd_next = DTD_TERM; + /* configure ep0 control registers */ ep_reset(&dev->ep[0], 0, i, USB_ENDPOINT_XFER_CONTROL); } @@ -268,7 +270,7 @@ static int langwell_ep_enable(struct usb_ep *_ep, struct langwell_ep *ep; u16 max = 0; unsigned long flags; - int retval = 0; + int i, retval = 0; unsigned char zlt, ios = 0, mult = 0; ep = container_of(_ep, struct langwell_ep, ep); @@ -354,12 +356,6 @@ static int langwell_ep_enable(struct usb_ep *_ep, spin_lock_irqsave(&dev->lock, flags); - /* configure endpoint capabilities in dQH */ - ep->dqh->dqh_ios = ios; - ep->dqh->dqh_mpl = cpu_to_le16(max); - ep->dqh->dqh_zlt = zlt; - ep->dqh->dqh_mult = mult; - ep->ep.maxpacket = max; ep->desc = desc; ep->stopped = 0; @@ -371,6 +367,15 @@ static int langwell_ep_enable(struct usb_ep *_ep, /* configure endpoint control registers */ ep_reset(ep, ep->ep_num, is_in(ep), ep->ep_type); + /* configure endpoint capabilities in dQH */ + i = ep->ep_num * 2 + is_in(ep); + ep->dqh = &dev->ep_dqh[i]; + ep->dqh->dqh_ios = ios; + ep->dqh->dqh_mpl = cpu_to_le16(max); + ep->dqh->dqh_zlt = zlt; + ep->dqh->dqh_mult = mult; + ep->dqh->dtd_next = DTD_TERM; + dev_dbg(&dev->pdev->dev, "enabled %s (ep%d%s-%s), max %04x\n", _ep->name, ep->ep_num, @@ -1430,8 +1435,6 @@ static int eps_reinit(struct langwell_udc *dev) INIT_LIST_HEAD(&ep->queue); list_add_tail(&ep->ep.ep_list, &dev->gadget.ep_list); - - ep->dqh = &dev->ep_dqh[i]; } dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
