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Commit 3eed298f authored by JiebingLi's avatar JiebingLi Committed by Greg Kroah-Hartman
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USB: langwell: USB Client Endpoint initialization 



Endpoint software structure initialization

Signed-off-by: default avatarJiebingLi <jiebing.li@intel.com>
Signed-off-by: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 5f81f4b0

drivers/usb/gadget/langwell_udc.c

+13 −10
Original line number Diff line number Diff line
@@ -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__);