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Commit 16e78db7 authored by Ido Shayevitz's avatar Ido Shayevitz Committed by Felipe Balbi
Browse files

usb: dwc3: Update dwc3 udc to use usb_endpoint_descriptor inside the struct usb_ep 



Remove redundant pointer to struct usb_endpoint_descriptor.

Signed-off-by: default avatarIdo Shayevitz <idos@codeaurora.org>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 31fb6014

drivers/usb/dwc3/core.h

+0 −1
Original line number Diff line number Diff line
@@ -361,7 +361,6 @@ struct dwc3_ep { 
	dma_addr_t		trb_pool_dma;

	u32			free_slot;

	u32			busy_slot;

	const struct usb_endpoint_descriptor *desc;

	const struct usb_ss_ep_comp_descriptor *comp_desc;

	struct dwc3		*dwc;

drivers/usb/dwc3/ep0.c

+1 −1
Original line number Diff line number Diff line
@@ -179,7 +179,7 @@ int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request, 
	int				ret;



	spin_lock_irqsave(&dwc->lock, flags);

	if (!dep->desc) {

	if (!dep->endpoint.desc) {

		dev_dbg(dwc->dev, "trying to queue request %p to disabled %s\n",

				request, dep->name);

		ret = -ESHUTDOWN;

drivers/usb/dwc3/gadget.c

+18 −19
Original line number Diff line number Diff line
@@ -178,8 +178,8 @@ int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc) 
		if (!(dep->flags & DWC3_EP_ENABLED))

			continue;



		if (usb_endpoint_xfer_bulk(dep->desc)

				|| usb_endpoint_xfer_isoc(dep->desc))

		if (usb_endpoint_xfer_bulk(dep->endpoint.desc)

				|| usb_endpoint_xfer_isoc(dep->endpoint.desc))

			mult = 3;



		/*
@@ -229,7 +229,7 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, 
		 * completed (not the LINK TRB).

		 */

		if (((dep->busy_slot & DWC3_TRB_MASK) == DWC3_TRB_NUM - 1) &&

				usb_endpoint_xfer_isoc(dep->desc))

				usb_endpoint_xfer_isoc(dep->endpoint.desc))

			dep->busy_slot++;

	}

	list_del(&req->list);
@@ -470,7 +470,7 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, 
		if (ret)

			return ret;



		dep->desc = desc;

		dep->endpoint.desc = desc;

		dep->comp_desc = comp_desc;

		dep->type = usb_endpoint_type(desc);

		dep->flags |= DWC3_EP_ENABLED;
@@ -533,7 +533,6 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep) 
	dwc3_writel(dwc->regs, DWC3_DALEPENA, reg);



	dep->stream_capable = false;

	dep->desc = NULL;

	dep->endpoint.desc = NULL;

	dep->comp_desc = NULL;

	dep->type = 0;
@@ -694,7 +693,7 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, 


	/* Skip the LINK-TRB on ISOC */

	if (((cur_slot & DWC3_TRB_MASK) == DWC3_TRB_NUM - 1) &&

			usb_endpoint_xfer_isoc(dep->desc))

			usb_endpoint_xfer_isoc(dep->endpoint.desc))

		return;



	if (!req->trb) {
@@ -707,7 +706,7 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, 
	trb->bpl = lower_32_bits(dma);

	trb->bph = upper_32_bits(dma);



	switch (usb_endpoint_type(dep->desc)) {

	switch (usb_endpoint_type(dep->endpoint.desc)) {

	case USB_ENDPOINT_XFER_CONTROL:

		trb->ctrl = DWC3_TRBCTL_CONTROL_SETUP;

		break;
@@ -732,7 +731,7 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, 
		BUG();

	}



	if (usb_endpoint_xfer_isoc(dep->desc)) {

	if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) {

		trb->ctrl |= DWC3_TRB_CTRL_ISP_IMI;

		trb->ctrl |= DWC3_TRB_CTRL_CSP;

	} else {
@@ -743,7 +742,7 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, 
			trb->ctrl |= DWC3_TRB_CTRL_LST;

	}



	if (usb_endpoint_xfer_bulk(dep->desc) && dep->stream_capable)

	if (usb_endpoint_xfer_bulk(dep->endpoint.desc) && dep->stream_capable)

		trb->ctrl |= DWC3_TRB_CTRL_SID_SOFN(req->request.stream_id);



	trb->ctrl |= DWC3_TRB_CTRL_HWO;
@@ -771,7 +770,7 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting) 
	trbs_left = (dep->busy_slot - dep->free_slot) & DWC3_TRB_MASK;



	/* Can't wrap around on a non-isoc EP since there's no link TRB */

	if (!usb_endpoint_xfer_isoc(dep->desc)) {

	if (!usb_endpoint_xfer_isoc(dep->endpoint.desc)) {

		max = DWC3_TRB_NUM - (dep->free_slot & DWC3_TRB_MASK);

		if (trbs_left > max)

			trbs_left = max;
@@ -797,7 +796,7 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting) 
		 * processed from the first TRB until the last one. Since we

		 * don't wrap around we have to start at the beginning.

		 */

		if (usb_endpoint_xfer_isoc(dep->desc)) {

		if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) {

			dep->busy_slot = 1;

			dep->free_slot = 1;

		} else {
@@ -807,7 +806,7 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting) 
	}



	/* The last TRB is a link TRB, not used for xfer */

	if ((trbs_left <= 1) && usb_endpoint_xfer_isoc(dep->desc))

	if ((trbs_left <= 1) && usb_endpoint_xfer_isoc(dep->endpoint.desc))

		return;



	list_for_each_entry_safe(req, n, &dep->request_list, list) {
@@ -984,7 +983,7 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) 
		int start_trans;



		start_trans = 1;

		if (usb_endpoint_xfer_isoc(dep->desc) &&

		if (usb_endpoint_xfer_isoc(dep->endpoint.desc) &&

				(dep->flags & DWC3_EP_BUSY))

			start_trans = 0;
@@ -1011,7 +1010,7 @@ static int dwc3_gadget_ep_queue(struct usb_ep *ep, struct usb_request *request, 


	int				ret;



	if (!dep->desc) {

	if (!dep->endpoint.desc) {

		dev_dbg(dwc->dev, "trying to queue request %p to disabled %s\n",

				request, ep->name);

		return -ESHUTDOWN;
@@ -1125,7 +1124,7 @@ static int dwc3_gadget_ep_set_halt(struct usb_ep *ep, int value) 


	spin_lock_irqsave(&dwc->lock, flags);



	if (usb_endpoint_xfer_isoc(dep->desc)) {

	if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) {

		dev_err(dwc->dev, "%s is of Isochronous type\n", dep->name);

		ret = -EINVAL;

		goto out;
@@ -1681,7 +1680,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, 
	case DWC3_DEPEVT_XFERCOMPLETE:

		dep->res_trans_idx = 0;



		if (usb_endpoint_xfer_isoc(dep->desc)) {

		if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) {

			dev_dbg(dwc->dev, "%s is an Isochronous endpoint\n",

					dep->name);

			return;
@@ -1690,7 +1689,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, 
		dwc3_endpoint_transfer_complete(dwc, dep, event, 1);

		break;

	case DWC3_DEPEVT_XFERINPROGRESS:

		if (!usb_endpoint_xfer_isoc(dep->desc)) {

		if (!usb_endpoint_xfer_isoc(dep->endpoint.desc)) {

			dev_dbg(dwc->dev, "%s is not an Isochronous endpoint\n",

					dep->name);

			return;
@@ -1699,7 +1698,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, 
		dwc3_endpoint_transfer_complete(dwc, dep, event, 0);

		break;

	case DWC3_DEPEVT_XFERNOTREADY:

		if (usb_endpoint_xfer_isoc(dep->desc)) {

		if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) {

			dwc3_gadget_start_isoc(dwc, dep, event);

		} else {

			int ret;
@@ -1720,7 +1719,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, 


		break;

	case DWC3_DEPEVT_STREAMEVT:

		if (!usb_endpoint_xfer_bulk(dep->desc)) {

		if (!usb_endpoint_xfer_bulk(dep->endpoint.desc)) {

			dev_err(dwc->dev, "Stream event for non-Bulk %s\n",

					dep->name);

			return;