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Commit 86763723 authored by Christos Gkekas's avatar Christos Gkekas Committed by Felipe Balbi
Browse files

usb: dwc3: ep0: Clean up unused variables 



Many variables in ep0 are set but never used, so should be removed.

Signed-off-by: default avatarChristos Gkekas <chris.gekas@gmail.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent d8fae8b9

drivers/usb/dwc3/ep0.c

+0 −20
Original line number Diff line number Diff line
@@ -487,14 +487,10 @@ static int dwc3_ep0_handle_device(struct dwc3 *dwc, 
static int dwc3_ep0_handle_intf(struct dwc3 *dwc,

		struct usb_ctrlrequest *ctrl, int set)

{

	enum usb_device_state	state;

	u32			wValue;

	u32			wIndex;

	int			ret = 0;



	wValue = le16_to_cpu(ctrl->wValue);

	wIndex = le16_to_cpu(ctrl->wIndex);

	state = dwc->gadget.state;



	switch (wValue) {

	case USB_INTRF_FUNC_SUSPEND:
@@ -517,14 +513,10 @@ static int dwc3_ep0_handle_endpoint(struct dwc3 *dwc, 
		struct usb_ctrlrequest *ctrl, int set)

{

	struct dwc3_ep		*dep;

	enum usb_device_state	state;

	u32			wValue;

	u32			wIndex;

	int			ret;



	wValue = le16_to_cpu(ctrl->wValue);

	wIndex = le16_to_cpu(ctrl->wIndex);

	state = dwc->gadget.state;



	switch (wValue) {

	case USB_ENDPOINT_HALT:
@@ -551,10 +543,8 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc, 
{

	u32			recip;

	int			ret;

	enum usb_device_state	state;



	recip = ctrl->bRequestType & USB_RECIP_MASK;

	state = dwc->gadget.state;



	switch (recip) {

	case USB_RECIP_DEVICE:
@@ -712,12 +702,10 @@ static int dwc3_ep0_set_sel(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) 
	struct dwc3_ep	*dep;

	enum usb_device_state state = dwc->gadget.state;

	u16		wLength;

	u16		wValue;



	if (state == USB_STATE_DEFAULT)

		return -EINVAL;



	wValue = le16_to_cpu(ctrl->wValue);

	wLength = le16_to_cpu(ctrl->wLength);



	if (wLength != 6) {
@@ -842,9 +830,6 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, 
	struct usb_request	*ur;

	struct dwc3_trb		*trb;

	struct dwc3_ep		*ep0;

	unsigned		maxp;

	unsigned		remaining_ur_length;

	void			*buf;

	u32			transferred = 0;

	u32			status;

	u32			length;
@@ -871,11 +856,8 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, 
	}



	ur = &r->request;

	buf = ur->buf;

	remaining_ur_length = ur->length;



	length = trb->size & DWC3_TRB_SIZE_MASK;

	maxp = ep0->endpoint.maxpacket;

	transferred = ur->length - length;

	ur->actual += transferred;
@@ -1001,7 +983,6 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, 
	} else if (IS_ALIGNED(req->request.length, dep->endpoint.maxpacket) &&

		   req->request.length && req->request.zero) {

		u32	maxpacket;

		u32	rem;



		ret = usb_gadget_map_request_by_dev(dwc->sysdev,

				&req->request, dep->number);
@@ -1009,7 +990,6 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, 
			return;



		maxpacket = dep->endpoint.maxpacket;

		rem = req->request.length % maxpacket;



		/* prepare normal TRB */

		dwc3_ep0_prepare_one_trb(dep, req->request.dma,