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Subject[PATCH] usb: dwc3: ep0: Clean up unused variables
Date
Many variables in ep0 are set but never used, so should be removed.

Signed-off-by: Christos Gkekas <chris.gekas@gmail.com>
---
drivers/usb/dwc3/ep0.c | 20 --------------------
1 file changed, 20 deletions(-)

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 75e6cb0..a4dceae 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -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,
--
2.7.4
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