Fixes gcc '-Wunused-but-set-variable' warning:
drivers/usb/gadget/udc/lpc32xx_udc.c: In function ‘udc_protocol_cmd_r’:
drivers/usb/gadget/udc/lpc32xx_udc.c:744:6: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable]
drivers/usb/gadget/udc/lpc32xx_udc.c: In function ‘udc_handle_dma_ep’:
drivers/usb/gadget/udc/lpc32xx_udc.c:1994:14: warning: variable ‘epstatus’ set but not used [-Wunused-but-set-variable]
drivers/usb/gadget/udc/lpc32xx_udc.c: In function ‘udc_handle_ep0_setup’:
drivers/usb/gadget/udc/lpc32xx_udc.c:2200:22: warning: variable ‘wLength’ set but not used [-Wunused-but-set-variable]
It is not used since commit 90fccb529d24 ("usb: gadget: Gadget directory cleanup - group UDC drivers")
Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx>
---
drivers/usb/gadget/udc/lpc32xx_udc.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c
index 606c8bc..b3e073f 100644
--- a/drivers/usb/gadget/udc/lpc32xx_udc.c
+++ b/drivers/usb/gadget/udc/lpc32xx_udc.c
@@ -741,7 +741,6 @@ static inline void udc_protocol_cmd_data_w(struct lpc32xx_udc *udc, u32 cmd,
* response data */
static u32 udc_protocol_cmd_r(struct lpc32xx_udc *udc, u32 cmd)
{
- u32 tmp;
int to = 1000;
/* Write a command and read data from the protocol engine */
@@ -751,7 +750,6 @@ static u32 udc_protocol_cmd_r(struct lpc32xx_udc *udc, u32 cmd)
/* Write command code */
udc_protocol_cmd_w(udc, cmd);
- tmp = readl(USBD_DEVINTST(udc->udp_baseaddr));
while ((!(readl(USBD_DEVINTST(udc->udp_baseaddr)) & USBD_CDFULL))
&& (to > 0))
to--;
@@ -1991,7 +1989,7 @@ void udc_handle_eps(struct lpc32xx_udc *udc, struct lpc32xx_ep *ep)
/* DMA end of transfer completion */
static void udc_handle_dma_ep(struct lpc32xx_udc *udc, struct lpc32xx_ep *ep)
{
- u32 status, epstatus;
+ u32 status;
struct lpc32xx_request *req;
struct lpc32xx_usbd_dd_gad *dd;
@@ -2085,7 +2083,7 @@ static void udc_handle_dma_ep(struct lpc32xx_udc *udc, struct lpc32xx_ep *ep)
if (udc_clearep_getsts(udc, ep->hwep_num) & EP_SEL_F) {
udc_clearep_getsts(udc, ep->hwep_num);
uda_enable_hwepint(udc, ep->hwep_num);
- epstatus = udc_clearep_getsts(udc, ep->hwep_num);
+ udc_clearep_getsts(udc, ep->hwep_num);
/* Let the EP interrupt handle the ZLP */
return;
@@ -2197,7 +2195,7 @@ static void udc_handle_ep0_setup(struct lpc32xx_udc *udc)
struct lpc32xx_ep *ep, *ep0 = &udc->ep[0];
struct usb_ctrlrequest ctrlpkt;
int i, bytes;
- u16 wIndex, wValue, wLength, reqtype, req, tmp;
+ u16 wIndex, wValue, reqtype, req, tmp;
/* Nuke previous transfers */
nuke(ep0, -EPROTO);
@@ -2213,7 +2211,6 @@ static void udc_handle_ep0_setup(struct lpc32xx_udc *udc)
/* Native endianness */
wIndex = le16_to_cpu(ctrlpkt.wIndex);
wValue = le16_to_cpu(ctrlpkt.wValue);
- wLength = le16_to_cpu(ctrlpkt.wLength);
reqtype = le16_to_cpu(ctrlpkt.bRequestType);
/* Set direction of EP0 */
--
2.7.4
