linux-kernel - [PATCH] usb: gadget: udc: s3c2410_udc.c: Remove some unused functions

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Date:	Sat, 20 Dec 2014 23:30:11 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Robert Baldyga <r.baldyga@...sung.com>,
	Sachin Kamat <sachin.kamat@...aro.org>,
	Michal Sojka <sojka@...ica.cz>,
	Vasily Khoruzhick <anarsoul@...il.com>,
	Arnd Bergmann <arnd@...db.de>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] usb: gadget: udc: s3c2410_udc.c:  Remove some unused functions

Removes some functions that are not used anywhere:
s3c2410_udc_clear_ep_state() s3c2410_udc_set_ep0_sse_out()

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/usb/gadget/udc/s3c2410_udc.c |   20 --------------------
 1 file changed, 20 deletions(-)

diff --git a/drivers/usb/gadget/udc/s3c2410_udc.c b/drivers/usb/gadget/udc/s3c2410_udc.c
index ff423d1..41b60cd 100644
--- a/drivers/usb/gadget/udc/s3c2410_udc.c
+++ b/drivers/usb/gadget/udc/s3c2410_udc.c
@@ -238,14 +238,6 @@ static inline void s3c2410_udc_set_ep0_de_out(void __iomem *base)
 			S3C2410_UDC_EP0_CSR_REG);
 }
 
-static inline void s3c2410_udc_set_ep0_sse_out(void __iomem *base)
-{
-	udc_writeb(base, S3C2410_UDC_INDEX_EP0, S3C2410_UDC_INDEX_REG);
-	udc_writeb(base, (S3C2410_UDC_EP0_CSR_SOPKTRDY
-				| S3C2410_UDC_EP0_CSR_SSE),
-			S3C2410_UDC_EP0_CSR_REG);
-}
-
 static inline void s3c2410_udc_set_ep0_de_in(void __iomem *base)
 {
 	udc_writeb(base, S3C2410_UDC_INDEX_EP0, S3C2410_UDC_INDEX_REG);
@@ -291,18 +283,6 @@ static void s3c2410_udc_nuke(struct s3c2410_udc *udc,
 	}
 }
 
-static inline void s3c2410_udc_clear_ep_state(struct s3c2410_udc *dev)
-{
-	unsigned i;
-
-	/* hardware SET_{CONFIGURATION,INTERFACE} automagic resets endpoint
-	 * fifos, and pending transactions mustn't be continued in any case.
-	 */
-
-	for (i = 1; i < S3C2410_ENDPOINTS; i++)
-		s3c2410_udc_nuke(dev, &dev->ep[i], -ECONNABORTED);
-}
-
 static inline int s3c2410_udc_fifo_count_out(void)
 {
 	int tmp;
-- 
1.7.10.4

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