linux-kernel - [PATCH] usb: gadget: udc: remove unused usbf_ep_dma_reg

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Message-Id: <20230319155910.1706294-1-trix@redhat.com>
Date:   Sun, 19 Mar 2023 11:59:10 -0400
From:   Tom Rix <trix@...hat.com>
To:     herve.codina@...tlin.com, gregkh@...uxfoundation.org,
        nathan@...nel.org, ndesaulniers@...gle.com
Cc:     linux-renesas-soc@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        Tom Rix <trix@...hat.com>
Subject: [PATCH] usb: gadget: udc: remove unused usbf_ep_dma_reg_clrset function

clang with W=1 reports
drivers/usb/gadget/udc/renesas_usbf.c:548:20: error: unused function
  'usbf_ep_dma_reg_clrset' [-Werror,-Wunused-function]
static inline void usbf_ep_dma_reg_clrset(struct usbf_ep *ep, uint offset,
                   ^
This function is not used, so remove it.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 drivers/usb/gadget/udc/renesas_usbf.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/usb/gadget/udc/renesas_usbf.c b/drivers/usb/gadget/udc/renesas_usbf.c
index cb23e62e8a87..84ac9fe4ce7f 100644
--- a/drivers/usb/gadget/udc/renesas_usbf.c
+++ b/drivers/usb/gadget/udc/renesas_usbf.c
@@ -545,17 +545,6 @@ static inline void usbf_ep_dma_reg_bitclr(struct usbf_ep *ep, uint offset,
 	usbf_ep_dma_reg_writel(ep, offset, tmp);
 }
 
-static inline void usbf_ep_dma_reg_clrset(struct usbf_ep *ep, uint offset,
-					  u32 clr, u32 set)
-{
-	u32 tmp;
-
-	tmp = usbf_ep_dma_reg_readl(ep, offset);
-	tmp &= ~clr;
-	tmp |= set;
-	usbf_ep_dma_reg_writel(ep, offset, tmp);
-}
-
 static void usbf_ep0_send_null(struct usbf_ep *ep0, bool is_data1)
 {
 	u32 set;
-- 
2.27.0