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* [PATCH] usb: gadget: udc: remove unused usbf_ep_dma_reg_clrset function
@ 2023-03-19 15:59 Tom Rix
  2023-03-19 18:24 ` Herve Codina
  0 siblings, 1 reply; 2+ messages in thread
From: Tom Rix @ 2023-03-19 15:59 UTC (permalink / raw)
  To: herve.codina, gregkh, nathan, ndesaulniers
  Cc: linux-renesas-soc, linux-usb, linux-kernel, llvm, Tom Rix

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@redhat.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


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] usb: gadget: udc: remove unused usbf_ep_dma_reg_clrset function
  2023-03-19 15:59 [PATCH] usb: gadget: udc: remove unused usbf_ep_dma_reg_clrset function Tom Rix
@ 2023-03-19 18:24 ` Herve Codina
  0 siblings, 0 replies; 2+ messages in thread
From: Herve Codina @ 2023-03-19 18:24 UTC (permalink / raw)
  To: Tom Rix
  Cc: gregkh, nathan, ndesaulniers, linux-renesas-soc, linux-usb,
	linux-kernel, llvm

Hi Tom,

On Sun, 19 Mar 2023 11:59:10 -0400
Tom Rix <trix@redhat.com> wrote:

> 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@redhat.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;

Yes, indeed.

Acked-by: Herve Codina <herve.codina@bootlin.com>

Thanks for the patch.
Regards,
Hervé

-- 
Hervé Codina, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2023-03-19 15:59 [PATCH] usb: gadget: udc: remove unused usbf_ep_dma_reg_clrset function Tom Rix
2023-03-19 18:24 ` Herve Codina

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