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

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Date:	Mon, 22 Dec 2014 12:02:19 +0300
From:	Vasily Khoruzhick <anarsoul@...il.com>
To:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
Cc:	Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Robert Baldyga <r.baldyga@...sung.com>,
	Sachin Kamat <sachin.kamat@...aro.org>,
	Michal Sojka <sojka@...ica.cz>, Arnd Bergmann <arnd@...db.de>,
	linux-usb@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] usb: gadget: udc: s3c2410_udc.c: Remove some unused functions

On Sun, Dec 21, 2014 at 1:30 AM, Rickard Strandqvist
<rickard_strandqvist@...ctrumdigital.se> wrote:
> 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.

Looks OK to me.

> 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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