linux-kernel - Re: [PATCH v2 48/48] usb: gadget: epautoconf: cleanup dead code

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Date:	Tue, 14 Jul 2015 14:16:27 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Robert Baldyga <r.baldyga@...sung.com>, gregkh@...uxfoundation.org,
	balbi@...com
Cc:	Peter.Chen@...escale.com, johnyoun@...opsys.com,
	dahlmann.thomas@...or.de, nicolas.ferre@...el.com,
	cernekee@...il.com, leoli@...escale.com, daniel@...que.org,
	haojian.zhuang@...il.com, robert.jarzmik@...e.fr,
	michal.simek@...inx.com, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-geode@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linuxppc-dev@...ts.ozlabs.org, andrzej.p@...sung.com,
	m.szyprowski@...sung.com
Subject: Re: [PATCH v2 48/48] usb: gadget: epautoconf: cleanup dead code

Hello.

On 7/14/2015 12:39 PM, Robert Baldyga wrote:

> Function find_ep() is no longer needed here, so we can remove it.
> We also don't use anything from gadget_chips.h header any longer.

> Signed-off-by: Robert Baldyga <r.baldyga@...sung.com>
> ---
>   drivers/usb/gadget/epautoconf.c | 14 --------------
>   1 file changed, 14 deletions(-)

> diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
> index e9a8682..9a80925 100644
> --- a/drivers/usb/gadget/epautoconf.c
> +++ b/drivers/usb/gadget/epautoconf.c
> @@ -20,20 +20,6 @@
>   #include <linux/usb/ch9.h>
>   #include <linux/usb/gadget.h>
>
> -#include "gadget_chips.h"
> -
> -static struct usb_ep *
> -find_ep (struct usb_gadget *gadget, const char *name)
> -{
> -	struct usb_ep	*ep;
> -
> -	list_for_each_entry (ep, &gadget->ep_list, ep_list) {
> -		if (0 == strcmp (ep->name, name))
> -			return ep;
> -	}
> -	return NULL;
> -}
> -

    I don't think duplicating the function in each driver that needs it is 
better than turniong this function into public.

WBR, Sergei

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