linux-kernel - Re: [PATCH] usb: cdns3: Fixed kernel test robot warning

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Date:   Wed, 9 Dec 2020 13:12:19 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Souptick Joarder <jrdr.linux@...il.com>, pawell@...ence.com,
        peter.chen@....com, rogerq@...com, a-govindraju@...com,
        gregkh@...uxfoundation.org
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: cdns3: Fixed kernel test robot warning

On 12/9/20 12:15 PM, Souptick Joarder wrote:
> Kernel test robot throws below warning ->
> 
> In file included from drivers/usb/cdns3/core.c:23:
>>> drivers/usb/cdns3/host-export.h:27:51: warning: 'struct usb_hcd'
>>> declared inside parameter list will not be visible outside of this
>>> definition or declaration
>       27 | static inline int xhci_cdns3_suspend_quirk(struct usb_hcd
> *hcd)
>          |                                                   ^~~~~~~
> 
> This patch will silence it.

Really?  Didn't silence it for me when I tested this patch.

Also, please see

https://lore.kernel.org/linux-usb/DBBPR04MB7979502194410BB1AE96DF038BCC0@DBBPR04MB7979.eurprd04.prod.outlook.com/T/#m7f73fdd57c0f1577fb610dcaf28646b53fa7dc26

(what a strange URL)

I now get these 2 warnings:

In file included from ../drivers/usb/cdns3/core.c:23:0:
../drivers/usb/cdns3/host-export.h:27:44: warning: ‘struct usb_hcd’ declared inside parameter list will not be visible outside of this definition or declaration
 static int xhci_cdns3_suspend_quirk(struct usb_hcd *hcd)
                                            ^~~~~~~
  CC [M]  drivers/usb/gadget/function/uvc_queue.o
../drivers/usb/cdns3/host-export.h:27:12: warning: ‘xhci_cdns3_suspend_quirk’ defined but not used [-Wunused-function]
 static int xhci_cdns3_suspend_quirk(struct usb_hcd *hcd)
            ^~~~~~~~~~~~~~~~~~~~~~~~


> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
> ---
>  drivers/usb/cdns3/host-export.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/cdns3/host-export.h b/drivers/usb/cdns3/host-export.h
> index fb8541b..c1259af 100644
> --- a/drivers/usb/cdns3/host-export.h
> +++ b/drivers/usb/cdns3/host-export.h
> @@ -24,7 +24,7 @@ static inline int cdns_host_init(struct cdns *cdns)
>  }
>  
>  static inline void cdns_host_exit(struct cdns *cdns) { }
> -static inline int xhci_cdns3_suspend_quirk(struct usb_hcd *hcd)
> +static int xhci_cdns3_suspend_quirk(struct usb_hcd *hcd)
>  {
>  	return 0;
>  }
> 


-- 
~Randy
Reported-by: Randy Dunlap <rdunlap@...radead.org>