linux-kernel - Re: [PATCH v1 3/4] char: xillybus: Remove usage of remaining deprecated pci

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Date:   Mon, 30 Aug 2021 12:48:10 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     eli.billauer@...il.com, arnd@...db.de, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH v1 3/4] char: xillybus: Remove usage of remaining
 deprecated pci_ API

On Fri, Aug 27, 2021 at 07:17:47PM +0200, Christophe JAILLET wrote:
> diff --git a/drivers/char/xillybus/xillybus.h b/drivers/char/xillybus/xillybus.h
> index 7c71bdef7ccb..55d47cb13a7b 100644
> --- a/drivers/char/xillybus/xillybus.h
> +++ b/drivers/char/xillybus/xillybus.h
> @@ -87,7 +87,6 @@ struct xilly_channel {
>  };
>  
>  struct xilly_endpoint {
> -	struct pci_dev *pdev;
>  	struct device *dev;
>  	struct xilly_endpoint_hardware *ephw;
>  
> diff --git a/drivers/char/xillybus/xillybus_core.c b/drivers/char/xillybus/xillybus_core.c
> index 931d0bf4cec6..0ced9ec6977f 100644
> --- a/drivers/char/xillybus/xillybus_core.c
> +++ b/drivers/char/xillybus/xillybus_core.c
> @@ -1783,7 +1783,7 @@ struct xilly_endpoint *xillybus_init_endpoint(struct pci_dev *pdev,
>  	if (!endpoint)
>  		return NULL;
>  
> -	endpoint->pdev = pdev;
> +	(void)pdev;	// silence a compiler warning, will be removed

Just out of curiousity which compiler warning is this?  I don't think
GCC will complain.  I think there are other compilers which complain but
I don't know which.

>  	endpoint->dev = dev;
>  	endpoint->ephw = ephw;
>  	endpoint->msg_counter = 0x0b;

regards,
dan carpenter