linux-kernel - Re: [greybus-dev] [PATCH 10/11] greybus: usb: constify hc

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Message-ID: <20170731042552.GC5804@vireshk-i7>
Date:   Mon, 31 Jul 2017 09:55:52 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Julia Lawall <Julia.Lawall@...6.fr>
Cc:     Johan Hovold <johan@...nel.org>, devel@...verdev.osuosl.org,
        Alex Elder <elder@...nel.org>, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org, greybus-dev@...ts.linaro.org
Subject: Re: [greybus-dev] [PATCH 10/11] greybus: usb: constify hc_driver
 structures

On 28-07-17, 22:41, Julia Lawall wrote:
> The hc_driver structure is only passed as the first argument to
> usb_create_hcd, which is declared as const.  Thus the hc_driver structure
> itself can be const.
> 
> Done with the help of Coccinelle.
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
> 
> ---
>  drivers/staging/greybus/usb.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/greybus/usb.c b/drivers/staging/greybus/usb.c
> index ccadda0..f93a76d 100644
> --- a/drivers/staging/greybus/usb.c
> +++ b/drivers/staging/greybus/usb.c
> @@ -139,7 +139,7 @@ static int hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex,
>  	return ret;
>  }
>  
> -static struct hc_driver usb_gb_hc_driver = {
> +static const struct hc_driver usb_gb_hc_driver = {
>  	.description = "greybus-hcd",
>  	.product_desc = "Greybus USB Host Controller",
>  	.hcd_priv_size = sizeof(struct gb_usb_device),

Reviewed-by: Viresh Kumar <viresh.kumar@...aro.org>

-- 
viresh