linux-kernel - Re: [PATCH] bus: sunxi-rsb: make sunxi_rsb

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Date: Mon, 05 Feb 2024 19:14:09 +0100
From: Jernej Škrabec <jernej.skrabec@...il.com>
To: Chen-Yu Tsai <wens@...e.org>, Samuel Holland <samuel@...lland.org>,
 "Ricardo B. Marliere" <ricardo@...liere.net>
Cc: linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
 linux-kernel@...r.kernel.org,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: Re: [PATCH] bus: sunxi-rsb: make sunxi_rsb_bus const

Dne nedelja, 04. februar 2024 ob 16:56:44 CET je Ricardo B. Marliere napisal(a):
> Now that the driver core can properly handle constant struct bus_type,
> move the sunxi_rsb_bus variable to be a constant structure as well,
> placing it into read-only memory which can not be modified at runtime.
> 
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Suggested-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Signed-off-by: Ricardo B. Marliere <ricardo@...liere.net>

Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>

Best regards,
Jernej

> ---
>  drivers/bus/sunxi-rsb.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
> index fd3e9d82340a..1e29ba76615d 100644
> --- a/drivers/bus/sunxi-rsb.c
> +++ b/drivers/bus/sunxi-rsb.c
> @@ -128,7 +128,7 @@ struct sunxi_rsb {
>  };
>  
>  /* bus / slave device related functions */
> -static struct bus_type sunxi_rsb_bus;
> +static const struct bus_type sunxi_rsb_bus;
>  
>  static int sunxi_rsb_device_match(struct device *dev, struct device_driver *drv)
>  {
> @@ -177,7 +177,7 @@ static int sunxi_rsb_device_modalias(const struct device *dev, struct kobj_ueven
>  	return of_device_uevent_modalias(dev, env);
>  }
>  
> -static struct bus_type sunxi_rsb_bus = {
> +static const struct bus_type sunxi_rsb_bus = {
>  	.name		= RSB_CTRL_NAME,
>  	.match		= sunxi_rsb_device_match,
>  	.probe		= sunxi_rsb_device_probe,
> 
> ---
> base-commit: 38ed19495066966979ba821b9e0f549ad5ea620d
> change-id: 20240204-bus_cleanup-bus-de90b25d7ce6
> 
> Best regards,
>