Re: [PATCH] bus: sunxi-rsb: make sunxi_rsb_bus const

From: Jernej Škrabec
Date: Mon Feb 05 2024 - 13:14:20 EST


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@xxxxxxxxxxxxxxxxxxx>
> Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>

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

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,
>