linux-kernel - Re: [PATCH] nvmem: core: make nvmem_layout_bus

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Date: Thu, 15 Feb 2024 08:49:14 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: "Ricardo B. Marliere" <ricardo@...liere.net>
Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nvmem: core: make nvmem_layout_bus_type const

On Wed, Feb 14, 2024 at 04:04:57PM -0300, Ricardo B. Marliere wrote:
> Since commit d492cc2573a0 ("driver core: device.h: make struct bus_type
> a const *"), the driver core can properly handle constant struct
> bus_type, move the nvmem_layout_bus_type 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>
> ---
>  drivers/nvmem/layouts.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/nvmem/layouts.c b/drivers/nvmem/layouts.c
> index 6a6aa58369ff..8b5e2de138eb 100644
> --- a/drivers/nvmem/layouts.c
> +++ b/drivers/nvmem/layouts.c
> @@ -45,7 +45,7 @@ static void nvmem_layout_bus_remove(struct device *dev)
>  	return drv->remove(layout);
>  }
>  
> -static struct bus_type nvmem_layout_bus_type = {
> +static const struct bus_type nvmem_layout_bus_type = {
>  	.name		= "nvmem-layout",
>  	.match		= nvmem_layout_bus_match,
>  	.probe		= nvmem_layout_bus_probe,
> 
> ---
> base-commit: 2c8df24cc166478910c4e9e870adf44d157330fa
> change-id: 20240214-bus_cleanup-nvmem2-b77804172a0b
> 


Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>