Re: [PATCH] bus: firewall: Fix missing static inline annotations for stubs

[Patrice CHOTARD <patrice.chotard@foss.st.com>]

On 5/7/25 11:21, Krzysztof Kozlowski wrote:
> Stubs in the header file for !CONFIG_STM32_FIREWALL case should be both
> static and inline, because they do not come with earlier declaration and
> should be inlined in every unit including the header.
> 
> Cc: Patrice Chotard <patrice.chotard@foss.st.com>
> Cc: <stable@vger.kernel.org>
> Fixes: 5c9668cfc6d7 ("firewall: introduce stm32_firewall framework")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
>  include/linux/bus/stm32_firewall_device.h | 15 +++++++++------
>  1 file changed, 9 insertions(+), 6 deletions(-)
> 
> diff --git a/include/linux/bus/stm32_firewall_device.h b/include/linux/bus/stm32_firewall_device.h
> index 5178b72bc920..eaa7a3f54450 100644
> --- a/include/linux/bus/stm32_firewall_device.h
> +++ b/include/linux/bus/stm32_firewall_device.h
> @@ -114,27 +114,30 @@ void stm32_firewall_release_access_by_id(struct stm32_firewall *firewall, u32 su
>  
>  #else /* CONFIG_STM32_FIREWALL */
>  
> -int stm32_firewall_get_firewall(struct device_node *np, struct stm32_firewall *firewall,
> -				unsigned int nb_firewall)
> +static inline int stm32_firewall_get_firewall(struct device_node *np,
> +					      struct stm32_firewall *firewall,
> +					      unsigned int nb_firewall)
>  {
>  	return -ENODEV;
>  }
>  
> -int stm32_firewall_grant_access(struct stm32_firewall *firewall)
> +static inline int stm32_firewall_grant_access(struct stm32_firewall *firewall)
>  {
>  	return -ENODEV;
>  }
>  
> -void stm32_firewall_release_access(struct stm32_firewall *firewall)
> +static inline void stm32_firewall_release_access(struct stm32_firewall *firewall)
>  {
>  }
>  
> -int stm32_firewall_grant_access_by_id(struct stm32_firewall *firewall, u32 subsystem_id)
> +static inline int stm32_firewall_grant_access_by_id(struct stm32_firewall *firewall,
> +						    u32 subsystem_id)
>  {
>  	return -ENODEV;
>  }
>  
> -void stm32_firewall_release_access_by_id(struct stm32_firewall *firewall, u32 subsystem_id)
> +static inline void stm32_firewall_release_access_by_id(struct stm32_firewall *firewall,
> +						       u32 subsystem_id)
>  {
>  }
>  
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>

Thanks
Patrice