[PATCH] spl: ram: hide SPL_RAM_SUPPORT

[Sean Anderson]

On 9/10/24 05:00, Jerome Forissier wrote:
> Make SPL_RAM_SUPPORT a hidden Kconfig symbol, automatically selected
> by SPL_RAM_DEVICE or SPL_DFU. Avoids the situation where SPL_RAM_SUPPORT
> may be enabled without the other two being enabled, which results in the
> following build warning:
> 
> common/spl/spl_ram.c:19:14: warning: ‘spl_ram_load_read’ defined but not used [-Wunused-function]
>     19 | static ulong spl_ram_load_read(struct spl_load_info *load, ulong sector,
>        |              ^~~~~~~~~~~~~~~~~
> 
> Signed-off-by: Jerome Forissier <jerome.forissier at linaro.org>
> ---
>   common/spl/Kconfig | 8 ++------
>   1 file changed, 2 insertions(+), 6 deletions(-)
> 
> Replaces "spl: ram: fix build warning when neither RAM_DEVICE nor DFU
> are enabled" [1].
> 
> [1] https://lists.denx.de/pipermail/u-boot/2024-September/564302.html
> 
> diff --git a/common/spl/Kconfig b/common/spl/Kconfig
> index c08ff064493..885a012461c 100644
> --- a/common/spl/Kconfig
> +++ b/common/spl/Kconfig
> @@ -1238,15 +1238,11 @@ config SPL_POWER_DOMAIN
>   	  the drivers in drivers/power/domain as part of a SPL build.
>   
>   config SPL_RAM_SUPPORT
> -	bool "Support booting from RAM"
> -	default y if MICROBLAZE || ARCH_SOCFPGA || ARCH_TEGRA || ARCH_ZYNQ
> -	help
> -	  Enable booting of an image in RAM. The image can be preloaded or
> -	  it can be loaded by SPL directly into RAM (e.g. using USB).
> +	bool
>   
>   config SPL_RAM_DEVICE
>   	bool "Support booting from preloaded image in RAM"
> -	depends on SPL_RAM_SUPPORT
> +	select SPL_RAM_SUPPORT
>   	default y if MICROBLAZE || ARCH_SOCFPGA || ARCH_TEGRA || ARCH_ZYNQ
>   	help
>   	  Enable booting of an image already loaded in RAM. The image has to

I think SPL_DFU should also select SPL_RAM_SUPPORT

--Sean