[PATCH next v3] Kconfig: select SPL_USE_TINY_PRINTF_POINTER_SUPPORT for K3

[Anshul Dalal]

Hi all,

Any updates on this patch? If possible could we pull this fix into
master as well for the 2026.01 release?

On Thu Dec 4, 2025 at 4:42 PM IST, Anshul Dalal wrote:
> Since the commit 1e24e84db41a ("tiny-printf: Handle formatting of %p
> with an extra Kconfig"), SPL_USE_TINY_PRINTF_POINTER_SUPPORT has been
> made mandatory in order to use %p which would earlier have defaulted to
> a 'long' print.
>
> Without this config symbol, k3_sysfw_dfu_download fails to set the
> correct value for the DFU string with:
>
>  sprintf(dfu_str, "sysfw.itb ram 0x%p 0x%x", addr,
>    CONFIG_K3_SYSFW_IMAGE_SIZE_MAX);
>
> The value we get "sysfw.itb ram 0x? 0x41c29d40" causes a boot failure.
>
> Therefore this patch sets SPL_USE_TINY_PRINTF_POINTER_SUPPORT for all K3
> devices since the size impact is less than 100 bytes.
>
> Signed-off-by: Anshul Dalal <anshuld at ti.com>
> ---
> Changes in v3:
> - Handle setting the config in Kconfig instead of the defconfig
> - Link to v2: https://lore.kernel.org/r/20251105-am65_dfu_fix-v2-1-ccada89d966d@ti.com
>
> Changes in v2:
> - Remove unrelated changes
> - Link to v1: https://lore.kernel.org/r/20251105-am65_dfu_fix-v1-1-acc29111dccf@ti.com
> ---
>  arch/arm/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 3db5474a05b..7756ed000b1 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -830,6 +830,7 @@ config ARCH_K3
>  	bool "Texas Instruments' K3 Architecture"
>  	select SPL
>  	select SUPPORT_SPL
> +	select SPL_USE_TINY_PRINTF_POINTER_SUPPORT
>  	select FIT
>  	select REGEX
>  	select FIT_SIGNATURE if ARM64
>
> ---
> base-commit: dca19206acf2af2d339087bb62aa0b8ee1b0e326
> change-id: 20251105-am65_dfu_fix-1144eec06b19
>
> Best regards,