[PATCH v1] mach-k3: fix reading size and addr from fdt on R5

[Dhruva Gole]

On Sep 03, 2025 at 16:47:02 +0530, Anshul Dalal wrote:
> fdtdec_get_addr_size uses architecture dependent datatypes which causes
> the 32-bit R5 to fail when reading the 64-bit size and addr fields of
> reg nodes from the fdt.
> 
> Therefore change it to a common api for both 64 and 32 bit platforms to
> allow for fdt fixups from R5.
> 
> Fixes: 8b0fc29de0e3 ("arm: mach-k3: am62: Fixup TF-A/OP-TEE reserved-memory node in FDT")
> Signed-off-by: Anshul Dalal <anshuld at ti.com>
> ---
>  arch/arm/mach-k3/common_fdt.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-k3/common_fdt.c b/arch/arm/mach-k3/common_fdt.c
> index 2777354c6ab..1e6786f6c20 100644
> --- a/arch/arm/mach-k3/common_fdt.c
> +++ b/arch/arm/mach-k3/common_fdt.c
> @@ -140,7 +140,9 @@ int fdt_fixup_reserved(void *blob, const char *name,
>  			return -EINVAL;
>  		if (!strncmp(node_name, name, strlen(name))) {
>  			/* Read out old size first */
> -			addr = fdtdec_get_addr_size(blob, subnode, "reg", &size);
> +			addr = fdtdec_get_addr_size_auto_parent(
> +				blob, nodeoffset, subnode, "reg", 0, &size,
> +				false);

Reviewed-by: Dhruva Gole <d-gole at ti.com>

-- 
Best regards,
Dhruva Gole
Texas Instruments Incorporated