[PATCH] mach-snapdragon: Update fdtfile logic to work for RB1 and RB2

[Sumit Garg]

On Wed, Apr 23, 2025 at 10:41:32AM +0530, Sumit Garg wrote:
> From: Sumit Garg <sumit.garg at oss.qualcomm.com>
> 
> RB1 and RB2 have three root compatibles where the last one can't be used
> to decode fdtfile name (qcm* vs qrb*). So rather just rely on the first
> compatible to retrieve the SoC name.
> 
> Signed-off-by: Sumit Garg <sumit.garg at oss.qualcomm.com>
> ---
>  arch/arm/mach-snapdragon/board.c | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)
>

Gentle ping for this fix review, I will like to see this landed in
2025.07.

-Sumit

> diff --git a/arch/arm/mach-snapdragon/board.c b/arch/arm/mach-snapdragon/board.c
> index deae4d32378..dc8220e89b4 100644
> --- a/arch/arm/mach-snapdragon/board.c
> +++ b/arch/arm/mach-snapdragon/board.c
> @@ -437,16 +437,24 @@ static void configure_env(void)
>  
>  	/* The Qualcomm reference boards (RBx, HDK, etc)  */
>  	if (!strncmp("qcom", buf, strlen("qcom"))) {
> +		char *soc;
> +
>  		/*
>  		 * They all have the first compatible as "qcom,<soc>-<board>"
>  		 * (e.g. "qcom,qrb5165-rb5"). We extract just the part after
>  		 * the dash.
>  		 */
> -		if (!strsep(&tmp, "-")) {
> +		if (!strsep(&tmp, ",")) {
> +			log_warning("compatible '%s' has no ','\n", buf);
> +			return;
> +		}
> +		soc = strsep(&tmp, "-");
> +		if (!soc) {
>  			log_warning("compatible '%s' has no '-'\n", buf);
>  			return;
>  		}
> -		/* tmp is now "rb5" */
> +
> +		env_set("soc", soc);
>  		env_set("board", tmp);
>  	} else {
>  		if (!strsep(&tmp, ",")) {
> -- 
> 2.43.0
>