Re: [PATCH 1/2] tee: optee: don't fail on services enumeration failure

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

On 11/29/23 13:37, Etienne Carriere wrote:
> Change optee probe function to only warn when service enumeration
> sequence fails instead of reporting an optee driver probe failure.
> Indeed U-Boot can still use OP-TEE even if some OP-TEE services are
> not discovered.
> 
> Fixes: 94ccfb78a4d6 ("drivers: tee: optee: discover OP-TEE services")
> Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>
> ---
>  drivers/tee/optee/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c
> index 9a9b697e91..5308dd58ce 100644
> --- a/drivers/tee/optee/core.c
> +++ b/drivers/tee/optee/core.c
> @@ -841,7 +841,7 @@ static int optee_probe(struct udevice *dev)
>  	if (IS_ENABLED(CONFIG_OPTEE_SERVICE_DISCOVERY)) {
>  		ret = bind_service_drivers(dev);
>  		if (ret)
> -			return ret;
> +			dev_warn(dev, "optee service enumeration failed: %d\n", ret);
>  	} else if (IS_ENABLED(CONFIG_RNG_OPTEE)) {
>  		/*
>  		 * Discovery of TAs on the TEE bus is not supported in U-Boot:

Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>

Thanks
Patrice