[PATCH] cpuidle: psci: Do not log probe deferral as an error

[Prasanna Kumar T S M]

Hi Loic,

On 20-10-2026 19:56, Loic Poulain wrote:
> psci_cpuidle_domain_probe() reports every failure with pr_err(),
> including -EPROBE_DEFER. dt_idle_pd_init_topology() returns that
> whenever a parent domain is not registered yet, which is a normal and
> recoverable condition, so an otherwise successful boot still logs an
> error:
> 
>    CPUidle PSCI: failed to create CPU PM domains ret=-517
> 
> Report the failure with dev_err_probe() instead, which downgrade
> -EPROBE_DEFER to a debug message while still logging genuine errors.
> 
> Signed-off-by: Loic Poulain <loic.poulain at oss.qualcomm.com>
> ---
>   drivers/cpuidle/cpuidle-psci-domain.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/cpuidle/cpuidle-psci-domain.c b/drivers/cpuidle/cpuidle-psci-domain.c
> index b9e4ad7d43a3310a76ce62018dff0af1488e33d2..aa73a2fa14b3af4d1e3edd607e058ba96132bad7 100644
> --- a/drivers/cpuidle/cpuidle-psci-domain.c
> +++ b/drivers/cpuidle/cpuidle-psci-domain.c
> @@ -173,8 +173,7 @@ static int psci_cpuidle_domain_probe(struct platform_device *pdev)
>   	dt_idle_pd_remove_topology(np);
>   	psci_pd_remove();
>   exit:
> -	pr_err("failed to create CPU PM domains ret=%d\n", ret);
> -	return ret;
> +	return dev_err_probe(&pdev->dev, ret, "failed to create CPU PM domains\n");
>   }
>   
>   static struct platform_driver psci_cpuidle_domain_driver = {
> 

Reviewed-by: Prasanna Kumar T S M <ptsm at linux.microsoft.com>

> ---
> base-commit: f49a343b305c0b6c19a3b50c0bbf10bcd0e2e8fd
> change-id: 20261020-cpuidle-defer-4e6184bef223
> 
> Best regards,


Thanks,
Prasanna Kumar