[PATCH v7 1/3] scmi-cpufreq: Remove deferred probe

Viresh Kumar viresh.kumar at linaro.org
Thu Feb 18 05:35:39 EST 2021


On 15-02-21, 07:51, Nicola Mazzucato wrote:
> The current implementation of the scmi_cpufreq_init() function returns
> -EPROBE_DEFER when the OPP table is not populated. In practice the
> cpufreq core cannot handle this error code.
> Therefore, fix the return value and clarify the error message.
> 
> Reviewed-by: Ionela Voinescu <ionela.voinescu at arm.com>
> Signed-off-by: Nicola Mazzucato <nicola.mazzucato at arm.com>
> ---
>  drivers/cpufreq/scmi-cpufreq.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
> index 491a0a24fb1e..34bf2eb8d465 100644
> --- a/drivers/cpufreq/scmi-cpufreq.c
> +++ b/drivers/cpufreq/scmi-cpufreq.c
> @@ -155,9 +155,11 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy)
>  
>  	nr_opp = dev_pm_opp_get_opp_count(cpu_dev);
>  	if (nr_opp <= 0) {
> -		dev_dbg(cpu_dev, "OPP table is not ready, deferring probe\n");
> -		ret = -EPROBE_DEFER;
> -		goto out_free_opp;

Why change goto label as well ?

> +		dev_err(cpu_dev, "%s: No OPPs for this device: %d\n",
> +			__func__, ret);
> +
> +		ret = -ENODEV;
> +		goto out_free_priv;
>  	}
>  
>  	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
> -- 
> 2.27.0

-- 
viresh



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