linux-kernel - Re: [PATCH] cpufreq: qcom-kryo: Silently error out on EPROBE

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Message-ID: <20180718044422.6j4nmluynopcpqfx@vireshk-i7>
Date:   Wed, 18 Jul 2018 10:14:22 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Niklas Cassel <niklas.cassel@...aro.org>
Cc:     Ilia Lin <ilia.lin@...il.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpufreq: qcom-kryo: Silently error out on EPROBE_DEFER

On 17-07-18, 22:48, Niklas Cassel wrote:
> If of_nvmem_cell_get() fails due to probe deferal, we shouldn't print an
> error message. Just be silent in this case.
> 
> Signed-off-by: Niklas Cassel <niklas.cassel@...aro.org>
> ---
>  drivers/cpufreq/qcom-cpufreq-kryo.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
> index 29389accf3e9..b8d1e6875f16 100644
> --- a/drivers/cpufreq/qcom-cpufreq-kryo.c
> +++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
> @@ -109,8 +109,9 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
>  	speedbin_nvmem = of_nvmem_cell_get(np, NULL);
>  	of_node_put(np);
>  	if (IS_ERR(speedbin_nvmem)) {
> -		dev_err(cpu_dev, "Could not get nvmem cell: %ld\n",
> -			PTR_ERR(speedbin_nvmem));
> +		if (PTR_ERR(speedbin_nvmem) != -EPROBE_DEFER)
> +			dev_err(cpu_dev, "Could not get nvmem cell: %ld\n",
> +				PTR_ERR(speedbin_nvmem));
>  		return PTR_ERR(speedbin_nvmem);
>  	}

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>

-- 
viresh