linux-kernel - Re: [PATCH 1/2] cpufreq: qcom: fix compatibility issue with old binding

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Date:   Wed, 22 Apr 2020 18:26:06 +0300
From:   Georgi Djakov <georgi.djakov@...aro.org>
To:     Ansuel Smith <ansuelsmth@...il.com>
Cc:     Ilia Lin <ilia.lin@...nel.org>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Sricharan R <sricharan@...eaurora.org>,
        linux-pm@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] cpufreq: qcom: fix compatibility issue with old
 binding

Hi Ansuel,

On 4/22/20 17:08, Ansuel Smith wrote:
> Binding has changed from operating-points-v2-kryo-cpu to
> operating-points-v2-qcom-cpu. Also check for old binding in driver
> probe.
> 
> Fixes: a8811ec764f9 cpufreq: qcom: Add support for krait based socs

The correct format is: Fixes: %h (\"%s\")

> Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
> ---
>  drivers/cpufreq/qcom-cpufreq-nvmem.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c
> index a1b8238872a2..8a0411efc79a 100644
> --- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
> +++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
> @@ -278,6 +278,10 @@ static int qcom_cpufreq_probe(struct platform_device *pdev)
>  		return -ENOENT;
>  
>  	ret = of_device_is_compatible(np, "operating-points-v2-qcom-cpu");
> +	if (!ret)
> +		ret = of_device_is_compatible(np,
> +					      "operating-points-v2-kyro-cpu");

There is a typo in the compatible string.

Thanks,
Georgi

> +
>  	if (!ret) {
>  		of_node_put(np);
>  		return -ENOENT;
>