linux-kernel - Re: [Patch v2 7/9] cpufreq: tegra194: add OPP support and set bandwidth

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 22 Feb 2023 09:33:17 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Sumit Gupta <sumitg@...dia.com>
Cc:     treding@...dia.com, krzysztof.kozlowski@...aro.org,
        dmitry.osipenko@...labora.com, rafael@...nel.org,
        jonathanh@...dia.com, robh+dt@...nel.org, lpieralisi@...nel.org,
        linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-pci@...r.kernel.org, mmaddireddy@...dia.com, kw@...ux.com,
        bhelgaas@...gle.com, vidyas@...dia.com, sanjayc@...dia.com,
        ksitaraman@...dia.com, ishah@...dia.com, bbasu@...dia.com
Subject: Re: [Patch v2 7/9] cpufreq: tegra194: add OPP support and set
 bandwidth

On 20-02-23, 19:35, Sumit Gupta wrote:
> +static int tegra_cpufreq_set_bw(struct cpufreq_policy *policy, unsigned long freq_khz)
> +{
> +	struct dev_pm_opp *opp;
> +	struct device *dev;
> +	int ret;
> +
> +	dev = get_cpu_device(policy->cpu);
> +	if (!dev)
> +		return -ENODEV;
> +
> +	opp = dev_pm_opp_find_freq_exact(dev, freq_khz * KHZ, true);
> +	if (IS_ERR(opp))
> +		return PTR_ERR(opp);
> +
> +	ret = dev_pm_opp_set_opp(dev, opp);
> +	dev_pm_opp_put(opp);

What about dev_pm_opp_set_rate() instead ?

> +	return ret;
> +}

-- 
viresh