Message-ID: <8b21feb3-624c-0c91-7dc7-708b5bb19a93@gmail.com>
Date:   Thu, 2 Feb 2023 01:41:10 -0600
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Subject: Re: [PATCH v4 5/6] cpufreq: amd_pstate: Add guided mode control
 support via sysfs
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To:     Wyes Karny <wyes.karny@amd.com>,
        Rafael J Wysocki <rafael@kernel.org>,
        Huang Rui <ray.huang@amd.com>,
        Jonathan Corbet <corbet@lwn.net>,
        Viresh Kumar <viresh.kumar@linaro.org>,
        Mario.Limonciello@amd.com, Perry.Yuan@amd.com
Cc:     linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-pm@vger.kernel.org, Bagas Sanjaya <bagasdotme@gmail.com>,
        santosh.shukla@amd.com, Len Brown <lenb@kernel.org>,
        Robert Moore <robert.moore@intel.com>,
        Borislav Petkov <bp@alien8.de>,
        Ananth Narayan <ananth.narayan@amd.com>,
        gautham.shenoy@amd.com, Tor Vic <torvic9@mailbox.org>
References: <20230131052141.96475-1-wyes.karny@amd.com>
 <20230131052141.96475-6-wyes.karny@amd.com>
From:   Russell Haley <yumpusamongus@gmail.com>
In-Reply-To: <20230131052141.96475-6-wyes.karny@amd.com>
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On 1/30/23 23:21, Wyes Karny wrote:

> Only if the state requested matches
> with the current state then -EBUSY value is returned.

This differs from the behavior of intel_pstate, where writing the
current state to the status file always succeeds.

Why not do the same thing here?