From: Thierry Reding <thierry.reding@gmail.com>
To: Sumit Gupta <sumitg@nvidia.com>
Cc: viresh.kumar@linaro.org, rjw@rjwysocki.net, jonathanh@nvidia.com,
linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, ksitaraman@nvidia.com,
bbasu@nvidia.com
Subject: Re: [Patch 1/2] cpufreq: tegra194: get consistent cpuinfo_cur_freq
Date: Thu, 24 Sep 2020 10:56:35 +0200 [thread overview]
Message-ID: <20200924085635.GA2483160@ulmo> (raw)
In-Reply-To: <1600276277-7290-2-git-send-email-sumitg@nvidia.com>
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On Wed, Sep 16, 2020 at 10:41:16PM +0530, Sumit Gupta wrote:
> Frequency returned by 'cpuinfo_cur_freq' using counters is not fixed
> and keeps changing slightly. This change returns a consistent value
> from freq_table. If the reconstructed frequency has acceptable delta
> from the last written value, then return the frequency corresponding
> to the last written ndiv value from freq_table. Otherwise, print a
> warning and return the reconstructed freq.
>
> Signed-off-by: Sumit Gupta <sumitg@nvidia.com>
> ---
> drivers/cpufreq/tegra194-cpufreq.c | 66 ++++++++++++++++++++++++++++++++------
> 1 file changed, 57 insertions(+), 9 deletions(-)
Acked-by: Thierry Reding <treding@nvidia.com>
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next prev parent reply other threads:[~2020-09-24 8:56 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-16 17:11 [Patch 0/2] Tegra194 cpufreq driver misc changes Sumit Gupta
2020-09-16 17:11 ` [Patch 1/2] cpufreq: tegra194: get consistent cpuinfo_cur_freq Sumit Gupta
2020-09-17 8:36 ` Jon Hunter
2020-09-17 8:44 ` Jon Hunter
2020-09-23 8:34 ` Jon Hunter
2020-10-05 4:34 ` Viresh Kumar
2020-10-05 9:12 ` Jon Hunter
2020-09-24 8:56 ` Thierry Reding [this message]
2020-10-05 4:46 ` Viresh Kumar
2020-10-05 18:40 ` Sumit Gupta
2020-09-16 17:11 ` [Patch 2/2] cpufreq: tegra194: Fix unlisted boot freq warning Sumit Gupta
2020-09-17 8:38 ` Jon Hunter
2020-09-17 8:45 ` Jon Hunter
2020-09-24 8:56 ` Thierry Reding
2020-10-05 4:54 ` Viresh Kumar
2020-10-05 18:54 ` Sumit Gupta
2020-10-06 5:38 ` Viresh Kumar
2020-10-08 11:11 ` Sumit Gupta
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