From: Dmitry Osipenko Subject: [PATCH v5 13/20] PM / devfreq: tegra30: Reset boosting on startup Date: Tue, 30 Jul 2019 19:22:29 +0300 Message-ID: <20190730162236.6063-14-digetx@gmail.com> References: <20190730162236.6063-1-digetx@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190730162236.6063-1-digetx@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Thierry Reding , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Jonathan Hunter , Tomeu Vizoso Cc: linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-tegra@vger.kernel.org Governor could be stopped while boosting is active. We have assumption that everything is reset on governor's restart, including the boosting value, which was missed. Reviewed-by: Chanwoo Choi Signed-off-by: Dmitry Osipenko --- drivers/devfreq/tegra30-devfreq.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c index 762e17323095..6e8ae20c3bf1 100644 --- a/drivers/devfreq/tegra30-devfreq.c +++ b/drivers/devfreq/tegra30-devfreq.c @@ -684,6 +684,9 @@ static void tegra_actmon_configure_device(struct tegra_devfreq *tegra, { u32 val = 0; + /* reset boosting on governor's restart */ + dev->boost_freq = 0; + dev->avg_freq = clk_get_rate(tegra->emc_clock) / KHZ; device_writel(dev, dev->avg_freq * ACTMON_SAMPLING_PERIOD, ACTMON_DEV_INIT_AVG); -- 2.22.0