From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: [PATCH v3 09/22] PM / devfreq: tegra30: Reset boosting on startup Date: Fri, 28 Jun 2019 00:11:02 +0300 Message-ID: <20190627211115.21138-10-digetx@gmail.com> References: <20190627211115.21138-1-digetx@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190627211115.21138-1-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. 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 1751d17f9a1c..cca2fc15bafe 100644 --- a/drivers/devfreq/tegra30-devfreq.c +++ b/drivers/devfreq/tegra30-devfreq.c @@ -535,6 +535,9 @@ static void tegra_actmon_configure_device(struct tegra_devfreq *tegra, { u32 val = 0, target_freq; + /* we don't want boosting on restart */ + dev->boost_freq = 0; + target_freq = clk_get_rate(tegra->emc_clock) / KHZ; dev->avg_count = target_freq * ACTMON_SAMPLING_PERIOD; device_writel(dev, dev->avg_count, ACTMON_DEV_INIT_AVG); -- 2.22.0