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Message-Id: <20190811212315.12689-14-digetx@gmail.com>
Date: Mon, 12 Aug 2019 00:23:09 +0300
From: Dmitry Osipenko <digetx@...il.com>
To: Thierry Reding <thierry.reding@...il.com>,
MyungJoo Ham <myungjoo.ham@...sung.com>,
Kyungmin Park <kyungmin.park@...sung.com>,
Chanwoo Choi <cw00.choi@...sung.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc: linux-pm@...r.kernel.org, linux-tegra@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v6 13/19] PM / devfreq: tegra30: Reset boosting on startup
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 <cw00.choi@...sung.com>
Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
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 bad9836b1eea..5002dca4c403 100644
--- a/drivers/devfreq/tegra30-devfreq.c
+++ b/drivers/devfreq/tegra30-devfreq.c
@@ -686,6 +686,9 @@ 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
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