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Message-Id: <20191104215617.25544-10-digetx@gmail.com>
Date: Tue, 5 Nov 2019 00:56:07 +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>,
Peter Geis <pgwipeout@...il.com>,
Michał Mirosław <mirq-linux@...e.qmqm.pl>
Cc: linux-pm@...r.kernel.org, linux-tegra@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v9 09/19] 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>
Tested-by: Peter Geis <pgwipeout@...il.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 6960d8ba0577..9cb2d6468175 100644
--- a/drivers/devfreq/tegra30-devfreq.c
+++ b/drivers/devfreq/tegra30-devfreq.c
@@ -467,6 +467,9 @@ static void tegra_actmon_configure_device(struct tegra_devfreq *tegra,
{
u32 val = 0;
+ /* reset boosting on governor's restart */
+ dev->boost_freq = 0;
+
dev->target_freq = tegra->cur_freq;
dev->avg_count = tegra->cur_freq * ACTMON_SAMPLING_PERIOD;
--
2.23.0
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