[PATCH v6 13/19] PM / devfreq: tegra30: Reset boosting on startup

From: Dmitry Osipenko
Date: Sun Aug 11 2019 - 17:25:24 EST


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@xxxxxxxxxxx>
Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
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