[PATCH v2 09/17] PM / devfreq: tegra30: Reset boosting on startup

Dmitry Osipenko
2019-06-26T01:36:10Z

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 <digetx@gmail.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 8e1c56790ac3..b36d5d644c6e 100644
--- a/drivers/devfreq/tegra30-devfreq.c
+++ b/drivers/devfreq/tegra30-devfreq.c
@@ -534,6 +534,9 @@ 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