[PATCH v8 13/18] PM / devfreq: tegra30: Don't enable already enabled consecutive interrupts

From: Dmitry Osipenko
Date: Sun Nov 03 2019 - 15:42:26 EST


Consecutive up/down interrupt-bit is set in the interrupt status register
only if that interrupt was previously enabled. Thus enabling the already
enabled interrupt doesn't do much for us.

Reviewed-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
drivers/devfreq/tegra30-devfreq.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
index 7c8126e74750..4a5d513904a2 100644
--- a/drivers/devfreq/tegra30-devfreq.c
+++ b/drivers/devfreq/tegra30-devfreq.c
@@ -261,8 +261,6 @@ static void actmon_isr_device(struct tegra_devfreq *tegra,

if (dev->boost_freq >= tegra->max_freq)
dev->boost_freq = tegra->max_freq;
- else
- dev_ctrl |= ACTMON_DEV_CTRL_CONSECUTIVE_ABOVE_WMARK_EN;
} else if (intr_status & ACTMON_DEV_INTR_CONSECUTIVE_LOWER) {
/*
* new_boost = old_boost * down_coef
@@ -275,8 +273,6 @@ static void actmon_isr_device(struct tegra_devfreq *tegra,

if (dev->boost_freq < (ACTMON_BOOST_FREQ_STEP >> 1))
dev->boost_freq = 0;
- else
- dev_ctrl |= ACTMON_DEV_CTRL_CONSECUTIVE_BELOW_WMARK_EN;
}

if (dev->config->avg_dependency_threshold) {
--
2.23.0