From: Dmitry Osipenko Date: Mon, 4 Nov 2019 21:56:11 +0000 (+0300) Subject: PM / devfreq: tegra30: Don't enable already enabled consecutive interrupts X-Git-Tag: v5.15~5065^2~2^2^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=333abefb281218ab965e34932feecb1be064d535;p=platform%2Fkernel%2Flinux-starfive.git PM / devfreq: tegra30: Don't enable already enabled consecutive interrupts 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 Signed-off-by: Dmitry Osipenko Signed-off-by: Chanwoo Choi --- diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c index 7c8126e..4a5d513 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) {