linux-kernel - [PATCH 4/4] PM / devfreq: use delayed work if DEVFREQ_DELAYED

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Date:   Mon,  9 Dec 2019 15:44:25 +0100
From:   Kamil Konieczny <k.konieczny@...sung.com>
To:     k.konieczny@...sung.com
Cc:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>
Subject: [PATCH 4/4] PM / devfreq: use delayed work if DEVFREQ_DELAYED_TIMER
 set

If option DEVFREQ_DELAYED_TIMER is set use delayed work in devfreq
workqueue from devfreq start.

Signed-off-by: Kamil Konieczny <k.konieczny@...sung.com>
---
 drivers/devfreq/devfreq.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index c277d1770fef..d9edf648a09e 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -702,7 +702,10 @@ struct devfreq *devfreq_add_device(struct device *dev,
 	devfreq->last_status.current_frequency = profile->initial_freq;
 	devfreq->data = data;
 	devfreq->nb.notifier_call = devfreq_notifier_call;
-	devfreq->delayed_timer = false;
+	if (IS_ENABLED(CONFIG_DEVFREQ_DELAYED_TIMER))
+		devfreq->delayed_timer = true;
+	else
+		devfreq->delayed_timer = false;
 
 	if (!devfreq->profile->max_state && !devfreq->profile->freq_table) {
 		mutex_unlock(&devfreq->lock);
-- 
2.24.0