linux-kernel - [RFC PATCH 2/2] memory: samsung: exynos5422-dmc: Use delayed timer as default

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Message-Id: <20200703062622.11773-3-cw00.choi@samsung.com>
Date:   Fri,  3 Jul 2020 15:26:22 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     lukasz.luba@....com, k.konieczny@...sung.com, krzk@...nel.org,
        kgene@...nel.org
Cc:     s.nawrocki@...sung.com, willy.mh.wolff.ml@...il.com,
        b.zolnierkie@...sung.com, cw00.choi@...sung.com,
        chanwoo@...nel.org, myungjoo.ham@...sung.com,
        kyungmin.park@...sung.com, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [RFC PATCH 2/2] memory: samsung: exynos5422-dmc: Use delayed timer
 as default

Use delayed timer as default instead of deferrable timer
in order to monitor the DMC status regardless of CPU idle.

Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
---
 drivers/memory/samsung/exynos5422-dmc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c
index 25196d6268e2..93e9c2429c0d 100644
--- a/drivers/memory/samsung/exynos5422-dmc.c
+++ b/drivers/memory/samsung/exynos5422-dmc.c
@@ -945,6 +945,7 @@ static int exynos5_dmc_get_cur_freq(struct device *dev, unsigned long *freq)
  * It provides to the devfreq framework needed functions and polling period.
  */
 static struct devfreq_dev_profile exynos5_dmc_df_profile = {
+	.timer = DEVFREQ_TIMER_DELAYED,
 	.target = exynos5_dmc_target,
 	.get_dev_status = exynos5_dmc_get_status,
 	.get_cur_freq = exynos5_dmc_get_cur_freq,
-- 
2.17.1