linux-kernel - [PATCH v4 5/5] devfreq: exynos-bus: remove exynos_bus_passive

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Date:   Thu, 25 Jul 2019 16:43:00 +0200
From:   k.konieczny@...tner.samsung.com
To:     k.konieczny@...tner.samsung.com
Cc:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Kukjin Kim <kgene@...nel.org>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Mark Rutland <mark.rutland@....com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Nishanth Menon <nm@...com>, Rob Herring <robh+dt@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Viresh Kumar <vireshk@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Subject: [PATCH v4 5/5] devfreq: exynos-bus: remove
 exynos_bus_passive_target()

Both functions exynos_bus_passive_target() and exynos_bus_target()
have the same code, so remove exynos_bus_passive_target(). In
exynos_bus_probe() replace it with exynos_bus_target.

Suggested-by: Chanwoo Choi <cw00.choi@...sung.com>
Signed-off-by: Kamil Konieczny <k.konieczny@...tner.samsung.com>
---
This patch is new to this series.

---
 drivers/devfreq/exynos-bus.c | 34 ++--------------------------------
 1 file changed, 2 insertions(+), 32 deletions(-)

diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
index ebb8f46312b6..2aeb6cc07960 100644
--- a/drivers/devfreq/exynos-bus.c
+++ b/drivers/devfreq/exynos-bus.c
@@ -91,7 +91,7 @@ static int exynos_bus_get_event(struct exynos_bus *bus,
 }
 
 /*
- * Must necessary function for devfreq simple-ondemand governor
+ * devfreq function for both simple-ondemand and passive governor
  */
 static int exynos_bus_target(struct device *dev, unsigned long *freq, u32 flags)
 {
@@ -167,36 +167,6 @@ static void exynos_bus_exit(struct device *dev)
 	}
 }
 
-/*
- * Must necessary function for devfreq passive governor
- */
-static int exynos_bus_passive_target(struct device *dev, unsigned long *freq,
-					u32 flags)
-{
-	struct exynos_bus *bus = dev_get_drvdata(dev);
-	struct dev_pm_opp *new_opp;
-	int ret;
-
-	/* Get correct frequency for bus. */
-	new_opp = devfreq_recommended_opp(dev, freq, flags);
-	if (IS_ERR(new_opp)) {
-		dev_err(dev, "failed to get recommended opp instance\n");
-		return PTR_ERR(new_opp);
-	}
-
-	dev_pm_opp_put(new_opp);
-
-	/* Change the frequency according to new OPP level */
-	mutex_lock(&bus->lock);
-	ret = dev_pm_opp_set_rate(dev, *freq);
-	if (!ret)
-		bus->curr_freq = *freq;
-
-	mutex_unlock(&bus->lock);
-
-	return ret;
-}
-
 static void exynos_bus_passive_exit(struct device *dev)
 {
 	struct exynos_bus *bus = dev_get_drvdata(dev);
@@ -417,7 +387,7 @@ static int exynos_bus_probe(struct platform_device *pdev)
 	goto out;
 passive:
 	/* Initialize the struct profile and governor data for passive device */
-	profile->target = exynos_bus_passive_target;
+	profile->target = exynos_bus_target;
 	profile->exit = exynos_bus_passive_exit;
 
 	/* Get the instance of parent devfreq device */
-- 
2.22.0