linux-kernel - [PATCH] PM / devfreq: tegra30: use min to simplify actmon_cpu_to_emc

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Message-ID: <20250916124059.2489125-1-thorsten.blum@linux.dev>
Date: Tue, 16 Sep 2025 14:40:58 +0200
From: Thorsten Blum <thorsten.blum@...ux.dev>
To: Dmitry Osipenko <digetx@...il.com>,
	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>
Cc: Thorsten Blum <thorsten.blum@...ux.dev>,
	linux-pm@...r.kernel.org,
	linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] PM / devfreq: tegra30: use min to simplify actmon_cpu_to_emc_rate

Use min() to improve the readability of actmon_cpu_to_emc_rate() and
remove any unnecessary curly braces.

No functional changes intended.

Signed-off-by: Thorsten Blum <thorsten.blum@...ux.dev>
---
 drivers/devfreq/tegra30-devfreq.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
index 890990e03335..a4041b9d0052 100644
--- a/drivers/devfreq/tegra30-devfreq.c
+++ b/drivers/devfreq/tegra30-devfreq.c
@@ -12,6 +12,7 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/irq.h>
+#include <linux/minmax.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
@@ -326,14 +327,9 @@ static unsigned long actmon_cpu_to_emc_rate(struct tegra_devfreq *tegra,
 	unsigned int i;
 	const struct tegra_actmon_emc_ratio *ratio = actmon_emc_ratios;
 
-	for (i = 0; i < ARRAY_SIZE(actmon_emc_ratios); i++, ratio++) {
-		if (cpu_freq >= ratio->cpu_freq) {
-			if (ratio->emc_freq >= tegra->max_freq)
-				return tegra->max_freq;
-			else
-				return ratio->emc_freq;
-		}
-	}
+	for (i = 0; i < ARRAY_SIZE(actmon_emc_ratios); i++, ratio++)
+		if (cpu_freq >= ratio->cpu_freq)
+			return min(ratio->emc_freq, tegra->max_freq);
 
 	return 0;
 }
-- 
2.51.0