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.

Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Link: https://patchwork.kernel.org/project/linux-pm/patch/20251112172121.3741-2-thorsten.blum@linux.dev/

Author: toblux

drivers/devfreq/tegra30-devfreq.c

@@ -13,6 +13,7 @@
 #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>
@@ -325,14 +326,9 @@ 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;
 }