[PATCH RESEND] PM / devfreq: tegra30: use min to simplify actmon_cpu_to_emc_rate

Thorsten Blum posted 1 patch 2 months, 1 week ago
There is a newer version of this series
drivers/devfreq/tegra30-devfreq.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
[PATCH RESEND] PM / devfreq: tegra30: use min to simplify actmon_cpu_to_emc_rate
Posted by Thorsten Blum 2 months, 1 week ago
Use min() to improve the readability of actmon_cpu_to_emc_rate() and
remove any unnecessary curly braces.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.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 4a4f0106ab9d..2c9813bd697e 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
Re: [PATCH RESEND] PM / devfreq: tegra30: use min to simplify actmon_cpu_to_emc_rate
Posted by Dmitry Osipenko 2 months ago
13.10.2025 16:18, Thorsten Blum пишет:
> Use min() to improve the readability of actmon_cpu_to_emc_rate() and
> remove any unnecessary curly braces.
> 
> Signed-off-by: Thorsten Blum <thorsten.blum@linux.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 4a4f0106ab9d..2c9813bd697e 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;
>  }

Reviewed-by: Dmitry Osipenko <digetx@gmail.com>