linux-kernel - [PATCH] thermal: sprd: Use min instead of clamp in sprd_thm_temp_to

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Message-ID: <20251202115034.375174-1-thorsten.blum@linux.dev>
Date: Tue,  2 Dec 2025 12:50:33 +0100
From: Thorsten Blum <thorsten.blum@...ux.dev>
To: "Rafael J. Wysocki" <rafael@...nel.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Zhang Rui <rui.zhang@...el.com>,
	Lukasz Luba <lukasz.luba@....com>,
	Orson Zhai <orsonzhai@...il.com>,
	Baolin Wang <baolin.wang@...ux.alibaba.com>,
	Chunyan Zhang <zhang.lyra@...il.com>
Cc: Thorsten Blum <thorsten.blum@...ux.dev>,
	linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] thermal: sprd: Use min instead of clamp in sprd_thm_temp_to_rawdata

Clamping 'val' to itself is unnecessary and the expression can be
simplified by using min() instead. Casting SPRD_THM_RAW_DATA_HIGH to u32
is also redundant and can be removed.

Signed-off-by: Thorsten Blum <thorsten.blum@...ux.dev>
---
 drivers/thermal/sprd_thermal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c
index 44fa45f74da7..d683fcb0f8ab 100644
--- a/drivers/thermal/sprd_thermal.c
+++ b/drivers/thermal/sprd_thermal.c
@@ -201,7 +201,7 @@ static int sprd_thm_temp_to_rawdata(int temp, struct sprd_thermal_sensor *sen)
 	 */
 	val = (temp + sen->cal_offset) / sen->cal_slope;
 
-	return clamp(val, val, (u32)(SPRD_THM_RAW_DATA_HIGH - 1));
+	return min(val, SPRD_THM_RAW_DATA_HIGH - 1);
 }
 
 static int sprd_thm_read_temp(struct thermal_zone_device *tz, int *temp)
-- 
Thorsten Blum <thorsten.blum@...ux.dev>
GPG: 1D60 735E 8AEF 3BE4 73B6  9D84 7336 78FD 8DFE EAD4