From: Thorsten Blum Date: Sat, 7 Mar 2026 10:24:21 +0000 (+0100) Subject: thermal/drivers/sprd: Fix raw temperature clamping in sprd_thm_rawdata_to_temp X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b3414148bbc1f9cd56217e58a558c6ac4fd1b4a6;p=thirdparty%2Fkernel%2Flinux.git thermal/drivers/sprd: Fix raw temperature clamping in sprd_thm_rawdata_to_temp The raw temperature data was never clamped to SPRD_THM_RAW_DATA_LOW or SPRD_THM_RAW_DATA_HIGH because the return value of clamp() was not used. Fix this by assigning the clamped value to 'rawdata'. Casting SPRD_THM_RAW_DATA_LOW and SPRD_THM_RAW_DATA_HIGH to u32 is also redundant and can be removed. Fixes: 554fdbaf19b1 ("thermal: sprd: Add Spreadtrum thermal driver support") Signed-off-by: Thorsten Blum Signed-off-by: Daniel Lezcano Reviewed-by: Baolin Wang Cc: stable@vger.kernel.org Link: https://patch.msgid.link/20260307102422.306055-2-thorsten.blum@linux.dev --- diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c index 70c879e75d85c..44fa45f74da72 100644 --- a/drivers/thermal/sprd_thermal.c +++ b/drivers/thermal/sprd_thermal.c @@ -178,7 +178,7 @@ static int sprd_thm_sensor_calibration(struct device_node *np, static int sprd_thm_rawdata_to_temp(struct sprd_thermal_sensor *sen, u32 rawdata) { - clamp(rawdata, (u32)SPRD_THM_RAW_DATA_LOW, (u32)SPRD_THM_RAW_DATA_HIGH); + rawdata = clamp(rawdata, SPRD_THM_RAW_DATA_LOW, SPRD_THM_RAW_DATA_HIGH); /* * According to the thermal datasheet, the formula of converting