Re: [PATCH] hwmon: emc2103: use min_t() for explicit type in fan target clamp

From: Guenter Roeck

Date: Mon Jul 06 2026 - 14:40:13 EST


On 7/6/26 09:25, Animesh Rai wrote:
Using min() with an explicit cast on one operand is fragile. Replace
with min_t(u16, ...) to make the intended comparison type explicit and
avoid implicit type conversion.


Sorry, I have no idea what you are trying to fix here. Both parameters
are u16. There is nothing "fragile" about that.

Guenter

Signed-off-by: Animesh Rai <animeshrai853@xxxxxxxxx>
---
drivers/hwmon/emc2103.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c
index 27dc149a3ed9..fbb1b4025eb7 100644
--- a/drivers/hwmon/emc2103.c
+++ b/drivers/hwmon/emc2103.c
@@ -348,7 +348,7 @@ static ssize_t fan1_div_store(struct device *dev, struct device_attribute *da,
/* update fan target if high byte is not disabled */
if ((data->fan_target & 0x1fe0) != 0x1fe0) {
u16 new_target = (data->fan_target * old_div) / new_div;
- data->fan_target = min(new_target, (u16)0x1fff);
+ data->fan_target = min_t(u16, new_target, 0x1fff);
write_fan_target_to_i2c(client, data->fan_target);
}