* [PATCH] 7506ebcd662b hwmon: (max6639) Fix range of pulses-per-revolution
@ 2026-03-20 4:34 Guenter Roeck
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From: Guenter Roeck @ 2026-03-20 4:34 UTC (permalink / raw)
To: Hardware Monitoring; +Cc: Guenter Roeck, Naresh Solanki
The valid range for the pulses-per-revolution devicetree property is
1..4. The current code checks for a range of 1..5. Fix it.
Fixes: 7506ebcd662b ("hwmon: (max6639) : Configure based on DT property")
Cc: Naresh Solanki <naresh.solanki@9elements.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
drivers/hwmon/max6639.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/max6639.c b/drivers/hwmon/max6639.c
index 9a3c515efe2e..1e0550e27626 100644
--- a/drivers/hwmon/max6639.c
+++ b/drivers/hwmon/max6639.c
@@ -540,7 +540,7 @@ static int max6639_probe_child_from_dt(struct i2c_client *client,
err = of_property_read_u32(child, "pulses-per-revolution", &val);
if (!err) {
- if (val < 1 || val > 5) {
+ if (val < 1 || val > 4) {
dev_err(dev, "invalid pulses-per-revolution %d of %pOFn\n", val, child);
return -EINVAL;
}
--
2.45.2
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