Re: [PATCH v4 1/2] hwmon: new driver for ST stts751 thermal sensor

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On 01/26/2017 06:17 AM, Andrea Merello wrote:
This patch adds a HWMON driver for ST Microelectronics STTS751
temperature sensors.

Changes since V3:
- fix sysfs_notify() filename
- simplify error exit path in stts751_update_temp(): kill useless goto
- fix set function were racy due to lock incorrectly placed
- use msecs_to_jiffies instead of manual calculation
- fix jiffies and msecs were mixed up
- don't mark cache as good unless reads really succeded to fill up it
- when updating therm, hyst keeps relative value rather than abs value
- don't should in dev_dbg when chip is detected
- don't ever generate two uevents
- clarify clear-on-read behaviour of status reg alarm flags
- simplify mDEG to HW conversion function
- fix chip stops due to incorrect resolution configuration
- fix incorrectly reading negative numbers from HW

Thanks-to: LABBE Corentin [for suggestions]
Signed-off-by: Andrea Merello <andrea.merello@xxxxxxxxx>
Cc: LABBE Corentin <clabbe.montjoie@xxxxxxxxx>
Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: Jean Delvare <jdelvare@xxxxxxxx>

[ ... ]

+
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_input, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_min, set_min, 0);
+static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_max, set_max, 0);
+static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_min_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_max_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_therm,
+			set_therm, 0);
+static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_hyst,
+			set_hyst, 0);
+static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_therm_trip, NULL, 0);
+static SENSOR_DEVICE_ATTR(update_interval, S_IWUSR | S_IRUGO,
+			show_interval, set_interval, 0);

I forgot to mention: Symbolic permissions ran out of favor upstream.
Please use octals above to make the annoying checkpatch warnings go away.

Thanks,
Guenter

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