From 41fa9a944fce1d7efd5ee3d50ac85b92f42dcc3d Mon Sep 17 00:00:00 2001
From: Guenter Roeck <linux@roeck-us.net>
Date: Sun, 23 Jun 2013 13:04:04 -0700
Subject: hwmon: (nct6775) Drop unsupported fan alarm attributes for NCT6775
NCT6775 does not support alarms for fans 4 and 5. Drop the attributes.
cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
drivers/hwmon/nct6775.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
(limited to 'drivers/hwmon')
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index 2405ab439e80..99cec1825420 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -199,7 +199,7 @@ static const s8 NCT6775_ALARM_BITS[] = {
0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */
17, -1, -1, -1, -1, -1, -1, /* in8..in14 */
-1, /* unused */
- 6, 7, 11, 10, 23, /* fan1..fan5 */
+ 6, 7, 11, -1, -1, /* fan1..fan5 */
-1, -1, -1, /* unused */
4, 5, 13, -1, -1, -1, /* temp1..temp6 */
12, -1 }; /* intrusion0, intrusion1 */
@@ -3877,10 +3877,12 @@ static int nct6775_probe(struct platform_device *pdev)
&sda_fan_input[i].dev_attr);
if (err)
goto exit_remove;
- err = device_create_file(dev,
- &sda_fan_alarm[i].dev_attr);
- if (err)
- goto exit_remove;
+ if (data->ALARM_BITS[FAN_ALARM_BASE + i] >= 0) {
+ err = device_create_file(dev,
+ &sda_fan_alarm[i].dev_attr);
+ if (err)
+ goto exit_remove;
+ }
if (data->kind != nct6776 &&
data->kind != nct6779) {
err = device_create_file(dev,
--
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