attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/sysfs.h> work with const
attribute_group. So mark the non-const structs as const.

File size before:
   text    data     bss     dec     hex filename
   2304    2936       0    5240    1478 drivers/hwmon/adc128d818.o

File size After adding 'const':
   text    data     bss     dec     hex filename
   2344    2872       0    5216    1460 drivers/hwmon/adc128d818.o

Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com>
---
 drivers/hwmon/adc128d818.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/adc128d818.c b/drivers/hwmon/adc128d818.c
index a557b46..bd2ca31 100644
--- a/drivers/hwmon/adc128d818.c
+++ b/drivers/hwmon/adc128d818.c
@@ -384,7 +384,7 @@ static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO,
        NULL
 };
 
-static struct attribute_group adc128_group = {
+static const struct attribute_group adc128_group = {
        .attrs = adc128_attrs,
        .is_visible = adc128_is_visible,
 };
-- 
1.9.1

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