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 10055 7032 0 17087 42bf drivers/hwmon/adt7475.o File size After adding 'const': text data bss dec hex filename 10567 6520 0 17087 42bf drivers/hwmon/adt7475.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> --- drivers/hwmon/adt7475.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c index c803e3c..973f17a 100644 --- a/drivers/hwmon/adt7475.c +++ b/drivers/hwmon/adt7475.c @@ -1205,14 +1205,14 @@ static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO | S_IWUSR, show_pwm, NULL }; -static struct attribute_group adt7475_attr_group = { .attrs = adt7475_attrs }; -static struct attribute_group fan4_attr_group = { .attrs = fan4_attrs }; -static struct attribute_group pwm2_attr_group = { .attrs = pwm2_attrs }; -static struct attribute_group in0_attr_group = { .attrs = in0_attrs }; -static struct attribute_group in3_attr_group = { .attrs = in3_attrs }; -static struct attribute_group in4_attr_group = { .attrs = in4_attrs }; -static struct attribute_group in5_attr_group = { .attrs = in5_attrs }; -static struct attribute_group vid_attr_group = { .attrs = vid_attrs }; +static const struct attribute_group adt7475_attr_group = { .attrs = adt7475_attrs }; +static const struct attribute_group fan4_attr_group = { .attrs = fan4_attrs }; +static const struct attribute_group pwm2_attr_group = { .attrs = pwm2_attrs }; +static const struct attribute_group in0_attr_group = { .attrs = in0_attrs }; +static const struct attribute_group in3_attr_group = { .attrs = in3_attrs }; +static const struct attribute_group in4_attr_group = { .attrs = in4_attrs }; +static const struct attribute_group in5_attr_group = { .attrs = in5_attrs }; +static const struct attribute_group vid_attr_group = { .attrs = vid_attrs }; static int adt7475_detect(struct i2c_client *client, struct i2c_board_info *info) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-hwmon" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html