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 904 496 0 1400 578 drivers/acpi/dptf/dptf_power.o File size After adding 'const': text data bss dec hex filename 944 432 0 1376 560 drivers/acpi/dptf/dptf_power.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> --- drivers/acpi/dptf/dptf_power.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/dptf/dptf_power.c b/drivers/acpi/dptf/dptf_power.c index 734642d..e1c2425 100644 --- a/drivers/acpi/dptf/dptf_power.c +++ b/drivers/acpi/dptf/dptf_power.c @@ -65,7 +65,7 @@ NULL }; -static struct attribute_group dptf_power_attribute_group = { +static const struct attribute_group dptf_power_attribute_group = { .attrs = dptf_power_attrs, .name = "dptf_power" }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html