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 4669 464 0 5133 140d panel-dsi-cm.o
File size After adding 'const': text data bss dec hex filename 4725 400 0 5125 1405 panel-dsi-cm.o
Signed-off-by: Arvind Yadav arvind.yadav.cs@gmail.com --- drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c index ac5800c..0827c59 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c @@ -561,7 +561,7 @@ static DEVICE_ATTR(ulps_timeout, S_IRUGO | S_IWUSR, NULL, };
-static struct attribute_group dsicm_attr_group = { +static const struct attribute_group dsicm_attr_group = { .attrs = dsicm_attrs, };