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
4162 544 0 4706 1262 drivers/rtc/rtc-m41t80.o
File size After adding 'const':
text data bss dec hex filename
4226 480 0 4706 1262 drivers/rtc/rtc-m41t80.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/rtc/rtc-m41t80.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 5ec4653..c15a19e 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -524,7 +524,7 @@ static ssize_t sqwfreq_store(struct device *dev,
NULL,
};
-static struct attribute_group attr_group = {
+static const struct attribute_group attr_group = {
.attrs = attrs,
};
--
1.9.1
