Input: raydium_i2c_ts - constify attribute_group structures
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Tue, 11 Jul 2017 03:23:06 +0000 (20:23 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Wed, 12 Jul 2017 21:19:29 +0000 (14:19 -0700)
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
   7801     560       0    8361    20a9 drivers/input/touchscreen/raydium_i2c_ts.o

File size After adding 'const':
   text    data     bss     dec     hex filename
   7849     496       0    8345    2099 drivers/input/touchscreen/raydium_i2c_ts.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/touchscreen/raydium_i2c_ts.c

index 1252e49ccfa1c42455667e7b775343107853d5ba..4f1d3fd5d4121dbd6c517eda7c862ea9ae6b802e 100644 (file)
@@ -939,7 +939,7 @@ static struct attribute *raydium_i2c_attributes[] = {
        NULL
 };
 
-static struct attribute_group raydium_i2c_attribute_group = {
+static const struct attribute_group raydium_i2c_attribute_group = {
        .attrs = raydium_i2c_attributes,
 };