media: staging: atomisp: mt9m114: constify acpi_device_id
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Thu, 6 Jul 2017 16:40:45 +0000 (12:40 -0400)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Wed, 19 Jul 2017 20:24:34 +0000 (16:24 -0400)
acpi_device_id are not supposed to change at runtime. All functions
working with acpi_device_id provided by <acpi/acpi_bus.h> work with
const acpi_device_id. So mark the non-const structs as const.

File size before:
   text    data     bss     dec     hex filename
  15148    2640       8   17796    4584
drivers/staging/media/atomisp/i2c/mt9m114.o

File size After adding 'const':
   text    data     bss     dec     hex filename
  15244    2512       8   17764    4564
drivers/staging/media/atomisp/i2c/mt9m114.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/staging/media/atomisp/i2c/mt9m114.c

index 3fa915313e53c8c47eca72d6664bd679acf0ad9c..448e072ca0379409577070edce2b26e58139fe23 100644 (file)
@@ -1928,7 +1928,7 @@ static int mt9m114_probe(struct i2c_client *client,
 
 MODULE_DEVICE_TABLE(i2c, mt9m114_id);
 
-static struct acpi_device_id mt9m114_acpi_match[] = {
+static const struct acpi_device_id mt9m114_acpi_match[] = {
        { "INT33F0" },
        { "CRMT1040" },
        {},