media: staging: atomisp: ov5693: constify acpi_device_id
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Thu, 6 Jul 2017 16:36:36 +0000 (12:36 -0400)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Wed, 19 Jul 2017 20:24:19 +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
  20729    3264       0   23993    5db9
drivers/staging/media/atomisp/i2c/ov5693/ov5693.o

File size After adding 'const':
   text    data     bss     dec     hex filename
  20793    3200       0   23993    5db9
drivers/staging/media/atomisp/i2c/ov5693/ov5693.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/ov5693/ov5693.c

index 3483a50dae2af7f8c461c7b0b47d5d7eed36ade7..d9f278bcf926a5c58fc137f0f9b6823927df4afb 100644 (file)
@@ -2032,7 +2032,7 @@ out_free:
 
 MODULE_DEVICE_TABLE(i2c, ov5693_id);
 
-static struct acpi_device_id ov5693_acpi_match[] = {
+static const struct acpi_device_id ov5693_acpi_match[] = {
        {"INT33BE"},
        {},
 };