media: staging: atomisp: gc2235: constify acpi_device_id
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Thu, 6 Jul 2017 16:43:52 +0000 (12:43 -0400)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Wed, 19 Jul 2017 20:24:53 +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
  10754    1360       4   12118    2f56
drivers/staging/media/atomisp/i2c/gc2235.o

File size After adding 'const':
   text    data     bss     dec     hex filename
  10818    1296       4   12118    2f56
drivers/staging/media/atomisp/i2c/gc2235.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/gc2235.c

index 04e69dd5fdb120e38d2e94135625abcef3ad60d2..e43d31ea967668f2381f4eae6c6d34a37bff5020 100644 (file)
@@ -1183,7 +1183,7 @@ out_free:
        return ret;
 }
 
-static struct acpi_device_id gc2235_acpi_match[] = {
+static const struct acpi_device_id gc2235_acpi_match[] = {
        { "INT33F8" },
        {},
 };