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