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 1733 352 0 2085 825 drivers/extcon/extcon-intel-int3496.o File size After adding 'const': text data bss dec hex filename 1797 272 0 2069 815 drivers/extcon/extcon-intel-int3496.o Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com> --- drivers/extcon/extcon-intel-int3496.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/extcon/extcon-intel-int3496.c b/drivers/extcon/extcon-intel-int3496.c index 9d17984..49bf9c6 100644 --- a/drivers/extcon/extcon-intel-int3496.c +++ b/drivers/extcon/extcon-intel-int3496.c @@ -174,7 +174,7 @@ static int int3496_remove(struct platform_device *pdev) return 0; } -static struct acpi_device_id int3496_acpi_match[] = { +static const struct acpi_device_id int3496_acpi_match[] = { { "INT3496" }, { } }; -- 2.7.4