The content of acpi_device_id is not supposed to change at runtime. All functions working with acpi_device_id provided by <linux/acpi.h> work with const acpi_device_id. So mark the non-const structs as const. Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/nfc/nxp-nci/i2c.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c index 6379f2198524..472bedbeb5d8 100644 --- a/drivers/nfc/nxp-nci/i2c.c +++ b/drivers/nfc/nxp-nci/i2c.c @@ -341,7 +341,7 @@ static const struct of_device_id of_nxp_nci_i2c_match[] = { MODULE_DEVICE_TABLE(of, of_nxp_nci_i2c_match); #ifdef CONFIG_ACPI -static struct acpi_device_id acpi_id[] = { +static const struct acpi_device_id acpi_id[] = { { "NXP1001" }, { "NXP7471" }, { }, -- 2.20.1