i2c_device_id are not supposed to change at runtime. All functions working with i2c_device_id provided by <linux/i2c.h> work with const i2c_device_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> --- drivers/nfc/pn544/i2c.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c index 4b14740..d0207f8 100644 --- a/drivers/nfc/pn544/i2c.c +++ b/drivers/nfc/pn544/i2c.c @@ -54,7 +54,7 @@ #define PN544_HCI_I2C_LLC_MAX_SIZE (PN544_HCI_I2C_LLC_LEN_CRC + 1 + \ PN544_HCI_I2C_LLC_MAX_PAYLOAD) -static struct i2c_device_id pn544_hci_i2c_id_table[] = { +static const struct i2c_device_id pn544_hci_i2c_id_table[] = { {"pn544", 0}, {} }; -- 2.7.4