nfc: st21nfca: constify i2c_device_id

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@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index cd1f7bfa75ebe3a75f5577d33cc162fdfacfa8c1..1b347096422ff2d4c9d0933682c79ef89fe86d01 100644 (file)
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -589,7 +589,7 @@ static int st21nfca_hci_i2c_remove(struct i2c_client *client)
        return 0;
 }
 
-static struct i2c_device_id st21nfca_hci_i2c_id_table[] = {
+static const struct i2c_device_id st21nfca_hci_i2c_id_table[] = {
        {ST21NFCA_HCI_DRIVER_NAME, 0},
        {}
 };