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/rtc/rtc-ds1672.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-ds1672.c b/drivers/rtc/rtc-ds1672.c index 7bf46bf..9caaccc 100644 --- a/drivers/rtc/rtc-ds1672.c +++ b/drivers/rtc/rtc-ds1672.c @@ -190,7 +190,7 @@ static int ds1672_probe(struct i2c_client *client, return 0; } -static struct i2c_device_id ds1672_id[] = { +static const struct i2c_device_id ds1672_id[] = { { "ds1672", 0 }, { } }; -- 2.7.4