'type' is an enum, thus cast of pointer on 64-bit compile test with W=1 causes: rtc-rs5c372.c:829:19: error: cast to smaller integer type 'enum rtc_type' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- drivers/rtc/rtc-rs5c372.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c index a5a6c8772ecd..6df3d25345ac 100644 --- a/drivers/rtc/rtc-rs5c372.c +++ b/drivers/rtc/rtc-rs5c372.c @@ -826,8 +826,7 @@ static int rs5c372_probe(struct i2c_client *client) rs5c372->client = client; i2c_set_clientdata(client, rs5c372); if (client->dev.of_node) { - rs5c372->type = (enum rtc_type) - of_device_get_match_data(&client->dev); + rs5c372->type = (uintptr_t)of_device_get_match_data(&client->dev); } else { const struct i2c_device_id *id = i2c_match_id(rs5c372_id, client); rs5c372->type = id->driver_data; -- 2.34.1