I2C message length is 16 bit, so doing a 64-bit division is overkill. Let's remove the cast and just rely on the usual integer promotion to 32-bit. Cc: Tomas Marek <tomas.marek@xxxxxxxxx> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> --- drivers/i2c/busses/i2c-efi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-efi.c b/drivers/i2c/busses/i2c-efi.c index 5f6cc0eed28e..a666a28fab51 100644 --- a/drivers/i2c/busses/i2c-efi.c +++ b/drivers/i2c/busses/i2c-efi.c @@ -114,7 +114,7 @@ static unsigned int efi_i2c_msg_op_cnt(const struct efi_i2c_priv *i2c_priv, max_len = efi_i2c_max_len(i2c_priv, msg); - return ((u64)msg->len + max_len - 1) / max_len; + return (msg->len + max_len - 1) / max_len; } static unsigned int efi_i2c_req_op_cnt( -- 2.39.2