diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index 9200e349f29e411d53d2dc4126ea2f7a450a9288..370374086a6eccb9157fdc61eda4b51044194c85 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -306,10 +306,7 @@ static int i2c_smbus_host_notify_to_irq(const struct i2c_client *client)
 	if (client->flags & I2C_CLIENT_TEN)
 		return -EINVAL;
 
-	irq = irq_find_mapping(adap->host_notify_domain, client->addr);
-	if (!irq)
-		irq = irq_create_mapping(adap->host_notify_domain,
-					 client->addr);
+	irq = irq_create_mapping(adap->host_notify_domain, client->addr);
 
 	return irq > 0 ? irq : -ENXIO;
 }