diff --git a/drivers/i2c/busses/i2c-loongson.c b/drivers/i2c/busses/i2c-loongson.c
index a2dc0dd1e4f8ef98b715dc09682478cdd3d1f9fd..be533c53e6da525cbda53a5c7b644acf973ee05b 100644
--- a/drivers/i2c/busses/i2c-loongson.c
+++ b/drivers/i2c/busses/i2c-loongson.c
@@ -508,6 +508,7 @@ static int loongson_i2c_remove(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, NULL);
 	i2c_del_adapter(&dev->adapter);
+	free_irq(dev->irq, dev);
 	iounmap(dev->base);
 	kfree(dev);
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);