void __iomem *hcr_base;
        void __iomem *ssr_base;
        void __iomem *csr_base;
+       int irq;
 };
 
 static inline unsigned int sata_fsl_tag(unsigned int tag,
                dev_printk(KERN_ERR, &ofdev->dev, "invalid irq from platform\n");
                goto error_exit_with_cleanup;
        }
+       host_priv->irq = irq;
 
        /* allocate host structure */
        host = ata_host_alloc_pinfo(&ofdev->dev, ppi, SATA_FSL_MAX_PORTS);
 
        dev_set_drvdata(&ofdev->dev, NULL);
 
-       irq_dispose_mapping(host->irq);
+       irq_dispose_mapping(host_priv->irq);
        iounmap(host_priv->hcr_base);
        kfree(host_priv);