diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 5a0bf8ed649b..e45b18ee04c3 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1232,18 +1232,14 @@ int ahci_host_activate(struct ata_host *host, int irq, unsigned int n_msis)
 		return rc;
 
 	for (i = 0; i < host->n_ports; i++) {
-		const char* desc;
 		struct ahci_port_priv *pp = host->ports[i]->private_data;
 
 		/* pp is NULL for dummy ports */
 		if (pp)
-			desc = pp->irq_desc;
-		else
-			desc = dev_driver_string(host->dev);
-
-		rc = devm_request_threaded_irq(host->dev,
-			irq + i, ahci_hw_interrupt, ahci_thread_fn, IRQF_SHARED,
-			desc, host->ports[i]);
+			rc = devm_request_threaded_irq(host->dev,
+						       irq + i, ahci_hw_interrupt,
+						       ahci_thread_fn, IRQF_SHARED,
+						       pp->irq_desc, host->ports[i]);
 		if (rc)
 			goto out_free_irqs;
 	}