AHCI: Pass SCSI host template as arg to ahci_host_activate()

This update is a prerequisite for consolidation of
AHCI host activation code within ahci_host_activate()
function.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org

drivers/ata/ahci.c

@@ -1230,8 +1230,7 @@ static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
  *	ahci_host_activate - start AHCI host, request IRQs and register it
  *	@host: target ATA host
  *	@irq: base IRQ number to request
- *	@irq_handler: irq_handler used when requesting IRQs
- *	@irq_flags: irq_flags used when requesting IRQs
+ *	@sht: scsi_host_template to use when registering the host
  *
  *	Similar to ata_host_activate, but requests IRQs according to AHCI-1.1
  *	when multiple MSIs were allocated. That is one MSI per port, starting
@@ -1243,7 +1242,8 @@ static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
  *	RETURNS:
  *	0 on success, -errno otherwise.
  */
-int ahci_host_activate(struct ata_host *host, int irq)
+int ahci_host_activate(struct ata_host *host, int irq,
+		       struct scsi_host_template *sht)
 {
 	int i, rc;
 
@@ -1271,7 +1271,7 @@ int ahci_host_activate(struct ata_host *host, int irq)
 	for (i = 0; i < host->n_ports; i++)
 		ata_port_desc(host->ports[i], "irq %d", irq + i);
 
-	rc = ata_host_register(host, &ahci_sht);
+	rc = ata_host_register(host, sht);
 	if (rc)
 		goto out_free_all_irqs;
 
@@ -1488,7 +1488,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	pci_set_master(pdev);
 
 	if (hpriv->flags & AHCI_HFLAG_MULTI_MSI)
-		return ahci_host_activate(host, pdev->irq);
+		return ahci_host_activate(host, pdev->irq, &ahci_sht);
 
 	return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
 				 &ahci_sht);

drivers/ata/ahci.h

@@ -392,7 +392,8 @@ irqreturn_t ahci_interrupt(int irq, void *dev_instance);
 irqreturn_t ahci_hw_interrupt(int irq, void *dev_instance);
 irqreturn_t ahci_thread_fn(int irq, void *dev_instance);
 void ahci_print_info(struct ata_host *host, const char *scc_s);
-int ahci_host_activate(struct ata_host *host, int irq);
+int ahci_host_activate(struct ata_host *host, int irq,
+		       struct scsi_host_template *sht);
 void ahci_error_handler(struct ata_port *ap);
 
 static inline void __iomem *__ahci_port_base(struct ata_host *host,