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Diffstat (limited to 'drivers/ata/libahci.c')
-rw-r--r--drivers/ata/libahci.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 1add5baec584..1c99402a1017 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -2344,7 +2344,7 @@ static int ahci_port_start(struct ata_port *ap)
/*
* Switch to per-port locking in case each port has its own MSI vector.
*/
- if ((hpriv->flags & AHCI_HFLAG_MULTI_MSI)) {
+ if (hpriv->flags & AHCI_HFLAG_MULTI_MSI) {
spin_lock_init(&pp->lock);
ap->lock = &pp->lock;
}
@@ -2472,7 +2472,10 @@ static int ahci_host_activate_multi_irqs(struct ata_host *host, int irq,
rc = ata_host_start(host);
if (rc)
return rc;
-
+ /*
+ * Requests IRQs according to AHCI-1.1 when multiple MSIs were
+ * allocated. That is one MSI per port, starting from @irq.
+ */
for (i = 0; i < host->n_ports; i++) {
struct ahci_port_priv *pp = host->ports[i]->private_data;
@@ -2511,23 +2514,18 @@ out_free_irqs:
/**
* ahci_host_activate - start AHCI host, request IRQs and register it
* @host: target ATA host
- * @irq: base IRQ number to request
* @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
- * from @irq.
- *
* LOCKING:
* Inherited from calling layer (may sleep).
*
* RETURNS:
* 0 on success, -errno otherwise.
*/
-int ahci_host_activate(struct ata_host *host, int irq,
- struct scsi_host_template *sht)
+int ahci_host_activate(struct ata_host *host, struct scsi_host_template *sht)
{
struct ahci_host_priv *hpriv = host->private_data;
+ int irq = hpriv->irq;
int rc;
if (hpriv->flags & AHCI_HFLAG_MULTI_MSI)