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-rw-r--r--drivers/ata/ahci.c4
-rw-r--r--drivers/ata/ahci.h1
-rw-r--r--drivers/ata/libahci.c10
3 files changed, 14 insertions, 1 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 251e57d3..4d1c672 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1142,9 +1142,11 @@ int ahci_host_activate(struct ata_host *host, int irq, unsigned int n_msis)
return rc;
for (i = 0; i < host->n_ports; i++) {
+ struct ahci_port_priv *pp = host->ports[i]->private_data;
+
rc = devm_request_threaded_irq(host->dev,
irq + i, ahci_hw_interrupt, ahci_thread_fn, IRQF_SHARED,
- dev_driver_string(host->dev), host->ports[i]);
+ pp->irq_desc, host->ports[i]);
if (rc)
goto out_free_irqs;
}
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index b830e6c..05adf29 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -306,6 +306,7 @@ struct ahci_port_priv {
int fbs_last_dev; /* save FBS.DEV of last FIS */
/* enclosure management info per PM slot */
struct ahci_em_priv em_priv[EM_MAX_SLOTS];
+ char *irq_desc; /* desc in /proc/interrupts */
};
struct ahci_host_priv {
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 34c8216..3797a7b 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -2234,6 +2234,16 @@ static int ahci_port_start(struct ata_port *ap)
if (!pp)
return -ENOMEM;
+ if (ap->host->n_ports > 1) {
+ pp->irq_desc = devm_kzalloc(dev, 8, GFP_KERNEL);
+ if (!pp->irq_desc) {
+ devm_kfree(dev, pp);
+ return -ENOMEM;
+ }
+ snprintf(pp->irq_desc, 8,
+ "%s%d", dev_driver_string(dev), ap->port_no);
+ }
+
/* check FBS capability */
if ((hpriv->cap & HOST_CAP_FBS) && sata_pmp_supported(ap)) {
void __iomem *port_mmio = ahci_port_base(ap);
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