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-rw-r--r--drivers/ata/libata-sff.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 48acc09dab9..b7ac80b4b1f 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -806,7 +806,10 @@ int ata_pci_init_one(struct pci_dev *pdev,
if (rc)
goto err_out;
- if (!legacy_mode) {
+ if (!legacy_mode && pdev->irq) {
+ /* We may have no IRQ assigned in which case we can poll. This
+ shouldn't happen on a sane system but robustness is cheap
+ in this case */
rc = devm_request_irq(dev, pdev->irq, pi->port_ops->irq_handler,
IRQF_SHARED, DRV_NAME, host);
if (rc)
@@ -814,7 +817,7 @@ int ata_pci_init_one(struct pci_dev *pdev,
ata_port_desc(host->ports[0], "irq %d", pdev->irq);
ata_port_desc(host->ports[1], "irq %d", pdev->irq);
- } else {
+ } else if (legacy_mode) {
if (!ata_port_is_dummy(host->ports[0])) {
rc = devm_request_irq(dev, ATA_PRIMARY_IRQ(pdev),
pi->port_ops->irq_handler,