Nowadays request_irq() is a wrapper of request_threaded_irq(). The IRQ
handler of 1394 ohci driver has never been optimized yet, while it is
a good preparation for the future work to replace the latter.

This commit replaces the former.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
---
 drivers/firewire/ohci.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index f18019c5d220..ec02708c5f05 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -3750,11 +3750,11 @@ static int pci_probe(struct pci_dev *dev,
 
 	if (!(ohci->quirks & QUIRK_NO_MSI))
 		pci_enable_msi(dev);
-	if (request_irq(dev->irq, irq_handler,
-			pci_dev_msi_enabled(dev) ? 0 : IRQF_SHARED,
-			ohci_driver_name, ohci)) {
+	err = request_threaded_irq(dev->irq, irq_handler, NULL,
+				   pci_dev_msi_enabled(dev) ? 0 : IRQF_SHARED, ohci_driver_name,
+				   ohci);
+	if (err < 0) {
 		ohci_err(ohci, "failed to allocate interrupt %d\n", dev->irq);
-		err = -EIO;
 		goto fail_msi;
 	}
 
-- 
2.43.0