diff mbox

[07/22] Fixed PCI initilisation code for arches which dont need to map irqs

Message ID 1407255083-9356-8-git-send-email-matthew_minter@xyratex.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Matthew Minter Aug. 5, 2014, 4:11 p.m. UTC
From: matthew_minter <matthew_minter@xyratex.com>

---
 drivers/pci/setup-irq.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/drivers/pci/setup-irq.c b/drivers/pci/setup-irq.c
index a994e07..7bb4356 100644
--- a/drivers/pci/setup-irq.c
+++ b/drivers/pci/setup-irq.c
@@ -30,6 +30,11 @@  void pdev_assign_irq(struct pci_dev *dev,
 	u8 slot = -1;
 	int irq = 0;
 
+	if (!map_irq) {
+		dev_dbg(&dev->dev, "map_irq not provided by arch\n", dev->irq);
+		return;
+	}
+
 	/* If this device is not on the primary bus, we need to figure out
 	   which interrupt pin it will come in on.   We know which slot it
 	   will come in on 'cos that slot is where the bridge is.   Each