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path: root/drivers/pci/of.c
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Diffstat (limited to 'drivers/pci/of.c')
-rw-r--r--drivers/pci/of.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/pci/of.c b/drivers/pci/of.c
index d84381ce82b5..0b1237cff239 100644
--- a/drivers/pci/of.c
+++ b/drivers/pci/of.c
@@ -423,7 +423,7 @@ failed:
*/
static int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
{
- struct device_node *dn, *ppnode;
+ struct device_node *dn, *ppnode = NULL;
struct pci_dev *ppdev;
__be32 laddr[3];
u8 pin;
@@ -452,8 +452,14 @@ static int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *
if (pin == 0)
return -ENODEV;
+ /* Local interrupt-map in the device node? Use it! */
+ if (of_get_property(dn, "interrupt-map", NULL)) {
+ pin = pci_swizzle_interrupt_pin(pdev, pin);
+ ppnode = dn;
+ }
+
/* Now we walk up the PCI tree */
- for (;;) {
+ while (!ppnode) {
/* Get the pci_dev of our parent */
ppdev = pdev->bus->self;