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Diffstat (limited to 'arch/powerpc/kernel/pci_64.c')
-rw-r--r--arch/powerpc/kernel/pci_64.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 2fce7738e9e..138134c8c17 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -1289,6 +1289,9 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
DBG("Try to map irq for %s...\n", pci_name(pci_dev));
+#ifdef DEBUG
+ memset(&oirq, 0xff, sizeof(oirq));
+#endif
/* Try to get a mapping from the device-tree */
if (of_irq_map_pci(pci_dev, &oirq)) {
u8 line, pin;
@@ -1314,8 +1317,9 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
if (virq != NO_IRQ)
set_irq_type(virq, IRQ_TYPE_LEVEL_LOW);
} else {
- DBG(" -> got one, spec %d cells (0x%08x...) on %s\n",
- oirq.size, oirq.specifier[0], oirq.controller->full_name);
+ DBG(" -> got one, spec %d cells (0x%08x 0x%08x...) on %s\n",
+ oirq.size, oirq.specifier[0], oirq.specifier[1],
+ oirq.controller->full_name);
virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
oirq.size);
@@ -1324,6 +1328,9 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
DBG(" -> failed to map !\n");
return -1;
}
+
+ DBG(" -> mapped to linux irq %d\n", virq);
+
pci_dev->irq = virq;
pci_write_config_byte(pci_dev, PCI_INTERRUPT_LINE, virq);