IRQ 0 is reserved and should not be assigned to pci device.
Signed-off-by: Bin Meng <bmeng...@gmail.com>
---
arch/x86/cpu/pci.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/cpu/pci.c b/arch/x86/cpu/pci.c
index fdfd5f7..f8da080 100644
--- a/arch/x86/cpu/pci.c
+++ b/arch/x86/cpu/pci.c
@@ -172,6 +172,8 @@ void pci_assign_irqs(int bus, int device, u8 irq[4])
continue;
line = irq[pin - 1];
+ if (!line)
+ continue;
debug("Assigning IRQ %d to PCI device %d.%x.%d (INT%c)\n",
line, bus, device, func, 'A' + pin - 1);
--
1.8.2.1
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