From c8397ed819928f2b4f082019c439431688e022e9 Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Wed, 15 Jul 2015 16:23:41 +0800 Subject: [PATCH] x86: pci: Do not assign irq 0 to pci device IRQ 0 is reserved and should not be assigned to pci device. Signed-off-by: Bin Meng Acked-by: Simon Glass --- 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 fdfd5f7b9c..f8da08035e 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); -- 2.39.2