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x86: pci: Do not assign irq 0 to pci device

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IRQ 0 is reserved and should not be assigned to pci device.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2015-07-15 16:23:41 +08:00 • committed by Simon Glass
parent 31a2dc6955
commit 6fc0e8a1fa
1 changed files with 2 additions and 0 deletions
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2
arch/x86/cpu/pci.c
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@ -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);