x86/PCI: minor logic simplications
Test "pin" immediately to simplify the subsequent code. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: hpa@zytor.com Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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@ -1041,6 +1041,9 @@ static void __init pcibios_fixup_irqs(void)
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dev = NULL;
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while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
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pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
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if (!pin)
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continue;
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#ifdef CONFIG_X86_IO_APIC
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/*
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* Recalculate IRQ numbers if we use the I/O APIC.
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@ -1048,9 +1051,6 @@ static void __init pcibios_fixup_irqs(void)
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if (io_apic_assign_pci_irqs) {
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int irq;
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if (!pin)
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continue;
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/*
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* interrupt pins are numbered starting from 1
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*/
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@ -1091,7 +1091,7 @@ static void __init pcibios_fixup_irqs(void)
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/*
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* Still no IRQ? Try to lookup one...
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*/
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if (pin && !dev->irq)
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if (!dev->irq)
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pcibios_lookup_irq(dev, 0);
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}
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}
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