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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-12-09 16:11:57 -0700
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-01-07 11:12:49 -0800
commit12b955ff63db0b75cfc2d4939696c57b31891ec6 (patch)
tree8b5d2f052cdd398cf40b2f601886cfaf962c4b07 /arch/x86/pci/irq.c
parentf672c392b9c61bcdfb1247561d404b2c3ed4b0b3 (diff)
downloadlinux-12b955ff63db0b75cfc2d4939696c57b31891ec6.tar.bz2
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>
Diffstat (limited to 'arch/x86/pci/irq.c')
-rw-r--r--arch/x86/pci/irq.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index cc9d5e254060..e1d605bfeb47 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -1041,6 +1041,9 @@ static void __init pcibios_fixup_irqs(void)
dev = NULL;
while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+ if (!pin)
+ continue;
+
#ifdef CONFIG_X86_IO_APIC
/*
* Recalculate IRQ numbers if we use the I/O APIC.
@@ -1048,9 +1051,6 @@ static void __init pcibios_fixup_irqs(void)
if (io_apic_assign_pci_irqs) {
int irq;
- if (!pin)
- continue;
-
/*
* interrupt pins are numbered starting from 1
*/
@@ -1091,7 +1091,7 @@ static void __init pcibios_fixup_irqs(void)
/*
* Still no IRQ? Try to lookup one...
*/
- if (pin && !dev->irq)
+ if (!dev->irq)
pcibios_lookup_irq(dev, 0);
}
}