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x86: Documentation/i386/IO-APIC.txt: fix description

The description of the interrupt routing doesn't match the (nice) diagram.

Signed-off-by: Nick Andrew <nick@nick-andrew.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Nick Andrew 17 years ago
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c0c20fb5a8
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      Documentation/i386/IO-APIC.txt

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Documentation/i386/IO-APIC.txt

@@ -70,7 +70,7 @@ Every PCI card emits a PCI IRQ, which can be INTA, INTB, INTC or INTD:
 
 
 These INTA-D PCI IRQs are always 'local to the card', their real meaning
 These INTA-D PCI IRQs are always 'local to the card', their real meaning
 depends on which slot they are in. If you look at the daisy chaining diagram,
 depends on which slot they are in. If you look at the daisy chaining diagram,
-a card in slot4, issuing INTA IRQ, it will end up as a signal on PIRQ2 of
+a card in slot4, issuing INTA IRQ, it will end up as a signal on PIRQ4 of
 the PCI chipset. Most cards issue INTA, this creates optimal distribution
 the PCI chipset. Most cards issue INTA, this creates optimal distribution
 between the PIRQ lines. (distributing IRQ sources properly is not a
 between the PIRQ lines. (distributing IRQ sources properly is not a
 necessity, PCI IRQs can be shared at will, but it's a good for performance
 necessity, PCI IRQs can be shared at will, but it's a good for performance