[PATCH] documentation for Cyrix IRQ routing

65da4ecc · Dave Jones · Linus Torvalds · d2e8d48b · 65da4ecc
Commit 65da4ecc authored May 06, 2002 by Dave Jones Committed by Linus Torvalds May 06, 2002
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arch/i386/kernel/pci-irq.c arch/i386/kernel/pci-irq.c +2 -0

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--- a/arch/i386/kernel/pci-irq.c
+++ b/arch/i386/kernel/pci-irq.c
@@ -243,6 +243,8 @@ static int pirq_opti_set(struct pci_dev *router, struct pci_dev *dev, int pirq,

 /*
 * Cyrix: nibble offset 0x5C
+ * 0x5C bits 7:4 is INTB bits 3:0 is INTA 
+ * 0x5D bits 7:4 is INTD bits 3:0 is INTC
 */
 static int pirq_cyrix_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
 {