[PATCH] documentation for Cyrix IRQ routing

diff --git a/arch/i386/kernel/pci-irq.c b/arch/i386/kernel/pci-irq.c
index 9f0f207d1dad601e49d03d49aafe74b91c9d5cc1..34640b67a3149f9b8f29ab733a72e21cc2edcf90 100644 (file)
--- 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)
 {