diff -Nru linux-link/arch/mips/ddb5xxx/ddb5476/nile4_pic.c.orig linux-link/arch/mips/ddb5xxx/ddb5476/nile4_pic.c
--- linux-link/arch/mips/ddb5xxx/ddb5476/nile4_pic.c.orig	Sat Dec  8 14:11:33 2001
+++ linux-link/arch/mips/ddb5xxx/ddb5476/nile4_pic.c	Fri Jan 18 14:51:24 2002
@@ -158,8 +158,8 @@
 	// ddb_set_pmr(DDB_PCIINIT0, DDB_PCICMD_IO, 0, DDB_PCI_ACCESS_32);
 	ddb_out32(DDB_PCIINIT0, reg);
 
-	/* i8269.c set the base vector to be 0x20, as it does for i386 */
-	return irq - 0x20;
+	/* i8269.c set the base vector to be 0x0 */
+	return irq + I8259_IRQ_BASE;
 }
 
 #if defined(CONFIG_LL_DEBUG)