patch-2.0.31 linux/arch/alpha/kernel/irq.c

• Lines: 11
• Date: Mon Oct 13 08:28:55 1997
• Orig file: v2.0.30/linux/arch/alpha/kernel/irq.c
• Orig date: Sat Aug 10 00:03:14 1996

diff -u --recursive --new-file v2.0.30/linux/arch/alpha/kernel/irq.c linux/arch/alpha/kernel/irq.c
@@ -60,6 +60,10 @@
  */
 static void update_hw(unsigned long irq, unsigned long mask)
 {
+#ifdef CONFIG_ALPHA_ALCOR
+	/* always mask out 20..30 (which are unused) */
+	mask |= 0x7ff00000UL << 16;
+#endif
 	switch (irq) {
 #if NR_IRQS == 48
 	      default: