patch-2.4.22 linux-2.4.22/arch/ia64/sn/kernel/idle.c
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- Lines: 37
- Date:
2003-08-25 04:44:39.000000000 -0700
- Orig file:
linux-2.4.21/arch/ia64/sn/kernel/idle.c
- Orig date:
1969-12-31 16:00:00.000000000 -0800
diff -urN linux-2.4.21/arch/ia64/sn/kernel/idle.c linux-2.4.22/arch/ia64/sn/kernel/idle.c
@@ -0,0 +1,36 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 2001-2003 Silicon Graphics, Inc. All rights reserved.
+ */
+
+#include <linux/config.h>
+#include <asm/sn/leds.h>
+#include <asm/sn/simulator.h>
+
+void snidle(int state) {
+ if (state) {
+ if (pda.idle_flag == 0) {
+ /*
+ * Turn the activity LED off.
+ */
+ set_led_bits(0, LED_CPU_ACTIVITY);
+ }
+
+#ifdef CONFIG_IA64_SGI_SN_SIM
+ if (IS_RUNNING_ON_SIMULATOR())
+ SIMULATOR_SLEEP();
+#endif
+
+ pda.idle_flag = 1;
+ } else {
+ /*
+ * Turn the activity LED on.
+ */
+ set_led_bits(LED_CPU_ACTIVITY, LED_CPU_ACTIVITY);
+
+ pda.idle_flag = 0;
+ }
+}
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