---

yaml --- r: 298871 b: refs/heads/master c: eeaab2d h: refs/heads/master i: 298869: ac55958 298867: 3414b9e 298863: 906e3b4 v: v3
git-mirror · Apr 7, 2012 · 7266415 · 7266415
1 parent ab5b261
commit 7266415
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Showing 3 changed files with 6 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: aaef292acf3a78d9c0bb6fb72226077d286b45d7
+refs/heads/master: eeaab2d8af2cf1d36d7086f22e9de42d6dd2995c
diff --git a/trunk/drivers/acpi/processor_idle.c b/trunk/drivers/acpi/processor_idle.c
@@ -786,7 +786,7 @@ static int acpi_idle_play_dead(struct cpuidle_device *dev, int index)
 	while (1) {
 
 		if (cx->entry_method == ACPI_CSTATE_HALT)
-			halt();
+			safe_halt();
 		else if (cx->entry_method == ACPI_CSTATE_SYSTEMIO) {
 			inb(cx->address);
 			/* See comment in acpi_idle_do_entry() */

diff --git a/trunk/drivers/cpuidle/cpuidle.c b/trunk/drivers/cpuidle/cpuidle.c
@@ -74,7 +74,7 @@ static cpuidle_enter_t cpuidle_enter_ops;
 /**
  * cpuidle_play_dead - cpu off-lining
  *
- * Only returns in case of an error
+ * Returns in case of an error or no driver
  */
 int cpuidle_play_dead(void)
 {
@@ -83,6 +83,9 @@ int cpuidle_play_dead(void)
 	int i, dead_state = -1;
 	int power_usage = -1;
 
+	if (!drv)
+		return -ENODEV;
+
 	/* Find lowest-power state that supports long-term idle */
 	for (i = CPUIDLE_DRIVER_STATE_START; i < drv->state_count; i++) {
 		struct cpuidle_state *s = &drv->states[i];