Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux

Pull ACPI & Power Management patches from Len Brown:
 "Two fixes for cpuidle merge-window changes, plus a URL fix in
  MAINTAINERS"

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  MAINTAINERS: Update git url for ACPI
  cpuidle: Fix panic in CPU off-lining with no idle driver
  ACPI processor: Use safe_halt() rather than halt() in acpi_idle_play_dead()

3 files changed, 6 insertions, 3 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 0a2e44ce077..2dcfca85063 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -228,7 +228,7 @@ M:	Len Brown <lenb@kernel.org>
 L:      linux-acpi@vger.kernel.org
 W:      http://www.lesswatts.org/projects/acpi/
 Q:      http://patchwork.kernel.org/project/linux-acpi/list/
-T:      git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6.git
+T:      git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
 S:      Supported
 F:      drivers/acpi/
 F:      drivers/pnp/pnpacpi/
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index b3447f63e46..f3decb30223 100644
--- a/drivers/acpi/processor_idle.c
+++ b/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/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 87411cebc57..2f0083a51a9 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/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];