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ACPI processor: Use safe_halt() rather than halt() in acpi_idle_play_dead()

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ACPI code is shared by arch/x86 and arch/ia64. ia64 doesn't provide a plain
"halt()" function.  Use safe_halt() instead.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Tested-by: Boris Ostrovsky <boris.ostrovsky@amd.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Luck, Tony 2012-04-03 09:37:28 -07:00 committed by Len Brown
parent 1a022e3f1b
commit 54f7007776
1 changed files with 1 additions and 1 deletions
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2
drivers/acpi/processor_idle.c
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@ -786,7 +786,7 @@ static int acpi_idle_play_dead(struct cpuidle_device *dev, int index)
while (1) { while (1) {
if (cx->entry_method == ACPI_CSTATE_HALT) if (cx->entry_method == ACPI_CSTATE_HALT)
halt(); safe_halt();
else if (cx->entry_method == ACPI_CSTATE_SYSTEMIO) { else if (cx->entry_method == ACPI_CSTATE_SYSTEMIO) {
inb(cx->address); inb(cx->address);
/* See comment in acpi_idle_do_entry() */ /* See comment in acpi_idle_do_entry() */