Merge commit '73053d973' into smp-hotplug

This is to fix a merge problem with mach-highbank/hotplug.c, which git
silently resolves, but wrongly.  This commit contains the correct
resolution.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-highbank/hotplug.c

@@ -14,6 +14,7 @@
  * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include <linux/kernel.h>
+#include <asm/cacheflush.h>
 
 #include "core.h"
 #include "sysregs.h"
@@ -27,10 +28,10 @@ extern void secondary_startup(void);
 void __ref highbank_cpu_die(unsigned int cpu)
 {
 	highbank_set_cpu_jump(cpu, phys_to_virt(0));
-	highbank_set_core_pwr();
 
-	cpu_do_idle();
+	flush_cache_louis();
+	highbank_set_core_pwr();
 
-	/* We should never return from idle */
-	panic("highbank: cpu %d unexpectedly exit from shutdown\n", cpu);
+	while (1)
+		cpu_do_idle();
 }