acpi-cpufreq: Cleanup: Use printk_once

Signed-off-by: NThomas Renninger <trenn@suse.de>
Signed-off-by: NLen Brown <len.brown@intel.com>

arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c

@@ -693,13 +693,9 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
 	/* Check for high latency (>20uS) from buggy BIOSes, like on T42 */
 	if (perf->control_register.space_id == ACPI_ADR_SPACE_FIXED_HARDWARE &&
 	    policy->cpuinfo.transition_latency > 20 * 1000) {
-		static int print_once;
 		policy->cpuinfo.transition_latency = 20 * 1000;
-		if (!print_once) {
-			print_once = 1;
-			printk(KERN_INFO "Capping off P-state tranision latency"
-				" at 20 uS\n");
-		}
+			printk_once(KERN_INFO "Capping off P-state tranision"
+				    " latency at 20 uS\n");
 	}
 
 	data->max_freq = perf->states[0].core_frequency * 1000;