[CPUFREQ] Check whether driver init did not initialize current freq

Check whether driver init did not initialize current freq Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Dave Jones <davej@redhat.com>
git-mirror · Feb 2, 2006 · a85f7bd · a85f7bd
1 parent 9d2725b
commit a85f7bd
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
@@ -1442,8 +1442,13 @@ int cpufreq_update_policy(unsigned int cpu)
 	  -> ask driver for current freq and notify governors about a change */
 	if (cpufreq_driver->get) {
 		policy.cur = cpufreq_driver->get(cpu);
-		if (data->cur != policy.cur)
-			cpufreq_out_of_sync(cpu, data->cur, policy.cur);
+		if (!data->cur) {
+			dprintk("Driver did not initialize current freq");
+			data->cur = policy.cur;
+		} else {
+			if (data->cur != policy.cur)
+				cpufreq_out_of_sync(cpu, data->cur, policy.cur);
+		}
 	}
 
 	ret = __cpufreq_set_policy(data, &policy);