diff --git a/[refs] b/[refs]
index d15b99126244..6718ab09056e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 69d37960b578be0a69383bd71d06c1fcfb86e8b9
+refs/heads/master: a9487e48a34d7ad606f40a76080475a522a27cff
diff --git a/trunk/arch/ppc/platforms/pmac_cpufreq.c b/trunk/arch/ppc/platforms/pmac_cpufreq.c
index c0605244edda..d4bc5f67ec53 100644
--- a/trunk/arch/ppc/platforms/pmac_cpufreq.c
+++ b/trunk/arch/ppc/platforms/pmac_cpufreq.c
@@ -695,6 +695,13 @@ static int __init pmac_cpufreq_setup(void)
 		set_speed_proc = pmu_set_cpu_speed;
 		is_pmu_based = 1;
 	}
+	/* Else check for TiPb 550 */
+	else if (machine_is_compatible("PowerBook3,3") && cur_freq == 550000) {
+		hi_freq = cur_freq;
+		low_freq = 500000;
+		set_speed_proc = pmu_set_cpu_speed;
+		is_pmu_based = 1;
+	}
 	/* Else check for TiPb 400 & 500 */
 	else if (machine_is_compatible("PowerBook3,2")) {
 		/* We only know about the 400 MHz and the 500Mhz model