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path: root/drivers/cpufreq/pmac32-cpufreq.c
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Diffstat (limited to 'drivers/cpufreq/pmac32-cpufreq.c')
-rw-r--r--drivers/cpufreq/pmac32-cpufreq.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/cpufreq/pmac32-cpufreq.c b/drivers/cpufreq/pmac32-cpufreq.c
index ff44016ea031..61ae06ca008e 100644
--- a/drivers/cpufreq/pmac32-cpufreq.c
+++ b/drivers/cpufreq/pmac32-cpufreq.c
@@ -442,7 +442,8 @@ static struct cpufreq_driver pmac_cpufreq_driver = {
.init = pmac_cpufreq_cpu_init,
.suspend = pmac_cpufreq_suspend,
.resume = pmac_cpufreq_resume,
- .flags = CPUFREQ_PM_NO_WARN,
+ .flags = CPUFREQ_PM_NO_WARN |
+ CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING,
.attr = cpufreq_generic_attr,
.name = "powermac",
};
@@ -626,14 +627,16 @@ static int __init pmac_cpufreq_setup(void)
if (!value)
goto out;
cur_freq = (*value) / 1000;
- transition_latency = CPUFREQ_ETERNAL;
/* Check for 7447A based MacRISC3 */
if (of_machine_is_compatible("MacRISC3") &&
of_get_property(cpunode, "dynamic-power-step", NULL) &&
PVR_VER(mfspr(SPRN_PVR)) == 0x8003) {
pmac_cpufreq_init_7447A(cpunode);
+
+ /* Allow dynamic switching */
transition_latency = 8000000;
+ pmac_cpufreq_driver.flags &= ~CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING;
/* Check for other MacRISC3 machines */
} else if (of_machine_is_compatible("PowerBook3,4") ||
of_machine_is_compatible("PowerBook3,5") ||