diff options
Diffstat (limited to 'drivers/cpufreq/apple-soc-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/apple-soc-cpufreq.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/cpufreq/apple-soc-cpufreq.c b/drivers/cpufreq/apple-soc-cpufreq.c index 4dcacab9b4bf..ddf7dcb3e9b0 100644 --- a/drivers/cpufreq/apple-soc-cpufreq.c +++ b/drivers/cpufreq/apple-soc-cpufreq.c @@ -103,11 +103,17 @@ static const struct of_device_id apple_soc_cpufreq_of_match[] __maybe_unused = { static unsigned int apple_soc_cpufreq_get_rate(unsigned int cpu) { - struct cpufreq_policy *policy = cpufreq_cpu_get_raw(cpu); - struct apple_cpu_priv *priv = policy->driver_data; + struct cpufreq_policy *policy; + struct apple_cpu_priv *priv; struct cpufreq_frequency_table *p; unsigned int pstate; + policy = cpufreq_cpu_get_raw(cpu); + if (unlikely(!policy)) + return 0; + + priv = policy->driver_data; + if (priv->info->cur_pstate_mask) { u64 reg = readq_relaxed(priv->reg_base + APPLE_DVFS_STATUS); |