diff options
Diffstat (limited to 'drivers/cpufreq/arm_big_little.c')
| -rw-r--r-- | drivers/cpufreq/arm_big_little.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/cpufreq/arm_big_little.c b/drivers/cpufreq/arm_big_little.c index e1a6ba6..f65e19f 100644 --- a/drivers/cpufreq/arm_big_little.c +++ b/drivers/cpufreq/arm_big_little.c @@ -186,6 +186,15 @@ bL_cpufreq_set_rate(u32 cpu, u32 old_cluster, u32 new_cluster, u32 rate) mutex_unlock(&cluster_lock[old_cluster]); } + /* + * FIXME: clk_set_rate has to handle the case where clk_change_rate + * can fail due to hardware or firmware issues. Until the clk core + * layer is fixed, we can check here. In most of the cases we will + * be reading only the cached value anyway. This needs to be removed + * once clk core is fixed. + */ + if (bL_cpufreq_get_rate(cpu) != new_rate) + return -EIO; return 0; } |
