From: Quanyang Wang <quanyang.w...@windriver.com>
The function dev_pm_opp_of_cpumask_add_table may return -EPROBE_DEFER
which comes from clk_get(dev, NULL) in _update_opp_table_clk. Ignoring
this error and call the next function dev_pm_opp_of_cpumask_add_table
may cause dt_cpufreq_probe return -ENODEV instead of -EPROBE_DEFER.
And this will result cpufreq-dt driver probe failure.
Add check condition to fix this issue.
Signed-off-by: Quanyang Wang <quanyang.w...@windriver.com>
---
drivers/cpufreq/cpufreq-dt.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index b1e1bdc63b01..25e46df92941 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -257,7 +257,12 @@ static int dt_cpufreq_early_init(struct device *dev, int
cpu)
*
* OPPs might be populated at runtime, don't check for error here.
*/
- if (!dev_pm_opp_of_cpumask_add_table(priv->cpus))
+ ret = dev_pm_opp_of_cpumask_add_table(priv->cpus);
+ if (ret) {
+ /* Return the -EPROBE_DEFER error to trigger the deferred
probe. */
+ if (ret == -EPROBE_DEFER)
+ goto out;
+ } else
priv->have_static_opps = true;
/*
--
2.25.1
