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authorQuanyang Wang <quanyang.wang@windriver.com>2021-03-25 14:42:08 +0800
committerViresh Kumar <viresh.kumar@linaro.org>2021-03-25 12:28:09 +0530
commitc3135d28a1e099bcc12c2c2a2a154275f49ce86b (patch)
tree1ea24566b3db58860b2bf77c494640721b49258f
parent2b53d1bd13e1c2b20e5f3e55788e2c09bc2197e5 (diff)
cpufreq: dt: dev_pm_opp_of_cpumask_add_table() may return -EPROBE_DEFER
The function dev_pm_opp_of_cpumask_add_table() may return -EPROBE_DEFER, which needs to be propagated to the caller to try probing the driver later on. Signed-off-by: Quanyang Wang <quanyang.wang@windriver.com> [ Viresh: Massage changelog/subject, improve code. ] Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
-rw-r--r--drivers/cpufreq/cpufreq-dt.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index b1e1bdc63b01..ece52863ba62 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -255,10 +255,15 @@ static int dt_cpufreq_early_init(struct device *dev, int cpu)
* before updating priv->cpus. Otherwise, we will end up creating
* duplicate OPPs for the CPUs.
*
- * OPPs might be populated at runtime, don't check for error here.
+ * OPPs might be populated at runtime, don't fail for error here unless
+ * it is -EPROBE_DEFER.
*/
- if (!dev_pm_opp_of_cpumask_add_table(priv->cpus))
+ ret = dev_pm_opp_of_cpumask_add_table(priv->cpus);
+ if (!ret) {
priv->have_static_opps = true;
+ } else if (ret == -EPROBE_DEFER) {
+ goto out;
+ }
/*
* The OPP table must be initialized, statically or dynamically, by this