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cpufreq: dt: dev_pm_opp_of_cpumask_add_table() may return -EPROBE_DEFER

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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>
This commit is contained in:
Quanyang Wang 2021-03-25 14:42:08 +08:00 committed by Viresh Kumar
parent 2b53d1bd13
commit c3135d28a1
1 changed files with 7 additions and 2 deletions
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9
drivers/cpufreq/cpufreq-dt.c
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@ -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