dev_pm_opp_get_opp_count() must be called with RCU lock held.
Signed-off-by: Dmitry Torokhov <d...@chromium.org>
---
Again, not tested...
drivers/cpufreq/exynos5440-cpufreq.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/cpufreq/exynos5440-cpufreq.c
b/drivers/cpufreq/exynos5440-cpufreq.c
index 21a90ed..588b9ee 100644
--- a/drivers/cpufreq/exynos5440-cpufreq.c
+++ b/drivers/cpufreq/exynos5440-cpufreq.c
@@ -373,7 +373,11 @@ static int exynos_cpufreq_probe(struct platform_device
*pdev)
"failed to init cpufreq table: %d\n", ret);
goto err_free_opp;
}
+
+ rcu_read_lock();
dvfs_info->freq_count = dev_pm_opp_get_opp_count(dvfs_info->dev);
+ rcu_read_unlock();
+
exynos_sort_descend_freq_table();
if (of_property_read_u32(np, "clock-latency", &dvfs_info->latency))
--
2.2.0.rc0.207.ga3a616c
--
Dmitry
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