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24 lines
704 B
24 lines
704 B
8 years ago
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From 001a8dcb56ced58c518aaa10a4f0ba5e878705b6 Mon Sep 17 00:00:00 2001
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From: Georgi Djakov <georgi.djakov@linaro.org>
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Date: Tue, 17 May 2016 16:15:43 +0300
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Subject: [PATCH 56/69] cpufreq-dt: Add missing rcu locks
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Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
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---
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drivers/cpufreq/cpufreq-dt.c | 2 ++
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1 file changed, 2 insertions(+)
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--- a/drivers/cpufreq/cpufreq-dt.c
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+++ b/drivers/cpufreq/cpufreq-dt.c
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@@ -143,8 +143,10 @@ static int opp_notifier(struct notifier_
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ret = PTR_ERR(cpu_reg);
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goto out;
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}
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+ rcu_read_lock();
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volt = dev_pm_opp_get_voltage(opp);
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freq = dev_pm_opp_get_freq(opp);
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+ rcu_read_unlock();
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mutex_lock(&priv->lock);
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if (freq == priv->opp_freq) {
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