ipq806x: remove v4.4 support

[openwrt/openwrt.git] / target / linux / ipq806x / patches-4.4 / 174-cpufreq-dt-Add-missing-rcu_read_lock-for-find_device_opp.patch

diff --git a/target/linux/ipq806x/patches-4.4/174-cpufreq-dt-Add-missing-rcu_read_lock-for-find_device_opp.patch b/target/linux/ipq806x/patches-4.4/174-cpufreq-dt-Add-missing-rcu_read_lock-for-find_device_opp.patch
deleted file mode 100644 (file)
index 1242721..0000000
--- a/target/linux/ipq806x/patches-4.4/174-cpufreq-dt-Add-missing-rcu_read_lock-for-find_device_opp.patch
+++ /dev/null
@@ -1,33 +0,0 @@
-From dafae9c5b39e2871bfd8db0b4bad6e850e42ef49 Mon Sep 17 00:00:00 2001
-From: Georgi Djakov <georgi.djakov@linaro.org>
-Date: Wed, 13 Jan 2016 15:10:25 +0200
-Subject: cpufreq-dt: Add missing rcu_read_lock() for find_device_opp()
-
-The function dev_pm_opp_get_notifier() must be called with held
-rcu_read_lock. In order to keep the pointer valid, add rcu_read_lock().
-
-Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
----
- drivers/cpufreq/cpufreq-dt.c | 3 +++
- 1 file changed, 3 insertions(+)
-
---- a/drivers/cpufreq/cpufreq-dt.c
-+++ b/drivers/cpufreq/cpufreq-dt.c
-@@ -359,14 +359,17 @@ static int cpufreq_init(struct cpufreq_p
- 
-       mutex_init(&priv->lock);
- 
-+      rcu_read_lock();
-       opp_srcu_head = dev_pm_opp_get_notifier(cpu_dev);
-       if (IS_ERR(opp_srcu_head)) {
-               ret = PTR_ERR(opp_srcu_head);
-+              rcu_read_unlock();
-               goto out_free_priv;
-       }
- 
-       priv->opp_nb.notifier_call = opp_notifier;
-       ret = srcu_notifier_chain_register(opp_srcu_head, &priv->opp_nb);
-+      rcu_read_unlock();
-       if (ret)
-               goto out_free_priv;
-