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authorRam Chandra Jangir <rjangir@codeaurora.org>2018-05-04 21:57:33 +0530
committerJohn Crispin <john@phrozen.org>2018-05-22 20:34:14 +0200
commit93dd2f7211db6607184adadb488582e01fd5c29b (patch)
treefe982ceb4c20d2e1ecbe9ecfc386addaccae2e92 /target/linux/ipq806x/patches-4.14/0056-cpufreq-dt-Add-missing-rcu-locks.patch
parent70e6ea319d3bfdfdb34be540dc7d89aa175b5587 (diff)
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ipq806x: add kernel 4.14 support
- Rebased the patches for 4.14 - Dropped spi-qup and 0027, 0028, 0029 clk patches since it's already included in upstream. Tested on IPQ AP148 Board: 1) NOR boot and NAND boot 2) Tested USB and PCIe interfaces 3) WDOG test 4) cpu frequency scaling 5) ethernet, 2G and 5G WiFi 6) ubi sysupgrade Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> Tested-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
Diffstat (limited to 'target/linux/ipq806x/patches-4.14/0056-cpufreq-dt-Add-missing-rcu-locks.patch')
-rw-r--r--target/linux/ipq806x/patches-4.14/0056-cpufreq-dt-Add-missing-rcu-locks.patch23
1 files changed, 23 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches-4.14/0056-cpufreq-dt-Add-missing-rcu-locks.patch b/target/linux/ipq806x/patches-4.14/0056-cpufreq-dt-Add-missing-rcu-locks.patch
new file mode 100644
index 0000000000..0aae212dfe
--- /dev/null
+++ b/target/linux/ipq806x/patches-4.14/0056-cpufreq-dt-Add-missing-rcu-locks.patch
@@ -0,0 +1,23 @@
+From 001a8dcb56ced58c518aaa10a4f0ba5e878705b6 Mon Sep 17 00:00:00 2001
+From: Georgi Djakov <georgi.djakov@linaro.org>
+Date: Tue, 17 May 2016 16:15:43 +0300
+Subject: [PATCH 56/69] cpufreq-dt: Add missing rcu locks
+
+Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
+---
+ drivers/cpufreq/cpufreq-dt.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/drivers/cpufreq/cpufreq-dt.c
++++ b/drivers/cpufreq/cpufreq-dt.c
+@@ -143,8 +143,10 @@ static int opp_notifier(struct notifier_
+ ret = PTR_ERR(cpu_reg);
+ goto out;
+ }
++ rcu_read_lock();
+ volt = dev_pm_opp_get_voltage(opp);
+ freq = dev_pm_opp_get_freq(opp);
++ rcu_read_unlock();
+
+ mutex_lock(&priv->lock);
+ if (freq == priv->opp_freq) {