Backport from stable kernel tree fixing clock leak.
Signed-off-by: Tomasz Maciej Nowak <tome...@o2.pl>
---
Please also cherry-pick this to OpenWrt 18.06.
---
...8-cpufreq-armada-37xx-Fix-clock-leak.patch | 35 +++++++++++++++++++
1 file changed, 35 insertions(+)
create mode 100644
target/linux/mvebu/patches-4.14/508-cpufreq-armada-37xx-Fix-clock-leak.patch
diff --git
a/target/linux/mvebu/patches-4.14/508-cpufreq-armada-37xx-Fix-clock-leak.patch
b/target/linux/mvebu/patches-4.14/508-cpufreq-armada-37xx-Fix-clock-leak.patch
new file mode 100644
index 0000000000..7479c6db21
--- /dev/null
+++
b/target/linux/mvebu/patches-4.14/508-cpufreq-armada-37xx-Fix-clock-leak.patch
@@ -0,0 +1,35 @@
+From bbcc328561040292f7d6796954d478e4a2335e6f Mon Sep 17 00:00:00 2001
+From: Gregory CLEMENT <gregory.clem...@bootlin.com>
+Date: Wed, 4 Apr 2018 16:44:44 +0200
+Subject: [PATCH] cpufreq: armada-37xx: Fix clock leak
+
+There was no clk_put() balancing the clk_get(). This commit fixes it.
+
+Fixes: 92ce45fb875d (cpufreq: Add DVFS support for Armada 37xx)
+Cc: 4.16+ <sta...@vger.kernel.org> # 4.16+
+Reported-by: Thomas Petazzoni <thomas.petazz...@bootlin.com>
+Signed-off-by: Gregory CLEMENT <gregory.clem...@bootlin.com>
+Acked-by: Viresh Kumar <viresh.ku...@linaro.org>
+Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
+---
+ drivers/cpufreq/armada-37xx-cpufreq.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/drivers/cpufreq/armada-37xx-cpufreq.c
++++ b/drivers/cpufreq/armada-37xx-cpufreq.c
+@@ -202,6 +202,7 @@ static int __init armada37xx_cpufreq_dri
+ cur_frequency = clk_get_rate(clk);
+ if (!cur_frequency) {
+ dev_err(cpu_dev, "Failed to get clock rate for CPU\n");
++ clk_put(clk);
+ return -EINVAL;
+ }
+
+@@ -210,6 +211,7 @@ static int __init armada37xx_cpufreq_dri
+ return -EINVAL;
+
+ armada37xx_cpufreq_dvfs_setup(nb_pm_base, clk, dvfs->divider);
++ clk_put(clk);
+
+ for (load_lvl = ARMADA_37XX_DVFS_LOAD_0; load_lvl < LOAD_LEVEL_NR;
+ load_lvl++) {
--
2.17.1
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