From 637d10d91e3677c84b678485c2a19a2a9aacf0f0 Mon Sep 17 00:00:00 2001 From: Tomasz Maciej Nowak Date: Sat, 9 Jun 2018 16:13:40 +0200 Subject: mvebu: add fix for armada 37xx cpufreq driver Backport from stable kernel tree fixing clock leak. Signed-off-by: Tomasz Maciej Nowak (cherry picked from commit 4ec8c8c23ed50dbe9cabbfc544ae2780f0287fd0) --- .../508-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 0000000..7479c6d --- /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 +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+ # 4.16+ +Reported-by: Thomas Petazzoni +Signed-off-by: Gregory CLEMENT +Acked-by: Viresh Kumar +Signed-off-by: Rafael J. Wysocki +--- + 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++) { -- cgit v1.1