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637d10d91e
Backport from stable kernel tree fixing clock leak.
Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
(cherry picked from commit 4ec8c8c23e)
36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From bbcc328561040292f7d6796954d478e4a2335e6f Mon Sep 17 00:00:00 2001
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From: Gregory CLEMENT <gregory.clement@bootlin.com>
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Date: Wed, 4 Apr 2018 16:44:44 +0200
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Subject: [PATCH] cpufreq: armada-37xx: Fix clock leak
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There was no clk_put() balancing the clk_get(). This commit fixes it.
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Fixes: 92ce45fb875d (cpufreq: Add DVFS support for Armada 37xx)
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Cc: 4.16+ <stable@vger.kernel.org> # 4.16+
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Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
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Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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---
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drivers/cpufreq/armada-37xx-cpufreq.c | 2 ++
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1 file changed, 2 insertions(+)
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--- a/drivers/cpufreq/armada-37xx-cpufreq.c
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+++ b/drivers/cpufreq/armada-37xx-cpufreq.c
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@@ -202,6 +202,7 @@ static int __init armada37xx_cpufreq_dri
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cur_frequency = clk_get_rate(clk);
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if (!cur_frequency) {
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dev_err(cpu_dev, "Failed to get clock rate for CPU\n");
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+ clk_put(clk);
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return -EINVAL;
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}
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@@ -210,6 +211,7 @@ static int __init armada37xx_cpufreq_dri
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return -EINVAL;
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armada37xx_cpufreq_dvfs_setup(nb_pm_base, clk, dvfs->divider);
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+ clk_put(clk);
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for (load_lvl = ARMADA_37XX_DVFS_LOAD_0; load_lvl < LOAD_LEVEL_NR;
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load_lvl++) {
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