diff options
| author | Dmitry Osipenko <digetx@gmail.com> | 2018-05-18 22:06:36 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-05-21 13:44:24 +0200 |
| commit | 64cd64e72bc26e60457094b93d93eaeee08ddd47 (patch) | |
| tree | f172d150b08e0226163a0c10c2b48a63a78a4475 /drivers | |
| parent | cpufreq: tegra20: Remove EMC clock usage (diff) | |
| download | linux-64cd64e72bc26e60457094b93d93eaeee08ddd47.tar.xz linux-64cd64e72bc26e60457094b93d93eaeee08ddd47.zip | |
cpufreq: tegra20: Release clocks properly
Properly put requested clocks in the module init/exit code.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cpufreq/tegra20-cpufreq.c | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/drivers/cpufreq/tegra20-cpufreq.c b/drivers/cpufreq/tegra20-cpufreq.c index 4b09a8b410c4..ea186d3f0faf 100644 --- a/drivers/cpufreq/tegra20-cpufreq.c +++ b/drivers/cpufreq/tegra20-cpufreq.c @@ -161,24 +161,45 @@ static struct cpufreq_driver tegra_cpufreq_driver = { static int __init tegra_cpufreq_init(void) { + int err; + cpu_clk = clk_get_sys(NULL, "cclk"); if (IS_ERR(cpu_clk)) return PTR_ERR(cpu_clk); pll_x_clk = clk_get_sys(NULL, "pll_x"); - if (IS_ERR(pll_x_clk)) - return PTR_ERR(pll_x_clk); + if (IS_ERR(pll_x_clk)) { + err = PTR_ERR(pll_x_clk); + goto put_cpu; + } pll_p_clk = clk_get_sys(NULL, "pll_p"); - if (IS_ERR(pll_p_clk)) - return PTR_ERR(pll_p_clk); + if (IS_ERR(pll_p_clk)) { + err = PTR_ERR(pll_p_clk); + goto put_pll_x; + } + + err = cpufreq_register_driver(&tegra_cpufreq_driver); + if (err) + goto put_pll_p; + + return 0; + +put_pll_p: + clk_put(pll_p_clk); +put_pll_x: + clk_put(pll_x_clk); +put_cpu: + clk_put(cpu_clk); - return cpufreq_register_driver(&tegra_cpufreq_driver); + return err; } static void __exit tegra_cpufreq_exit(void) { cpufreq_unregister_driver(&tegra_cpufreq_driver); + clk_put(pll_p_clk); + clk_put(pll_x_clk); clk_put(cpu_clk); } |