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OpenCloudOS-Kernel
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imx6q: free OPP table created during ->init() 

OPP layer now supports freeing of OPPs and we should free them once they aren't
useful anymore.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar 2014-11-25 16:04:23 +05:30 committed by Rafael J. Wysocki
parent c6104fdbb2
commit cc87b8a8e9
1 changed files with 10 additions and 1 deletions
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11
drivers/cpufreq/imx6q-cpufreq.c
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@ -31,6 +31,7 @@ static struct clk *step_clk;
static struct clk *pll2_pfd2_396m_clk;
static struct device *cpu_dev;
static bool free_opp;
static struct cpufreq_frequency_table *freq_table;
static unsigned int transition_latency;
@ -207,11 +208,14 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev)
goto put_reg;
}
/* Because we have added the OPPs here, we must free them */
free_opp = true;
num = dev_pm_opp_get_opp_count(cpu_dev);
if (num < 0) {
ret = num;
dev_err(cpu_dev, "no OPP table is found: %d\n", ret);
goto put_reg;
goto out_free_opp;
}
}
@ -306,6 +310,9 @@ soc_opp_out:
free_freq_table:
dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table);
out_free_opp:
if (free_opp)
of_free_opp_table(cpu_dev);
put_reg:
if (!IS_ERR(arm_reg))
regulator_put(arm_reg);
@ -332,6 +339,8 @@ static int imx6q_cpufreq_remove(struct platform_device *pdev)
{
cpufreq_unregister_driver(&imx6q_cpufreq_driver);
dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table);
if (free_opp)
of_free_opp_table(cpu_dev);
regulator_put(arm_reg);
if (!IS_ERR(pu_reg))
regulator_put(pu_reg);