aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorViresh Kumar <viresh.kumar@linaro.org>2014-11-25 16:04:23 +0530
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-12-01 02:49:33 +0100
commitcc87b8a8e94d840863334151f3525fd286c9ae23 (patch)
treeeaa7f97b46b755c0f7bfd406f9c057f5008ba427
parentc6104fdbb2f83ad7696220e14fee54e14935f04b (diff)
downloadleg-kernel-cc87b8a8e94d840863334151f3525fd286c9ae23.tar.gz
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>
-rw-r--r--drivers/cpufreq/imx6q-cpufreq.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
index c2d30765bf3d..5da1d131f770 100644
--- a/drivers/cpufreq/imx6q-cpufreq.c
+++ b/drivers/cpufreq/imx6q-cpufreq.c
@@ -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);