[PATCH V2 15/16] cpufreq: dt: drop references to DT node

From: Viresh Kumar
Date: Thu Jan 28 2016 - 03:22:23 EST


We don't need to get reference to DT node now, lets drop it.

Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Reviewed-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
---
drivers/cpufreq/cpufreq-dt.c | 20 +++-----------------
1 file changed, 3 insertions(+), 17 deletions(-)

diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index 13338365f24e..5ea41518df63 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -33,7 +33,6 @@ struct private_data {
struct device *cpu_dev;
struct regulator *cpu_reg;
struct thermal_cooling_device *cdev;
- unsigned int voltage_tolerance; /* in percentage */
const char *reg_name;
};

@@ -166,7 +165,6 @@ static int allocate_resources(int cpu, struct device **cdev,
static int cpufreq_init(struct cpufreq_policy *policy)
{
struct cpufreq_frequency_table *freq_table;
- struct device_node *np;
struct private_data *priv;
struct device *cpu_dev;
struct regulator *cpu_reg;
@@ -183,13 +181,6 @@ static int cpufreq_init(struct cpufreq_policy *policy)
return ret;
}

- np = of_node_get(cpu_dev->of_node);
- if (!np) {
- dev_err(cpu_dev, "failed to find cpu%d node\n", policy->cpu);
- ret = -ENOENT;
- goto out_put_reg_clk;
- }
-
/* Get OPP-sharing information from "operating-points-v2" bindings */
ret = dev_pm_opp_of_get_sharing_cpus(cpu_dev, policy->cpus);
if (ret) {
@@ -200,7 +191,7 @@ static int cpufreq_init(struct cpufreq_policy *policy)
if (ret == -ENOENT)
opp_v1 = true;
else
- goto out_node_put;
+ goto out_put_reg_clk;
}

/*
@@ -210,7 +201,7 @@ static int cpufreq_init(struct cpufreq_policy *policy)
name = find_supply_name(cpu_dev);
if (IS_ERR(name)) {
ret = PTR_ERR(name);
- goto out_node_put;
+ goto out_put_reg_clk;
}

if (name) {
@@ -218,7 +209,7 @@ static int cpufreq_init(struct cpufreq_policy *policy)
if (ret) {
dev_err(cpu_dev, "Failed to set regulator for cpu%d: %d\n",
policy->cpu, ret);
- goto out_node_put;
+ goto out_put_reg_clk;
}
}

@@ -268,7 +259,6 @@ static int cpufreq_init(struct cpufreq_policy *policy)
}

priv->reg_name = name;
- of_property_read_u32(np, "voltage-tolerance", &priv->voltage_tolerance);

ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table);
if (ret) {
@@ -310,8 +300,6 @@ static int cpufreq_init(struct cpufreq_policy *policy)

policy->cpuinfo.transition_latency = transition_latency;

- of_node_put(np);
-
return 0;

out_free_cpufreq_table:
@@ -322,8 +310,6 @@ static int cpufreq_init(struct cpufreq_policy *policy)
dev_pm_opp_of_cpumask_remove_table(policy->cpus);
if (name)
dev_pm_opp_put_regulator(cpu_dev);
-out_node_put:
- of_node_put(np);
out_put_reg_clk:
clk_put(cpu_clk);
if (!IS_ERR(cpu_reg))
--
2.7.0.79.gdc08a19