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path: root/drivers/cpufreq/cpufreq-dt.c
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Diffstat (limited to 'drivers/cpufreq/cpufreq-dt.c')
-rw-r--r--drivers/cpufreq/cpufreq-dt.c55
1 files changed, 10 insertions, 45 deletions
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index 2d83bbc65dd0..e80dd982a3e2 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -36,12 +36,6 @@ struct private_data {
static LIST_HEAD(priv_list);
-static struct freq_attr *cpufreq_dt_attr[] = {
- &cpufreq_freq_attr_scaling_available_freqs,
- NULL, /* Extra space for boost-attr if required */
- NULL,
-};
-
static struct private_data *cpufreq_dt_find_data(int cpu)
{
struct private_data *priv;
@@ -68,36 +62,22 @@ static int set_target(struct cpufreq_policy *policy, unsigned int index)
*/
static const char *find_supply_name(struct device *dev)
{
- struct device_node *np;
- struct property *pp;
+ struct device_node *np __free(device_node) = of_node_get(dev->of_node);
int cpu = dev->id;
- const char *name = NULL;
-
- np = of_node_get(dev->of_node);
/* This must be valid for sure */
if (WARN_ON(!np))
return NULL;
/* Try "cpu0" for older DTs */
- if (!cpu) {
- pp = of_find_property(np, "cpu0-supply", NULL);
- if (pp) {
- name = "cpu0";
- goto node_put;
- }
- }
+ if (!cpu && of_property_present(np, "cpu0-supply"))
+ return "cpu0";
- pp = of_find_property(np, "cpu-supply", NULL);
- if (pp) {
- name = "cpu";
- goto node_put;
- }
+ if (of_property_present(np, "cpu-supply"))
+ return "cpu";
dev_dbg(dev, "no regulator for cpu%d\n", cpu);
-node_put:
- of_node_put(np);
- return name;
+ return NULL;
}
static int cpufreq_init(struct cpufreq_policy *policy)
@@ -134,21 +114,7 @@ static int cpufreq_init(struct cpufreq_policy *policy)
policy->cpuinfo.transition_latency = transition_latency;
policy->dvfs_possible_from_any_cpu = true;
- /* Support turbo/boost mode */
- if (policy_has_boost_freq(policy)) {
- /* This gets disabled by core on driver unregister */
- ret = cpufreq_enable_boost_support();
- if (ret)
- goto out_clk_put;
- cpufreq_dt_attr[1] = &cpufreq_freq_attr_scaling_boost_freqs;
- }
-
return 0;
-
-out_clk_put:
- clk_put(cpu_clk);
-
- return ret;
}
static int cpufreq_online(struct cpufreq_policy *policy)
@@ -166,10 +132,9 @@ static int cpufreq_offline(struct cpufreq_policy *policy)
return 0;
}
-static int cpufreq_exit(struct cpufreq_policy *policy)
+static void cpufreq_exit(struct cpufreq_policy *policy)
{
clk_put(policy->clk);
- return 0;
}
static struct cpufreq_driver dt_cpufreq_driver = {
@@ -184,7 +149,7 @@ static struct cpufreq_driver dt_cpufreq_driver = {
.offline = cpufreq_offline,
.register_em = cpufreq_register_em_with_opp,
.name = "cpufreq-dt",
- .attr = cpufreq_dt_attr,
+ .set_boost = cpufreq_boost_set_sw,
.suspend = cpufreq_generic_suspend,
};
@@ -318,7 +283,7 @@ static int dt_cpufreq_probe(struct platform_device *pdev)
int ret, cpu;
/* Request resources early so we can return in case of -EPROBE_DEFER */
- for_each_possible_cpu(cpu) {
+ for_each_present_cpu(cpu) {
ret = dt_cpufreq_early_init(&pdev->dev, cpu);
if (ret)
goto err;
@@ -360,7 +325,7 @@ static struct platform_driver dt_cpufreq_platdrv = {
.name = "cpufreq-dt",
},
.probe = dt_cpufreq_probe,
- .remove_new = dt_cpufreq_remove,
+ .remove = dt_cpufreq_remove,
};
module_platform_driver(dt_cpufreq_platdrv);