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Merge branch 'pm-devfreq'

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* pm-devfreq:
  PM / devfreq: exynos-bus: add missing of_node_put after calling of_parse_phandle
  PM / devfreq: add missing of_node_put after calling of_parse_phandle
  PM / devfreq: exynos-ppmu: fix error path in exynos_ppmu_probe()
  PM / devfreq: exynos: fix error path in exynos_bus_probe()
  PM / devfreq: make event/exynos-ppmu DEVFREQ_EVENT_EXYNOS_PPMU tristate
  PM / devfreq: make event/exynos-nocp DEVFREQ_EVENT_EXYNOS_NOCP tristate
  PM / devfreq: make exynos-bus ARM_EXYNOS_BUS_DEVFREQ tristate
  PM / devfreq: make devfreq-event explicitly non-modular
  PM / devfreq: make devfreq explicitly non-modular
This commit is contained in:
Rafael J. Wysocki 2016-07-25 13:45:11 +02:00
commit dbac75468e
6 changed files with 16 additions and 31 deletions
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2
drivers/devfreq/Kconfig
View File

@ -75,7 +75,7 @@ config DEVFREQ_GOV_PASSIVE
comment "DEVFREQ Drivers"
config ARM_EXYNOS_BUS_DEVFREQ
bool "ARM EXYNOS Generic Memory Bus DEVFREQ Driver"
tristate "ARM EXYNOS Generic Memory Bus DEVFREQ Driver"
depends on ARCH_EXYNOS
select DEVFREQ_GOV_SIMPLE_ONDEMAND
select DEVFREQ_GOV_PASSIVE

12
drivers/devfreq/devfreq-event.c
View File

@ -15,7 +15,7 @@
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/export.h>
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/of.h>
@ -481,13 +481,3 @@ static int __init devfreq_event_init(void)
return 0;
}
subsys_initcall(devfreq_event_init);
static void __exit devfreq_event_exit(void)
{
class_destroy(devfreq_event_class);
}
module_exit(devfreq_event_exit);
MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>");
MODULE_DESCRIPTION("DEVFREQ-Event class support");
MODULE_LICENSE("GPL");

15
drivers/devfreq/devfreq.c
View File

@ -15,7 +15,7 @@
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/export.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/pm_opp.h>
@ -707,10 +707,12 @@ struct devfreq *devfreq_get_devfreq_by_phandle(struct device *dev, int index)
if (devfreq->dev.parent
&& devfreq->dev.parent->of_node == node) {
mutex_unlock(&devfreq_list_lock);
of_node_put(node);
return devfreq;
}
}
mutex_unlock(&devfreq_list_lock);
of_node_put(node);
return ERR_PTR(-EPROBE_DEFER);
}
@ -1199,13 +1201,6 @@ static int __init devfreq_init(void)
}
subsys_initcall(devfreq_init);
static void __exit devfreq_exit(void)
{
class_destroy(devfreq_class);
destroy_workqueue(devfreq_wq);
}
module_exit(devfreq_exit);
/*
* The followings are helper functions for devfreq user device drivers with
* OPP framework.
@ -1471,7 +1466,3 @@ void devm_devfreq_unregister_notifier(struct device *dev,
devm_devfreq_dev_match, devfreq));
}
EXPORT_SYMBOL(devm_devfreq_unregister_notifier);
MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
MODULE_DESCRIPTION("devfreq class support");
MODULE_LICENSE("GPL");

4
drivers/devfreq/event/Kconfig
View File

@ -14,7 +14,7 @@ menuconfig PM_DEVFREQ_EVENT
if PM_DEVFREQ_EVENT
config DEVFREQ_EVENT_EXYNOS_NOCP
bool "EXYNOS NoC (Network On Chip) Probe DEVFREQ event Driver"
tristate "EXYNOS NoC (Network On Chip) Probe DEVFREQ event Driver"
depends on ARCH_EXYNOS
select PM_OPP
help
@ -22,7 +22,7 @@ config DEVFREQ_EVENT_EXYNOS_NOCP
(Network on Chip) Probe counters to measure the bandwidth of AXI bus.
config DEVFREQ_EVENT_EXYNOS_PPMU
bool "EXYNOS PPMU (Platform Performance Monitoring Unit) DEVFREQ event Driver"
tristate "EXYNOS PPMU (Platform Performance Monitoring Unit) DEVFREQ event Driver"
depends on ARCH_EXYNOS
select PM_OPP
help

3
drivers/devfreq/event/exynos-ppmu.c
View File

@ -482,7 +482,8 @@ static int exynos_ppmu_probe(struct platform_device *pdev)
if (!info->edev) {
dev_err(&pdev->dev,
"failed to allocate memory devfreq-event devices\n");
return -ENOMEM;
ret = -ENOMEM;
goto err;
}
edev = info->edev;
platform_set_drvdata(pdev, info);

11
drivers/devfreq/exynos-bus.c
View File

@ -383,7 +383,7 @@ err_clk:
static int exynos_bus_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct device_node *np = dev->of_node, *node;
struct devfreq_dev_profile *profile;
struct devfreq_simple_ondemand_data *ondemand_data;
struct devfreq_passive_data *passive_data;
@ -407,7 +407,7 @@ static int exynos_bus_probe(struct platform_device *pdev)
/* Parse the device-tree to get the resource information */
ret = exynos_bus_parse_of(np, bus);
if (ret < 0)
goto err;
return ret;
profile = devm_kzalloc(dev, sizeof(*profile), GFP_KERNEL);
if (!profile) {
@ -415,10 +415,13 @@ static int exynos_bus_probe(struct platform_device *pdev)
goto err;
}
if (of_parse_phandle(dev->of_node, "devfreq", 0))
node = of_parse_phandle(dev->of_node, "devfreq", 0);
if (node) {
of_node_put(node);
goto passive;
else
} else {
ret = exynos_bus_parent_parse_of(np, bus);
}
if (ret < 0)
goto err;