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Subject[PATCH] thermal: make thermal_cooling_device_register accepts const string
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Change the argument similarly to thermal_zone_device_register. This will
help register names get from of_property_read_string during probe.

Signed-off-by: Wei Wang <wvw@google.com>
---
Documentation/thermal/sysfs-api.txt | 7 ++++---
drivers/thermal/thermal_core.c | 6 +++---
include/linux/thermal.h | 12 ++++++------
3 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/Documentation/thermal/sysfs-api.txt b/Documentation/thermal/sysfs-api.txt
index c3fa500df92c..0c26c05197ad 100644
--- a/Documentation/thermal/sysfs-api.txt
+++ b/Documentation/thermal/sysfs-api.txt
@@ -31,7 +31,7 @@ temperature) and throttle appropriate devices.
1. thermal sysfs driver interface functions

1.1 thermal zone device interface
-1.1.1 struct thermal_zone_device *thermal_zone_device_register(char *type,
+1.1.1 struct thermal_zone_device *thermal_zone_device_register(const char *type,
int trips, int mask, void *devdata,
struct thermal_zone_device_ops *ops,
const struct thermal_zone_params *tzp,
@@ -160,8 +160,9 @@ temperature) and throttle appropriate devices.
drivers for temperature calculations.

1.2 thermal cooling device interface
-1.2.1 struct thermal_cooling_device *thermal_cooling_device_register(char *name,
- void *devdata, struct thermal_cooling_device_ops *)
+1.2.1 struct thermal_cooling_device *thermal_cooling_device_register(
+ const char *name, void *devdata,
+ struct thermal_cooling_device_ops *ops)

This interface function adds a new thermal cooling device (fan/processor/...)
to /sys/class/thermal/ folder as cooling_device[0-*]. It tries to bind itself
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 6590bb5cb688..b708b66fef94 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -941,7 +941,7 @@ static void bind_cdev(struct thermal_cooling_device *cdev)
*/
static struct thermal_cooling_device *
__thermal_cooling_device_register(struct device_node *np,
- char *type, void *devdata,
+ const char *type, void *devdata,
const struct thermal_cooling_device_ops *ops)
{
struct thermal_cooling_device *cdev;
@@ -1015,7 +1015,7 @@ __thermal_cooling_device_register(struct device_node *np,
* ERR_PTR. Caller must check return value with IS_ERR*() helpers.
*/
struct thermal_cooling_device *
-thermal_cooling_device_register(char *type, void *devdata,
+thermal_cooling_device_register(const char *type, void *devdata,
const struct thermal_cooling_device_ops *ops)
{
return __thermal_cooling_device_register(NULL, type, devdata, ops);
@@ -1039,7 +1039,7 @@ EXPORT_SYMBOL_GPL(thermal_cooling_device_register);
*/
struct thermal_cooling_device *
thermal_of_cooling_device_register(struct device_node *np,
- char *type, void *devdata,
+ const char *type, void *devdata,
const struct thermal_cooling_device_ops *ops)
{
return __thermal_cooling_device_register(np, type, devdata, ops);
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 5f4705f46c2f..0f58fffee9a8 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -442,10 +442,10 @@ void thermal_zone_device_update(struct thermal_zone_device *,
enum thermal_notify_event);
void thermal_zone_set_trips(struct thermal_zone_device *);

-struct thermal_cooling_device *thermal_cooling_device_register(char *, void *,
- const struct thermal_cooling_device_ops *);
+struct thermal_cooling_device *thermal_cooling_device_register(const char *,
+ void *, const struct thermal_cooling_device_ops *);
struct thermal_cooling_device *
-thermal_of_cooling_device_register(struct device_node *np, char *, void *,
+thermal_of_cooling_device_register(struct device_node *np, const char *, void *,
const struct thermal_cooling_device_ops *);
void thermal_cooling_device_unregister(struct thermal_cooling_device *);
struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name);
@@ -496,12 +496,12 @@ static inline void thermal_zone_device_update(struct thermal_zone_device *tz,
static inline void thermal_zone_set_trips(struct thermal_zone_device *tz)
{ }
static inline struct thermal_cooling_device *
-thermal_cooling_device_register(char *type, void *devdata,
+thermal_cooling_device_register(const char *type, void *devdata,
const struct thermal_cooling_device_ops *ops)
{ return ERR_PTR(-ENODEV); }
static inline struct thermal_cooling_device *
-thermal_of_cooling_device_register(struct device_node *np,
- char *type, void *devdata, const struct thermal_cooling_device_ops *ops)
+thermal_of_cooling_device_register(struct device_node *np, const char *type,
+ void *devdata, const struct thermal_cooling_device_ops *ops)
{ return ERR_PTR(-ENODEV); }
static inline void thermal_cooling_device_unregister(
struct thermal_cooling_device *cdev)
--
2.21.0.1020.gf2820cf01a-goog
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