[thermal: thermal/next] thermal/of: Make new code and old code co-exist

thermal-bot for Daniel Lezcano
2022-08-23T16:22:52Z

The following commit has been merged into the thermal/next branch of thermal:

Commit-ID: 48ad3b104b9ec85de58c2b4e38fdad9a26446f99
Gitweb: https://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux.git//48ad3b104b9ec85de58c2b4e38fdad9a26446f99
Author: Daniel Lezcano <daniel.lezcano@linexp.org>
AuthorDate: Fri, 05 Aug 2022 00:43:18 +02:00
Committer: Daniel Lezcano <daniel.lezcano@linaro.org>
CommitterDate: Wed, 17 Aug 2022 14:09:37 +02:00

thermal/of: Make new code and old code co-exist

This transient change allows to use old and new OF together until all
the drivers are converted to use the new OF API.

This will go away when the old OF code will be removed.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220804224349.1926752-3-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
drivers/thermal/thermal_core.c | 6 ------
drivers/thermal/thermal_of.c | 13 +++++++++++--
2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 50d50ce..69447ab 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -1492,10 +1492,6 @@ static int __init thermal_init(void)
if (result)
goto unregister_governors;

- result = of_parse_thermal_zones();
- if (result)
- goto unregister_class;
-
result = register_pm_notifier(&thermal_pm_nb);
if (result)
pr_warn("Thermal: Can not register suspend notifier, return %d\n",
@@ -1503,8 +1499,6 @@ static int __init thermal_init(void)

return 0;

-unregister_class:
- class_unregister(&thermal_class);
unregister_governors:
thermal_unregister_governors();
error:
diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c
index c5cbe25..a17087c 100644
--- a/drivers/thermal/thermal_of.c
+++ b/drivers/thermal/thermal_of.c
@@ -485,6 +485,15 @@ thermal_zone_of_sensor_register(struct device *dev, int sensor_id, void *data,
{
struct device_node *np, *child, *sensor_np;
struct thermal_zone_device *tzd = ERR_PTR(-ENODEV);
+ static int old_tz_initialized;
+ int ret;
+
+ if (!old_tz_initialized) {
+ ret = of_parse_thermal_zones();
+ if (ret)
+ return ERR_PTR(ret);
+ old_tz_initialized = 1;
+ }

np = of_find_node_by_name(NULL, "thermal-zones");
if (!np)
@@ -1004,7 +1013,7 @@ free_tz:
return ERR_PTR(ret);
}

-static __init void of_thermal_free_zone(struct __thermal_zone *tz)
+static void of_thermal_free_zone(struct __thermal_zone *tz)
{
struct __thermal_bind_params *tbp;
int i, j;
@@ -1523,7 +1532,7 @@ EXPORT_SYMBOL_GPL(devm_thermal_of_zone_unregister);
* Return: 0 on success, proper error code otherwise
*
*/
-int __init of_parse_thermal_zones(void)
+int of_parse_thermal_zones(void)
{
struct device_node *np, *child;
struct __thermal_zone *tz;