[RFC PATCH v1 7/7] thermal: core: set Power State Change Reason before hw_protection_shutdown()

From: Oleksij Rempel
Date: Fri Jan 19 2024 - 08:26:01 EST


Store the state change reason to some black box for later investigation.

Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
---
drivers/thermal/thermal_core.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 9c17d35ccbbd..5ee3a59d7a0e 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -16,6 +16,7 @@
#include <linux/kdev_t.h>
#include <linux/idr.h>
#include <linux/thermal.h>
+#include <linux/pscr.h>
#include <linux/reboot.h>
#include <linux/string.h>
#include <linux/of.h>
@@ -325,6 +326,7 @@ void thermal_zone_device_critical(struct thermal_zone_device *tz)
dev_emerg(&tz->device, "%s: critical temperature reached, "
"shutting down\n", tz->type);

+ set_power_state_change_reason(PSCR_OVERTEMPERATURE);
hw_protection_shutdown("Temperature too high", poweroff_delay_ms);
}
EXPORT_SYMBOL(thermal_zone_device_critical);
--
2.39.2