Messages in this thread Patch in this message | | | From | Oleksij Rempel <> | Subject | [PATCH v2 7/8] regulator: set Power State Change Reason before hw_protection_shutdown() | Date | Wed, 24 Jan 2024 13:22:03 +0100 |
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Store the state change reason to some black box, for later investigation.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Reviewed-by: Mark Brown <broonie@kernel.org> --- drivers/regulator/core.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index a968dabb48f5..a811a5ff2273 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -19,6 +19,7 @@ #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/of.h> +#include <linux/pscrr.h> #include <linux/reboot.h> #include <linux/regmap.h> #include <linux/regulator/of_regulator.h> @@ -5095,6 +5096,7 @@ EXPORT_SYMBOL_GPL(regulator_bulk_free); static void regulator_handle_critical(struct regulator_dev *rdev, unsigned long event) { + enum pscr pscr; const char *reason = NULL; if (!rdev->constraints->system_critical) @@ -5103,17 +5105,21 @@ static void regulator_handle_critical(struct regulator_dev *rdev, switch (event) { case REGULATOR_EVENT_UNDER_VOLTAGE: reason = "System critical regulator: voltage drop detected"; + pscr = PSCR_UNDER_VOLTAGE; break; case REGULATOR_EVENT_OVER_CURRENT: reason = "System critical regulator: over-current detected"; + pscr = PSCR_OVER_CURRENT; break; case REGULATOR_EVENT_FAIL: reason = "System critical regulator: unknown error"; + pscr = PSCR_REGULATOR_FAILURE; } if (!reason) return; + set_power_state_change_reason(pscr); hw_protection_shutdown(reason, rdev->constraints->uv_less_critical_window_ms); } -- 2.39.2
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