[RFC v4 5/5] platform/x86/intel/pmc: core: Report duration of time in HW sleep state

From: Mario Limonciello
Date: Thu Nov 17 2022 - 17:59:16 EST


intel_pmc_core displays a warning when the module parameter
`warn_on_s0ix_failures` is set and a suspend didn't get to a HW sleep
state.

Report this to the standard kernel reporting infrastructure that will
be used to display a percentage of time spent in a hw sleep state.

Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
RFC v3->v4:
* New patch
---
drivers/platform/x86/intel/pmc/core.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c
index 9baf2bb443c8..0e25348f1c2a 100644
--- a/drivers/platform/x86/intel/pmc/core.c
+++ b/drivers/platform/x86/intel/pmc/core.c
@@ -2094,6 +2094,8 @@ static inline bool pmc_core_is_s0ix_failed(struct pmc_dev *pmcdev)
if (pmc_core_dev_state_get(pmcdev, &s0ix_counter))
return false;

+ pm_set_hw_sleep_time(s0ix_counter - pmcdev->s0ix_counter);
+
if (s0ix_counter == pmcdev->s0ix_counter)
return true;

--
2.34.1