[RFC 3/3] platform/x86/intel/pmc: core: Report duration of time in deepest HW state

[Mario Limonciello]

intel_pmc_core displays a warning when a suspend didn't get to the deepest
state.

This information is generally useful to userspace as well which may use
it to collect further debugging data. Report this to the standard kernel
reporting infrastructure that can be accessed from sysfs.

Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
 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 17ec5825d13d7..9e58228b01f91 100644
--- a/drivers/platform/x86/intel/pmc/core.c
+++ b/drivers/platform/x86/intel/pmc/core.c
@@ -2116,6 +2116,8 @@ static __maybe_unused int pmc_core_resume(struct device *dev)
 	if (!pmcdev->check_counters)
 		return 0;
 
+	pm_set_hw_deepest_state(pmcdev->s0ix_counter);
+
 	if (!pmc_core_is_s0ix_failed(pmcdev))
 		return 0;
 
-- 
2.34.1