On Wed, 12 Apr 2023, Mario Limonciello wrote: > 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 so that > userspace software can query after the suspend cycle is done. > > Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> > --- > v7->v8: > * Report max sleep as well > --- > drivers/platform/x86/intel/pmc/core.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c > index 925c5d676a43..f9677104353d 100644 > --- a/drivers/platform/x86/intel/pmc/core.c > +++ b/drivers/platform/x86/intel/pmc/core.c > @@ -1153,6 +1153,7 @@ static int pmc_core_probe(struct platform_device *pdev) > pmc_core_do_dmi_quirks(pmcdev); > > pmc_core_dbgfs_register(pmcdev); > + pm_report_max_hw_sleep(((1UL << 32) - 1) * pmc_core_adjust_slp_s0_step(pmcdev, 1)); Technically this is FIELD_MAX(SLP_S0_RES_COUNTER_MASK) * pmc_core_adjust...? Where the define is: #define SLP_S0_RES_COUNTER_MASK GENMASK(31, 0) > > device_initialized = true; > dev_info(&pdev->dev, " initialized\n"); > @@ -1214,6 +1215,8 @@ static inline bool pmc_core_is_s0ix_failed(struct pmc_dev *pmcdev) > if (pmc_core_dev_state_get(pmcdev, &s0ix_counter)) > return false; > > + pm_report_hw_sleep_time((u32)(s0ix_counter - pmcdev->s0ix_counter)); > + > if (s0ix_counter == pmcdev->s0ix_counter) > return true; > > -- i.
