Hi, On 10/27/22 17:19, Sven van Ashbrook wrote: > The "failure to enter S0ix" warning is critically important for monitoring > and debugging power regressions, both in the field and in the test lab. > > Promote from lower-case warn() to upper-case WARN() so that it becomes > more prominent, and gets picked up as part of existing monitoring > infrastructure, which typically focuses on WARN() and ignores warn() > type log messages. > > Signed-off-by: Sven van Ashbrook <svenva@xxxxxxxxxxxx> WARN() is really only intended for internal kernel bugs and not for hw misbehaving, so I'm not a fan of the change you are suggesting here. Intel folks, do you have an opinion on this ? Regards, Hans > --- > Against v6.1-rc2 > > drivers/platform/x86/intel/pmc/core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c > index a1fe1e0dcf4a5..834f0352c0edf 100644 > --- a/drivers/platform/x86/intel/pmc/core.c > +++ b/drivers/platform/x86/intel/pmc/core.c > @@ -2125,7 +2125,7 @@ static __maybe_unused int pmc_core_resume(struct device *dev) > } > > /* The real interesting case - S0ix failed - lets ask PMC why. */ > - dev_warn(dev, "CPU did not enter SLP_S0!!! (S0ix cnt=%llu)\n", > + dev_WARN(dev, "CPU did not enter SLP_S0!!! (S0ix cnt=%llu)\n", > pmcdev->s0ix_counter); > if (pmcdev->map->slps0_dbg_maps) > pmc_core_slps0_display(pmcdev, dev, NULL);