On Tue, 11 Feb 2025, Kurt Borja wrote:
> On Tue Feb 11, 2025 at 12:36 PM -05, Mark Pearson wrote:
> > When reviewing and testing the recent platform profile changes I had
> > missed that they prevent the tpacpi platform driver from registering.
> > This error is seen in the kernel logs, and the various tpacpi entries
> > are not created:
> > [ 7550.642171] platform thinkpad_acpi: Resources present before probing
> >
> > This happens because devm_platform_profile_register() is called before
> > tpacpi_pdev probes (thanks to Kurt Borja for identifying root cause)
> >
> > For now revert back to the old platform_profile_register to fix the
> > issue. Will work on re-implementing this later as more testing is needed
> > for full solution.
Hi Mark,
I've applied this to the review-ilpo-branch. I had to rewrite parts of
your changelog though to not say "I did/will do this and that". In future,
please just state the simple facts. What the issue is and so on, do not
write a story about how you came to find that out. :-)
--
i.
> > Tested on X1 Carbon G12.
> >
> > Fixes: 31658c916fa6 ("platform/x86: thinkpad_acpi: Use devm_platform_profile_register()")
> >
> > Signed-off-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>
>
> I believe this is done now!
>
> Reviewed-by: Kurt Borja <kuurtb@xxxxxxxxx>
>
> > ---
> > Changes in v2:
> > Modified approach to instead revert to old platform_profile_register
> > method. Will revisit using devm_ version in the future as more testing
> > needed.
> > Changes in v3:
> > Add check if tpacpi_pprof is valid before releasing.
> >
> > drivers/platform/x86/thinkpad_acpi.c | 11 +++++++++--
> > 1 file changed, 9 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
> > index 1fcb0f99695a..9f6d7e26e700 100644
> > --- a/drivers/platform/x86/thinkpad_acpi.c
> > +++ b/drivers/platform/x86/thinkpad_acpi.c
> > @@ -10646,8 +10646,8 @@ static int tpacpi_dytc_profile_init(struct ibm_init_struct *iibm)
> > "DYTC version %d: thermal mode available\n", dytc_version);
> >
> > /* Create platform_profile structure and register */
> > - tpacpi_pprof = devm_platform_profile_register(&tpacpi_pdev->dev, "thinkpad-acpi",
> > - NULL, &dytc_profile_ops);
> > + tpacpi_pprof = platform_profile_register(&tpacpi_pdev->dev, "thinkpad-acpi-profile",
> > + NULL, &dytc_profile_ops);
> > /*
> > * If for some reason platform_profiles aren't enabled
> > * don't quit terminally.
> > @@ -10665,8 +10665,15 @@ static int tpacpi_dytc_profile_init(struct ibm_init_struct *iibm)
> > return 0;
> > }
> >
> > +static void dytc_profile_exit(void)
> > +{
> > + if (!IS_ERR_OR_NULL(tpacpi_pprof))
> > + platform_profile_remove(tpacpi_pprof);
> > +}
> > +
> > static struct ibm_struct dytc_profile_driver_data = {
> > .name = "dytc-profile",
> > + .exit = dytc_profile_exit,
> > };
> >
> > /*************************************************************************
>
