Re: [PATCH] tpm: remove extraneous #ifdef

From: Jarkko Sakkinen

Date: Thu Sep 17 2026 - 21:45:50 EST


On Fri, Sep 18, 2026 at 04:01:57AM +0300, Jarkko Sakkinen wrote:
> On Fri, Sep 18, 2026 at 03:58:11AM +0300, Jarkko Sakkinen wrote:
> > On Tue, Sep 15, 2026 at 10:12:58PM +0200, Arnd Bergmann wrote:
> > > From: Arnd Bergmann <arnd@xxxxxxxx>
> > >
> > > Changing to DEFINE_SIMPLE_DEV_PM_OPS() broke here because the
> > > tpm_inf_resume() function is hidden in an #ifdef:
> > >
> > > drivers/char/tpm/tpm_infineon.c:615:61: error: 'tpm_inf_resume' undeclared here (not in a function); did you mean 'tpm_pm_resume'?
> > > 615 | static DEFINE_SIMPLE_DEV_PM_OPS(tpm_inf_pm, tpm_pm_suspend, tpm_inf_resume);
> > > | ^~~~~~~~~~~~~~
> > >
> > > Remove the #ifdef check.
> > >
> > > Fixes: 2249200ee420 ("tpm: use DEFINE_SIMPLE_DEV_PM_OPS and pm_sleep_ptr()")
> > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> > > ---
> > > drivers/char/tpm/tpm_infineon.c | 3 +--
> > > 1 file changed, 1 insertion(+), 2 deletions(-)
> > >
> > > diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c
> > > index 84a0d3e5f679..d6edd2ca39a5 100644
> > > --- a/drivers/char/tpm/tpm_infineon.c
> > > +++ b/drivers/char/tpm/tpm_infineon.c
> > > @@ -594,7 +594,6 @@ static void tpm_inf_pnp_remove(struct pnp_dev *dev)
> > > }
> > > }
> > >
> > > -#ifdef CONFIG_PM_SLEEP
> > > static int tpm_inf_resume(struct device *dev)
> > > {
> > > /* Re-configure TPM after suspending */
> > > @@ -611,7 +610,7 @@ static int tpm_inf_resume(struct device *dev)
> > > tpm_data_out(RESET_LP_IRQC_DISABLE, CMD);
> > > return tpm_pm_resume(dev);
> > > }
> > > -#endif
> > > +
> > > static DEFINE_SIMPLE_DEV_PM_OPS(tpm_inf_pm, tpm_pm_suspend, tpm_inf_resume);
> > >
> > > static struct pnp_driver tpm_inf_pnp_driver = {
> > > --
> > > 2.53.0
> > >
> >
> >
> > Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
>
> I pushed this to for-next-tpm, which mirrors to linux-next.
>
> However, since this is -next only bug, I guess I should squash these to
> the original commit?
>
> Just sanity checking before taking action :-)

My suggestion would be to amend Co-authored-by to the original commit
message as two bug fixes is significant amount of effort to make the
change right.

BR, Jarkko