Re: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume functions
From: Jarkko Sakkinen
Date: Tue Mar 28 2017 - 03:35:54 EST
On Tue, Mar 28, 2017 at 06:15:56AM +0000, Winkler, Tomas wrote:
>
>
> >
> > On Tue, Mar 21, 2017 at 10:05:36PM +0000, Winkler, Tomas wrote:
> > > > On Thu, Mar 16, 2017 at 09:51:33PM -0400, JÃrÃmy Lefaure wrote:
> > > > > When PM_SLEEP is disabled crb_pm_suspend and crb_pm_resume are
> > not
> > > > > used by SET_SYSTEM_SLEEP_PM_OPS even if PM is enabled:
> > > > >
> > > > > drvers/char/tpm/tpm_crb.c:540:12: warning: âcrb_pm_suspendâ
> > > > > defined but not used [-Wunused-function] static int
> > > > > crb_pm_suspend(struct device *dev)
> > > > > ^
> > > > > drivers/char/tpm/tpm_crb.c:551:12: warning: âcrb_pm_resumeâ
> > > > > defined but not used [-Wunused-function] static int
> > > > > crb_pm_resume(struct device *dev)
> > > > > ^
> > > > >
> > > > > The preprocessor condition should be on CONFIG_PM_SLEEP, not on
> > > > CONFIG_PM.
> > > > > However, this patch fixes this warning by using __maybe_unused on
> > > > > function that are in the preprocessor condition.
> > > > >
> > > > > Signed-off-by: JÃrÃmy Lefaure <jeremy.lefaure@xxxxxxxxxxxx>
> > > >
> > > > Thanks. Please include also linux-kernel@xxxxxxxxxxxxxxx in the future.
> > > >
> > > > Reviewed-by: Jarkko Saskkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
> > >
> > > We should go with Arnd's patch, which is actually the same, but it
> > > was already reviewed and has better commit messages.
> > > Thanks
> > > Tomas
> >
> > You are right about the commit message but where are the Reviewed-by tags?
>
> Please add mine.
>
> > [1]
> >
> > [1] https://patchwork.kernel.org/patch/9633537/
> >
> Tomas
I'll keep the existing patch at this point as I do not have time to
go through test cycle for another patch. I'm sorry but this came too
late.
/Jarkko