linux-kernel - RE: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume functions

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Message-ID: <5B8DA87D05A7694D9FA63FD143655C1B543C8D91@hasmsx108.ger.corp.intel.com>
Date:   Tue, 28 Mar 2017 06:15:56 +0000
From:   "Winkler, Tomas" <tomas.winkler@...el.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
CC:     Jérémy Lefaure <jeremy.lefaure@....epita.fr>,
        "tpmdd-devel@...ts.sourceforge.net" 
        <tpmdd-devel@...ts.sourceforge.net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "arnd@...db.de" <arnd@...db.de>
Subject: RE: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on
 suspend/resume functions



> 
> On Tue, Mar 21, 2017 at 10:05:36PM +0000, Winkler, Tomas wrote:
> > > On Thu, Mar 16, 2017 at 09:51:33PM -0400, Jérémy 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: ‘crb_pm_suspend’
> > > > defined but not used [-Wunused-function]  static int
> > > > crb_pm_suspend(struct device *dev)
> > > >             ^
> > > > drivers/char/tpm/tpm_crb.c:551:12: warning: ‘crb_pm_resume’
> > > > 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: Jérémy Lefaure <jeremy.lefaure@....epita.fr>
> > >
> > > Thanks. Please include also linux-kernel@...r.kernel.org in the future.
> > >
> > > Reviewed-by: Jarkko Saskkinen <jarkko.sakkinen@...ux.intel.com>
> >
> > 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