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Re: [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume functions

Started byJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
First post2017-03-21 09:10 +0100
Last post2017-03-28 09:40 +0200
Articles 5 — 2 participants

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  Re: [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume  functions Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-03-21 09:10 +0100
    RE: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on  suspend/resume functions "Winkler, Tomas" <tomas.winkler@intel.com> - 2017-03-21 23:10 +0100
      Re: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on  suspend/resume functions Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-03-23 17:00 +0100
        RE: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on  suspend/resume functions "Winkler, Tomas" <tomas.winkler@intel.com> - 2017-03-28 08:20 +0200
          Re: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on  suspend/resume functions Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-03-28 09:40 +0200

#1605392 — Re: [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume functions

FromJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Date2017-03-21 09:10 +0100
SubjectRe: [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume functions
Message-ID<tnn1E-xY-15@gated-at.bofh.it>
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@lse.epita.fr>

Thanks. Please include also linux-kernel@vger.kernel.org in the future.

Reviewed-by: Jarkko Saskkinen <jarkko.sakkinen@linux.intel.com>

/Jarkko

> ---
>  drivers/char/tpm/tpm_crb.c | 11 ++++-------
>  1 file changed, 4 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
> index 324561845dc2..044afb73fdeb 100644
> --- a/drivers/char/tpm/tpm_crb.c
> +++ b/drivers/char/tpm/tpm_crb.c
> @@ -520,8 +520,7 @@ static int crb_acpi_remove(struct acpi_device *device)
>  	return 0;
>  }
>  
> -#ifdef CONFIG_PM
> -static int crb_pm_runtime_suspend(struct device *dev)
> +static int __maybe_unused crb_pm_runtime_suspend(struct device *dev)
>  {
>  	struct tpm_chip *chip = dev_get_drvdata(dev);
>  	struct crb_priv *priv = dev_get_drvdata(&chip->dev);
> @@ -529,7 +528,7 @@ static int crb_pm_runtime_suspend(struct device *dev)
>  	return crb_go_idle(dev, priv);
>  }
>  
> -static int crb_pm_runtime_resume(struct device *dev)
> +static int __maybe_unused crb_pm_runtime_resume(struct device *dev)
>  {
>  	struct tpm_chip *chip = dev_get_drvdata(dev);
>  	struct crb_priv *priv = dev_get_drvdata(&chip->dev);
> @@ -537,7 +536,7 @@ static int crb_pm_runtime_resume(struct device *dev)
>  	return crb_cmd_ready(dev, priv);
>  }
>  
> -static int crb_pm_suspend(struct device *dev)
> +static int __maybe_unused crb_pm_suspend(struct device *dev)
>  {
>  	int ret;
>  
> @@ -548,7 +547,7 @@ static int crb_pm_suspend(struct device *dev)
>  	return crb_pm_runtime_suspend(dev);
>  }
>  
> -static int crb_pm_resume(struct device *dev)
> +static int __maybe_unused crb_pm_resume(struct device *dev)
>  {
>  	int ret;
>  
> @@ -559,8 +558,6 @@ static int crb_pm_resume(struct device *dev)
>  	return tpm_pm_resume(dev);
>  }
>  
> -#endif /* CONFIG_PM */
> -
>  static const struct dev_pm_ops crb_pm = {
>  	SET_SYSTEM_SLEEP_PM_OPS(crb_pm_suspend, crb_pm_resume)
>  	SET_RUNTIME_PM_OPS(crb_pm_runtime_suspend, crb_pm_runtime_resume, NULL)
> -- 
> 2.12.0
>

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#1606018 — RE: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume functions

From"Winkler, Tomas" <tomas.winkler@intel.com>
Date2017-03-21 23:10 +0100
SubjectRE: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume functions
Message-ID<tnA8x-18H-3@gated-at.bofh.it>
In reply to#1605392
> 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@lse.epita.fr>
> 
> Thanks. Please include also linux-kernel@vger.kernel.org in the future.
> 
> Reviewed-by: Jarkko Saskkinen <jarkko.sakkinen@linux.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


> > ---
> >  drivers/char/tpm/tpm_crb.c | 11 ++++-------
> >  1 file changed, 4 insertions(+), 7 deletions(-)
> >
> > diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
> > index 324561845dc2..044afb73fdeb 100644
> > --- a/drivers/char/tpm/tpm_crb.c
> > +++ b/drivers/char/tpm/tpm_crb.c
> > @@ -520,8 +520,7 @@ static int crb_acpi_remove(struct acpi_device
> *device)
> >  	return 0;
> >  }
> >
> > -#ifdef CONFIG_PM
> > -static int crb_pm_runtime_suspend(struct device *dev)
> > +static int __maybe_unused crb_pm_runtime_suspend(struct device *dev)
> >  {
> >  	struct tpm_chip *chip = dev_get_drvdata(dev);
> >  	struct crb_priv *priv = dev_get_drvdata(&chip->dev); @@ -529,7
> > +528,7 @@ static int crb_pm_runtime_suspend(struct device *dev)
> >  	return crb_go_idle(dev, priv);
> >  }
> >
> > -static int crb_pm_runtime_resume(struct device *dev)
> > +static int __maybe_unused crb_pm_runtime_resume(struct device *dev)
> >  {
> >  	struct tpm_chip *chip = dev_get_drvdata(dev);
> >  	struct crb_priv *priv = dev_get_drvdata(&chip->dev); @@ -537,7
> > +536,7 @@ static int crb_pm_runtime_resume(struct device *dev)
> >  	return crb_cmd_ready(dev, priv);
> >  }
> >
> > -static int crb_pm_suspend(struct device *dev)
> > +static int __maybe_unused crb_pm_suspend(struct device *dev)
> >  {
> >  	int ret;
> >
> > @@ -548,7 +547,7 @@ static int crb_pm_suspend(struct device *dev)
> >  	return crb_pm_runtime_suspend(dev);
> >  }
> >
> > -static int crb_pm_resume(struct device *dev)
> > +static int __maybe_unused crb_pm_resume(struct device *dev)
> >  {
> >  	int ret;
> >
> > @@ -559,8 +558,6 @@ static int crb_pm_resume(struct device *dev)
> >  	return tpm_pm_resume(dev);
> >  }
> >
> > -#endif /* CONFIG_PM */
> > -
> >  static const struct dev_pm_ops crb_pm = {
> >  	SET_SYSTEM_SLEEP_PM_OPS(crb_pm_suspend, crb_pm_resume)
> >  	SET_RUNTIME_PM_OPS(crb_pm_runtime_suspend,
> crb_pm_runtime_resume,
> > NULL)
> > --
> > 2.12.0
> >
> 
> ------------------------------------------------------------------------------
> Check out the vibrant tech community on one of the world's most engaging
> tech sites, Slashdot.org! http://sdm.link/slashdot
> _______________________________________________
> tpmdd-devel mailing list
> tpmdd-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/tpmdd-devel

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#1607650 — Re: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume functions

FromJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Date2017-03-23 17:00 +0100
SubjectRe: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume functions
Message-ID<todjA-4ib-29@gated-at.bofh.it>
In reply to#1606018
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@lse.epita.fr>
> > 
> > Thanks. Please include also linux-kernel@vger.kernel.org in the future.
> > 
> > Reviewed-by: Jarkko Saskkinen <jarkko.sakkinen@linux.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? [1]

[1] https://patchwork.kernel.org/patch/9633537/

/Jarkko

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#1610356 — RE: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume functions

From"Winkler, Tomas" <tomas.winkler@intel.com>
Date2017-03-28 08:20 +0200
SubjectRE: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume functions
Message-ID<tpSE2-3sW-11@gated-at.bofh.it>
In reply to#1607650

> 
> 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@lse.epita.fr>
> > >
> > > Thanks. Please include also linux-kernel@vger.kernel.org in the future.
> > >
> > > Reviewed-by: Jarkko Saskkinen <jarkko.sakkinen@linux.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

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#1610381 — Re: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume functions

FromJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Date2017-03-28 09:40 +0200
SubjectRe: [tpmdd-devel] [PATCH] tpm/tpm_crb: fix unused warnings on suspend/resume functions
Message-ID<tpTTr-4eY-1@gated-at.bofh.it>
In reply to#1610356
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, 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@lse.epita.fr>
> > > >
> > > > Thanks. Please include also linux-kernel@vger.kernel.org in the future.
> > > >
> > > > Reviewed-by: Jarkko Saskkinen <jarkko.sakkinen@linux.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

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

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