linux-kernel - Re: [PATCH] ACPI: fix the wrong #ifdef for acpi_no_s4_hw

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Message-ID: <20121016051718.GG1965@yliu-dev.sh.intel.com>
Date:	Tue, 16 Oct 2012 13:17:18 +0800
From:	Yuanhan Liu <yuanhan.liu@...ux.intel.com>
To:	Fengguang Wu <fengguang.wu@...el.com>
Cc:	lenb@...nel.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ACPI: fix the wrong #ifdef for acpi_no_s4_hw_signature

On Tue, Oct 16, 2012 at 12:27:13PM +0800, Fengguang Wu wrote:
> The title could be made more descriptive:
> 
> ACPI: move acpi_no_s4_hw_signature() declaration into #ifdef CONFIG_HIBERNATION

Yes, much better.
> 
> On Tue, Oct 16, 2012 at 12:05:03PM +0800, Yuanhan Liu wrote:
> > acpi_no_s4_hw_signature is defined in #ifdef CONFIG_HIBERNATION block,
> > but the current code put the declare in #ifdef CONFIG_PM_SLEEP block.
>  
> And it's better to always include the original build error/warning
> messages when fixing build problems.

Got it. Will send out v2 soon.

Thanks,
Yuanhan Liu

> 
> Otherwise looks good to me.
> 
> Reviewed-by: Fengguang Wu <fengguang.wu@...el.com>
> 
> > Signed-off-by: Yuanhan Liu <yuanhan.liu@...ux.intel.com>
> > ---
> >  include/linux/acpi.h |    5 ++++-
> >  1 files changed, 4 insertions(+), 1 deletions(-)
> > 
> > diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> > index 90be989..a468429 100644
> > --- a/include/linux/acpi.h
> > +++ b/include/linux/acpi.h
> > @@ -257,8 +257,11 @@ int acpi_check_region(resource_size_t start, resource_size_t n,
> >  
> >  int acpi_resources_are_enforced(void);
> >  
> > -#ifdef CONFIG_PM_SLEEP
> > +#ifdef CONFIG_HIBERNATION
> >  void __init acpi_no_s4_hw_signature(void);
> > +#endif
> > +
> > +#ifdef CONFIG_PM_SLEEP
> >  void __init acpi_old_suspend_ordering(void);
> >  void __init acpi_nvs_nosave(void);
> >  #endif /* CONFIG_PM_SLEEP */
> > -- 
> > 1.7.7.6
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