linux-kernel - Re: [PATCH 05/16] blackfin idle: delete pm

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Message-ID: <1759773.UdmLmFNAfS@vostro.rjw.lan>
Date:	Wed, 20 Feb 2013 20:59:39 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Lars-Peter Clausen <lars@...afoo.de>
Cc:	Len Brown <lenb@...nel.org>, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, Len Brown <len.brown@...el.com>,
	uclinux-dist-devel@...ckfin.uclinux.org
Subject: Re: [PATCH 05/16] blackfin idle: delete pm_idle

On Wednesday, February 20, 2013 08:53:38 PM Lars-Peter Clausen wrote:
> On 02/20/2013 08:52 PM, Rafael J. Wysocki wrote:
> > On Monday, February 18, 2013 05:28:19 PM Lars-Peter Clausen wrote:
> >> On 02/10/2013 06:58 AM, Len Brown wrote:
> >>> From: Len Brown <len.brown@...el.com>
> >>>
> >>> pm_idle is dead code on blackfin.
> >>>
> >>> Signed-off-by: Len Brown <len.brown@...el.com>
> >>> Cc: uclinux-dist-devel@...ckfin.uclinux.org
> >>> ---
> >>>  arch/blackfin/kernel/process.c | 7 -------
> >>>  1 file changed, 7 deletions(-)
> >>>
> >>> diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
> >>> index 3e16ad9..8061426 100644
> >>> --- a/arch/blackfin/kernel/process.c
> >>> +++ b/arch/blackfin/kernel/process.c
> >>> @@ -39,12 +39,6 @@ int nr_l1stack_tasks;
> >>>  void *l1_stack_base;
> >>>  unsigned long l1_stack_len;
> >>>  
> >>> -/*
> >>> - * Powermanagement idle function, if any..
> >>> - */
> >>> -void (*pm_idle)(void) = NULL;
> >>> -EXPORT_SYMBOL(pm_idle);
> >>> -
> >>>  void (*pm_power_off)(void) = NULL;
> >>>  EXPORT_SYMBOL(pm_power_off);
> >>>  
> >>> @@ -81,7 +75,6 @@ void cpu_idle(void)
> >>>  {
> >>>  	/* endless idle loop with no priority at all */
> >>>  	while (1) {
> >>> -		void (*idle)(void) = pm_idle;
> >>
> >> Hi,
> >>
> >> This results in the following error:
> >>
> >> arch/blackfin/kernel/process.c: In function ‘cpu_idle’:
> >> arch/blackfin/kernel/process.c:83: error: ‘idle’ undeclared (first use in
> >> this function)
> >> arch/blackfin/kernel/process.c:83: error: (Each undeclared identifier is
> >> reported only once
> >> arch/blackfin/kernel/process.c:83: error: for each function it appears in.)
> >> arch/blackfin/kernel/process.c:88: error: implicit declaration of function
> >> ‘idle’
> >>
> >>
> >> This change on top of your patch, fixes it.
> > 
> > Lars, I need your sign-off for the patch below.  May I add it?
> > 
> > Rafael
> 
> Sure, I didn't realize the patches had already been merged, otherwise I'd have
> sent a proper patch.

Please do now, if you can.  Sorry for the trouble.

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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