linux-kernel - Re: [rft] Kill junk from s2ram resume paths

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Message-Id: <200707311703.44096.rjw@sisk.pl>
Date:	Tue, 31 Jul 2007 17:03:43 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Stefan Seyfried <seife@...e.de>
Cc:	Pavel Machek <pavel@....cz>, suspend-devel@...ts.sourceforge.net,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [rft] Kill junk from s2ram resume paths

On Tuesday, 31 July 2007 16:43, Stefan Seyfried wrote:
> On Tue, Jul 31, 2007 at 04:01:40PM +0200, Pavel Machek wrote:
> > Hi!
> > 
> > > > > >  # Running in *copy* of this code, somewhere in low 1MB.
> > > > > >  
> > > > > > -	movb	$0xa1, %al	;  outb %al, $0x80
> > > > > 
> > > > > Well, what was this for?
> > > > 
> > > > Debugging leds on port 80. I still have that card somewhere
> > > > :-). Interesting parties can reinsert it.
> > > 
> > > Ah, I see.
> > > 
> > > Hmm, can you please write about that in the chanelog more explicitly?
> > > Or just comment it out with a "uncomment this to get ..." text?
> > 
> > I still need someone with x86-64 to test it for me before I submit it
> > properly ;-). Updated patch follows.
> 
> Compiling right now.
> 
> > 								Pavel
> > 
> > diff --git a/arch/i386/kernel/acpi/wakeup.S b/arch/i386/kernel/acpi/wakeup.S
> > index 1415da1..9cebef7 100644
> > --- a/arch/i386/kernel/acpi/wakeup.S
> > +++ b/arch/i386/kernel/acpi/wakeup.S
> > @@ -28,21 +28,6 @@ #define BEEP \
> >  	movb	$15, %al; 	\
> >  	outb	%al, $66;
> >  
> > -#define BEEP \
> > -	inb	$97, %al; 	\
> > -	outb	%al, $0x80; 	\
> > -	movb	$3, %al; 	\
> > -	outb	%al, $97; 	\
> > -	outb	%al, $0x80; 	\
> > -	movb	$-74, %al; 	\
> > -	outb	%al, $67; 	\
> > -	outb	%al, $0x80; 	\
> > -	movb	$-119, %al; 	\
> > -	outb	%al, $66; 	\
> > -	outb	%al, $0x80; 	\
> > -	movb	$15, %al; 	\
> > -	outb	%al, $66;
> > -
> >  ALIGN
> >  	.align	4096
> >  ENTRY(wakeup_start)
> 
> This hunk rejected for me (against 2.6.23-rc1), but i'm testing x86_64, so
> it did not matter ;-)

I think it's gone in favor of the more sophisticated beeping support.
-
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