linux-kernel - Re[2]: [PATCH 12/17] ARM clps711x: Simple optimise debug

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Message-Id: <E1SLXu2-0004zV-VD.shc_work-mail-ru@f280.mail.ru>
Date:	Sat, 21 Apr 2012 14:50:54 +0400
From:	Alexander Shiyan <shc_work@...l.ru>
To:	Russell King - ARM Linux 
	<linux@....linux.org.uk>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re[2]: [PATCH 12/17] ARM clps711x: Simple optimise debug_macro by removing one NOP

Sat, 21 Apr 2012 11:46:27 +0100 от Russell King - ARM Linux <linux@....linux.org.uk>:
> On Sat, Apr 21, 2012 at 01:11:25PM +0400, Alexander Shiyan wrote:
> > 
> > Signed-off-by: Alexander Shiyan <shc_work@...l.ru>
> > ---
> >  arch/arm/mach-clps711x/include/mach/debug-macro.S |    6 ++----
> >  1 files changed, 2 insertions(+), 4 deletions(-)
> > 
> > diff --git a/arch/arm/mach-clps711x/include/mach/debug-macro.S b/arch/arm/mach-clps711x/include/mach/debug-macro.S
> > index 118b3d9..37c4d8a 100644
> > --- a/arch/arm/mach-clps711x/include/mach/debug-macro.S
> > +++ b/arch/arm/mach-clps711x/include/mach/debug-macro.S
> > @@ -14,10 +14,8 @@
> >  #include <mach/hardware.h>
> >  
> >  		.macro	addruart, rp, rv, tmp
> > -#ifndef CONFIG_DEBUG_CLPS711X_UART2
> > -		mov	\rp, #0x0000	@ UART1
> > -#else
> > -		mov	\rp, #0x1000	@ UART2
> > +#ifdef CONFIG_DEBUG_CLPS711X_UART2
> > +		mov	\rp, #0x1000	@ Add offset for UART2 base reg
> >  #endif
> 
> This looks wrong.  How is rp initialized if CONFIG_DEBUG_CLPS711X_UART2 is
> not set?
You are right. My mistake.