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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Lucas Stach <dev@lynxeye.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] arm: properly init alignment trap bit
Date: Sat, 11 May 2013 17:46:26 +0200	[thread overview]
Message-ID: <20130511154626.GS32299@pengutronix.de> (raw)
In-Reply-To: <1368210589-21434-1-git-send-email-dev@lynxeye.de>

On Fri, May 10, 2013 at 08:29:49PM +0200, Lucas Stach wrote:
> On ARMv7 the intention is to disable the alignment trap to be able to
> use hardware assisted unaligned load/stores. Fix the init to do the
> right thing.
> 
> Signed-off-by: Lucas Stach <dev@lynxeye.de>

Applied, thanks.

Although this fixes a bug I applied it to -next for now since this was
around for longer and everything appeared to work.
(Though I really wonder how this could ever work)

Sascha

> ---
>  arch/arm/include/asm/barebox-arm-head.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/include/asm/barebox-arm-head.h b/arch/arm/include/asm/barebox-arm-head.h
> index 9385415..9a8cc87 100644
> --- a/arch/arm/include/asm/barebox-arm-head.h
> +++ b/arch/arm/include/asm/barebox-arm-head.h
> @@ -22,7 +22,7 @@ static inline void arm_cpu_lowlevel_init(void)
>  
>  #if __LINUX_ARM_ARCH__ >= 6
>  	r |= CR_U;
> -	r &= CR_A;
> +	r &= ~CR_A;
>  #else
>  	r |= CR_A;
>  #endif
> -- 
> 1.8.1.4
> 
> 
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
> 

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      reply	other threads:[~2013-05-11 15:46 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-10 18:29 Lucas Stach
2013-05-11 15:46 ` Sascha Hauer [this message]

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