From mboxrd@z Thu Jan  1 00:00:00 1970
From: Shinya Kuribayashi <skuribay@pobox.com>
Date: Tue, 29 Nov 2011 01:24:21 +0900
Subject: [U-Boot] [PATCH 05/11] MIPS: add sleep handler for slave CPUs
 in multi-processor systems
In-Reply-To: <1322143076-20349-6-git-send-email-daniel.schwierzeck@googlemail.com>
References: <1322143076-20349-1-git-send-email-daniel.schwierzeck@googlemail.com>
	<1322143076-20349-6-git-send-email-daniel.schwierzeck@googlemail.com>
Message-ID: <4ED3B5B5.5010205@pobox.com>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

On 11/24/11 10:57 PM, Daniel Schwierzeck wrote:
> diff --git a/arch/mips/cpu/mips32/start.S b/arch/mips/cpu/mips32/start.S
> index 9c1b2f7..b6cb4be 100644
> --- a/arch/mips/cpu/mips32/start.S
> +++ b/arch/mips/cpu/mips32/start.S
> @@ -224,6 +224,14 @@ reset:
>
>   	setup_c0_status_reset
>
> +	/* Set all slave CPUs in sleep mode */
> +#ifdef CONFIG_SYS_MPS_SLAVE_CPU_SLEEP
> +	mfc0	k0, CP0_EBASE
> +	and	k0, EBASEF_CPUNUM
> +	bne	k0, zero, slave_cpu_sleep
> +	 nop
> +#endif
> +
>   	/* Init Timer */
>   	mtc0	zero, CP0_COUNT
>   	mtc0	zero, CP0_COMPARE

Just wondered, why is this conditionally selected?  To save text size,
or other reason?

The change looks Ok with s/MPS/MIPS/ typo fixed as pointed by Andrew.