[U-Boot] [PATCH 05/11] MIPS: add sleep handler for slave CPUs in multi-processor systems

[Shinya Kuribayashi]

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.