[PATCH 2/4] ARM: mvebu: Move SCU power up in a function

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Fri Oct 24 05:05:51 PDT 2014


Dear Gregory CLEMENT,

On Thu, 23 Oct 2014 20:14:28 +0200, Gregory CLEMENT wrote:

> +ENTRY(power_up_scu)
> +	mrc     p15, 4, r1, c15, c0	@ get SCU base address
> +	orr	r1, r1, #0x8		@ SCU CPU Power Status Register
> +	mrc	15, 0, r0, cr0, cr0, 5	@ get the CPU ID
> +	and	r0, r0, #15
> +	add	r1, r1, r0
> +	mov	r0, #0x0
> +	strb	r0, [r1]		@ switch SCU power state to Normal mode
> +	ret	lr
> +ENDPROC(power_up_scu)

Since this function is not static, I think it might be a good idea to
use a prefix that makes it more specific to the platform in order to
not pollute the global namespace. Maybe something like
'armada_38x_scu_power_up', or something like that.

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com



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