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Date:	Tue, 7 Oct 2014 13:10:54 +0200
From:	Pavel Machek <>
Subject: Re: [PATCH v2 1/2] socfpga: hotplug: put cpu1 in wfi

On Wed 2014-10-01 14:38:23, wrote:
> From: Alan Tull <>
> Use WFI when putting CPU1 to sleep.  Don't hold CPU1 in reset
> since that results in increased power consumption.
> Reset CPU1 briefly during CPU1 bootup.
> This has been tested for hotplug and suspend/resume and results
> in no increased power consumption.
> Signed-off-by: Alan Tull <>

It is nice to Cc people who commented ont the patch before.

>  	if (cpu1start_addr) {
> +		/* This will put CPU #1 into reset. */
> +		__raw_writel(RSTMGR_MPUMODRST_CPU1,
> +			     rst_manager_base_addr + SOCFPGA_RSTMGR_MODMPURST);
> +

I thought conclusion was to use writel (not __raw variant) here?

(cesky, pictures)
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