[PATCH v2 1/2] socfpga: hotplug: put cpu1 in wfi

Pavel Machek
2014-10-07T11:10:54Z

On Wed 2014-10-01 14:38:23, atull at opensource.altera.com wrote:
> From: Alan Tull <atull@opensource.altera.com>
>
> 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 <atull@opensource.altera.com>

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?

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