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

atull
2014-10-07T14:19:00Z

On Tue, 7 Oct 2014, Pavel Machek wrote:

> 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.

HI Pavel,

OK, adding you and others who commented.

>
> > 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?

Yes it was. Fixed in v3, soon.

Alan

>
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