[PATCH v6 2/3] ARM: rockchip: ensure CPU to enter WFI/WFE state
dianders at chromium.org
Tue Jun 9 11:13:19 PDT 2015
On Tue, Jun 9, 2015 at 2:49 AM, Caesar Wang <wxt at rock-chips.com> wrote:
> The patch can ensure that v7_exit_coherency_flush() in rockchip_cpu_die()
> executed in time.
> The mdelay(1) has enough time to fix the problem of CPU offlining.
> That's a workaround way in rockchip hotplug code,
> At least, we haven't a better way to solve it. Who know,
> that maybe fixed by chip (hardware) in the future.
> Signed-off-by: Caesar Wang <wxt at rock-chips.com>
> Changes in v6:
> - Fix the delay 1ms describing.
> Series-changes: 5
> - Fix the patch decription.
> - Add the changelog.
> Series-changes: 2
> - As Kever points out, Fix the subject typo WFI/WFE.
> arch/arm/mach-rockchip/platsmp.c | 7 +++++++
> 1 file changed, 7 insertions(+)
Reviewed-by: Douglas Anderson <dianders at chromium.org>
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