Re: [PATCH v6 2/3] ARM: rockchip: ensure CPU to enter WFI/WFE state

2015-06-09 Thread Kever Yang
Hi Caesar, On 06/09/2015 05:49 PM, Caesar Wang 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

Re: [PATCH v6 2/3] ARM: rockchip: ensure CPU to enter WFI/WFE state

2015-06-09 Thread Doug Anderson
Caesar, On Tue, Jun 9, 2015 at 2:49 AM, Caesar Wang 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'

[PATCH v6 2/3] ARM: rockchip: ensure CPU to enter WFI/WFE state

2015-06-09 Thread Caesar Wang
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 (hardwar