Re: [PATCH] ARM: brcmstb: update CPU power management sequence

2015-01-12 Thread Florian Fainelli
On 17/12/14 15:25, Gregory Fong wrote: > On Tue, Dec 16, 2014 at 7:13 PM, Brian Norris > wrote: >> The automatic CPU power state machine for B15 CPUs does not work >> reliably as-is. This patch implements a manual sequence in software to >> replace it. >> >> This was tested successfully with over

Re: [PATCH] ARM: brcmstb: update CPU power management sequence

2014-12-17 Thread Gregory Fong
On Tue, Dec 16, 2014 at 7:13 PM, Brian Norris wrote: > The automatic CPU power state machine for B15 CPUs does not work > reliably as-is. This patch implements a manual sequence in software to > replace it. > > This was tested successfully with over 10,000 hotplug cycles of > something like this:

[PATCH] ARM: brcmstb: update CPU power management sequence

2014-12-16 Thread Brian Norris
The automatic CPU power state machine for B15 CPUs does not work reliably as-is. This patch implements a manual sequence in software to replace it. This was tested successfully with over 10,000 hotplug cycles of something like this: echo 0 > /sys/devices/system/cpu/cpu1/online echo 1 > /sys/d