On Tue, Dec 16, 2014 at 7:13 PM, Brian Norris <[email protected]> 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: > > echo 0 > /sys/devices/system/cpu/cpu1/online > echo 1 > /sys/devices/system/cpu/cpu1/online > > whereas the existing sequence often locks up after a few hundred cycles. > > Fixes: 62639c2f5332 ("ARM: brcmstb: reintroduce SMP support") > Signed-off-by: Brian Norris <[email protected]>
Acked-by: Gregory Fong <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
