[PATCH v9 1/2] arm: introduce psci_smp_ops

[Stefano Stabellini]

Russell,
are you OK with this series now?

Olof, Arnd,
when you merge this series don't forget to include this fix from Stephen
Rothwell:

http://marc.info/?l=linux-arm-kernel&m=136722292031420&w=2


On Mon, 29 Apr 2013, Will Deacon wrote:
> On Sun, Apr 28, 2013 at 03:50:49PM +0100, Stefano Stabellini wrote:
> > Rename virt_smp_ops to psci_smp_ops and move them to arch/arm/kernel/psci_smp.c.
> > Remove mach-virt/platsmp.c, now unused.
> > Compile psci_smp if CONFIG_ARM_PSCI and CONFIG_SMP.
> > 
> > Add a cpu_die smp_op based on psci_ops.cpu_off.
> > 
> > Initialize PSCI before setting smp_ops in setup_arch.
> > 
> > If PSCI is available on the platform, prefer psci_smp_ops over the
> > platform smp_ops.
> > 
> > Changes in v9:
> > - move comment about PSCI interface from psci.h to psci_smp.c.
> > 
> > Changes in v8:
> > - merge "prefer psci_smp_ops over mdesc->smp" into this patch.
> > 
> > Changes in v6:
> > - fixed return values for psci_smp_available and psci_init ifndef
> > CONFIG_ARM_PSCI.
> > 
> > Changes in v5:
> > - document psci_operations;
> > - psci_init returns NULL.
> > 
> > Signed-off-by: Stefano Stabellini <stefano.stabellini at eu.citrix.com>
> > CC: Nicolas Pitre <nico at linaro.org>
> > CC: Rob Herring <rob.herring at calxeda.com>
> > CC: Will Deacon <will.deacon at arm.com>
> > CC: arnd at arndb.de
> > CC: marc.zyngier at arm.com
> > CC: linux at arm.linux.org.uk
> 
> 
> Acked-by: Will Deacon <will.deacon at arm.com>