[Xen-devel] [PATCH v4 2/2] arm: prefer PSCI for SMP bringup

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

If PSCI initializes correctly and PSCI SMP operations are available, use them.
This is required for SMP support in Dom0 on Xen.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
CC: will.deacon@xxxxxxx
CC: arnd@xxxxxxxx
CC: marc.zyngier@xxxxxxx
CC: linux@xxxxxxxxxxxxxxxx
CC: nico@xxxxxxxxxx
---
 arch/arm/kernel/setup.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 341efaa..c7e50dd 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -770,10 +770,10 @@ void __init setup_arch(char **cmdline_p)
        psci_init();
 #ifdef CONFIG_SMP
        if (is_smp()) {
-               if (mdesc->smp)
-                       smp_set_ops(mdesc->smp);
-               else if (psci_smp_available())
+               if (psci_smp_available())
                        smp_set_ops(&psci_smp_ops);
+               else
+                       smp_set_ops(mdesc->smp);
                smp_init_cpus();
        }
 #endif
-- 
1.7.2.5


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