[PATCH v4 2/2] arm: prefer PSCI for SMP bringup
Stefano Stabellini
stefano.stabellini at eu.citrix.com
Fri Mar 29 12:42:50 EDT 2013
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 at eu.citrix.com>
CC: will.deacon at arm.com
CC: arnd at arndb.de
CC: marc.zyngier at arm.com
CC: linux at arm.linux.org.uk
CC: nico at linaro.org
---
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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