[RFC PATCH 2/3] arm: psci: enable PSCI on UP systems

From: Jisheng Zhang
Date: Sun Jul 05 2015 - 04:40:36 EST


This is to make calls like eg cpu_suspend can be made functional on UP too.

Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxxx>
---
arch/arm/kernel/Makefile | 5 +----
arch/arm/kernel/psci.c | 2 ++
2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index c57b2c0..2b1a60c 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -88,9 +88,6 @@ obj-$(CONFIG_DEBUG_LL) += debug.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o

obj-$(CONFIG_ARM_VIRT_EXT) += hyp-stub.o
-ifeq ($(CONFIG_ARM_PSCI),y)
-obj-y += psci-call.o
-obj-$(CONFIG_SMP) += psci.o
-endif
+obj-$(CONFIG_ARM_PSCI) += psci-call.o psci.o

extra-y := $(head-y) vmlinux.lds
diff --git a/arch/arm/kernel/psci.c b/arch/arm/kernel/psci.c
index 61c04b0..7f6ff02 100644
--- a/arch/arm/kernel/psci.c
+++ b/arch/arm/kernel/psci.c
@@ -47,6 +47,7 @@
*
*/

+#ifdef CONFIG_SMP
extern void secondary_startup(void);

static int psci_boot_secondary(unsigned int cpu, struct task_struct *idle)
@@ -128,3 +129,4 @@ struct smp_operations __initdata psci_smp_ops = {
.cpu_kill = psci_cpu_kill,
#endif
};
+#endif
--
2.1.4

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