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[2/4] arm: psci: enable PSCI on UP systems

Message ID 1436350417-6712-3-git-send-email-jszhang@marvell.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jisheng Zhang July 8, 2015, 10:13 a.m. UTC 
The PSCI can work on both SMP and UP. Now We'd like to enable PSCI
features on UP systems. This is to prepare for next commit to implement
cpuidle_ops with PSCI functions.

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

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