[PATCH 2/4] arm: psci: enable PSCI on UP systems
Jisheng Zhang
jszhang at marvell.com
Wed Jul 8 03:13:35 PDT 2015
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 at marvell.com>
---
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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